5Hp 120Amp High Powered Outback Battery Charger Without Digital Amp meter PROUDLY MADE IN AUSTRALIA The Outback Battery Charger is the fastest possible way to charge flat batteries whilst camping in remote. House current is 120V AC, so switch your multi-meter to 200V AC. This may seem strange, but the current needed to recharge the battery would not flow at all if the charging system's output voltage was the same as the battery voltage. Alternator Quick Test It's not an accurate test, but this will let you know if your alternator is working properly. Put the ohm meter on the old and new replacement diodes and got the same results when doing a continuity test; current. This is why there is never a switch or relay between alternator output and the battery positive common point. New Wassell 16 amp stator arrived. Finally busted out my shop manual on CD and looked up troubleshooting for the meter. If your battery's voltage is falling and continues to fall, there may be a break or fuse blown that's preventing the alternator from charging your battery. In alternator test mode, the BLUE, 0-100 AMP scale at the upper meter is the one we are reading. So the final output voltage of the bike generator car alternator would be 14. The truck is a 2006 GMC 2500HD SLT Duramax with 147K miles. 5v or higher is the desired target without load, because with load I would expect that voltage to drop too. Because of this, Basner told us that the 8-67140 alternator is perfect for any pre-1994 Ford with increased power demands. Plug this tool into the cigarette lighter port to quickly test your vehicle’s charging system. Testing your 'Stang's alternator is a quick and. 04 volts less. Test/Repair A Bad Alternator. You would have to test the output with a meter for that. Take the negative lead of the multimeter and put it on the negative post of the battery. The mechanic may use a volt meter to check the voltage output and an amp meter to measure the amperage output of the alternator during testing. Don’t throw your ripple meter away. How to test car battery for dead cells. You can test your portable generator's output with a hand-held voltmeter. Without an inline or clamp on amp meter, it will be tough to see just what everything is drawing, either by item or total. Mostly I would like to be able to check alternator output and starter draw. With a meter which reads frequency, I am able to accurately tell rpm. The reading is near the maximum amperes you made a note of earlier. Meter should read 0 Ohms (maximum continuity). A 200A alternator of the same model is a direct swap out. Does anyone know how to test the 35 amp alternator to see what it is putting out for AC voltage. 273's idea of using a discharged battery as the load is clever. Many stores do not have a proper load test to correctly check an alternator. The bench tester will check the alternator’s voltage and current output, and also look for “ripple voltage” or alternating current leakage that would indicate bad diodes inside the alternator. The most common dial range for an amp meter to be used in an MG with a generator would be -30 to +30 amps (with 0 in the center). Voltage regulators are commonly found in vehicles and other electronic equipment. Even worst-case, with all. Again, that was only an example, use the ratings of your amp to figure that out. If you are looking to test for amperage draw (parasitic draw) - testing amps in series - we cover that process in another guide. How do you. Taking the alternator in to a parts house may not catch this problem, as some machines will simply test to see if the alternator will output a charge, a better machine would detect this problem, so be sure to ask the parts folks, if they don't know, then go ahead and ask for another alternator, especially if yours has a lifetime warranty. Put a multi-meter on your battery and run your engine on high idle, do not allow your alternator to charge the battery much over 16 volts. When testing a DC circuit, reverse the multimeter leads and the sign will go from positive To find the alternator output terminal. A typical alternator will have two sets of wire: the control side, which is usually composed of multiple small wires wrapped up in electrical tape coming from the engine harness and the bigger wire going directly to the positive post of the battery. Hi: I am new to the ST1100 world. Chart 2 – No Alternator Output – Test Charging Circuit STATIC TEST – ENGINE OFF, BATTERY SWITCH ON, KEY ON. The volt meter tells you nothing about the state of the battery. Set the variac output zero. The boat is a 16 foot with a 50 HP Johnson. 7 volts on a good battery. Run the engine at its maximum throttle while observing the charging DC amperage output on your meter. How to Test a Diode using a Digital Multimeter. Is there a way to test the output at home without blowing up my meter? The generator has two posts on it. It only takes a few minutes. We all know that a battery that demands a lot from the alternator's output current constantly can burn it out. can i check truck alternator amp out put with 10 amp meter, check alternator output on john deere 160, checking voltage on battery and alernator, checkingtractoralternator, how to check john deer alternator, troubleshoot a john deere 820 tractor diesel will not shot off engine with key, what voltage should i be getting from the alternator on. Alternator 2 (ALT 2) is a 20-amp engine-driven alternator mounted to the aft engine accessory pad. When that’s the case, replacing a standard stock alternator with a high output alternator is a wise decision. Bring the vehicle to a fast idle of around 2000 rpm and turn on accessories like the headlights and A/C blower motor. Tested myself and thought alternator was not pumping out to good. Ampere output must be within 10 amps of rated output. Later I found out on the Transpo Electronics website that this rectifier has a working voltage limit of 32V!. For example, a 50 Amp/50mV meter requires a 50 Amp shunt; a 200 Amp/50mV meter requires a 200 Amp shunt. The resistance between individual coils must be infinite (OL). Outside that range indicates bad or dirty connections or defective alternator. I am wondering how to go about high amp testing? My SO dealer tells me the verdict can do so but he does'nt have a clue as to how! He states that the Verdict is "Hybrid" ready. The VOLTS mode indicates alternator DC output voltage; the AMPS mode shows starter free running amperage draw. On the surface, that 150-amp alternator should be more than capable of handling the load. Electrical guru Mark Hamilton of M. I already did, measure the amperage output with a discharged battery. They are usually designated by amperage out put such as a 22- amp or a 32-amp system. If you find that your alternator is charging when you do this procedure, but does not charge when you connect it back to the computer, this kit will get your alternator working and charging at the proper. Read the measurement in the display. I have upgraded from the standard 20 amp alternator. AND THEN check that the wiring harness plug in the engine compartment is making a GOOD connection from the alternator to the amp meter. This is a test that you can do with the alternator still in the vehicle and in this article I'll show you just how to do it. New battery won't stay charged. 5 Amp continuous drain on the Battery. Repeat step 1). It will tell you if the alternator is charging. The Bad Diode light is on, representing a charging LED will turn on. This is a regular blade type fuse NOT like the mega or in-line fuse that protects the Output Circuit of the alternator. Pick yourself up a multimeter. Meanwhile, it makes the wind turbines match the generators quite well and increase the reliability of their operation. Connect the test leads of a volt meter to the alternator output. Yes you can use a multimeter, but you have to disconnect the battery and wire it in series. The EQUUS Multimeter has an Operating range 0-600 AMP AC/DC and is designed to work with all Digital Multimeters. Testing a battery with a multimeter is a simple process. It should read approximately between 13. 5 volts, showing that the alternator is able to keep up with the load. (1) Connect the circuit as shown. The old battery was a 600cc amp no idea how old but never missed a beat till now, New one is 750cc amp Exide. The battery was good, the voltage regulator was good. The power switch is used to turn the power supply of the multimeter on and off. Depending on alternator should be between 30 amps for some little Eurobox and 100 for a bus. • Testing for Maximum Output of the Alternator cable-and attach an amp meter The Alternator and Charging system. Here’s how you can test your car alternator for power, so that doesn’t happen to you. From the alternator output to the ground should be at least 13. You can also insert a DC ammeter in series with the output of the alternator, if you wish to see how much current it is producing. Alternator Output - Test Results Seem Weak So I seem to have a 100 amp alternator that in a situation of the You can confirm that the rad fans are 15A each by using the clamp meter to. To keep an eye on the utility’s systems, Gengler relies on a Fluke 189, a high-accuracy (0. 8v A little low, but you need to read the amps too. You take a digital multimeter, check for voltage (should be between 13. From those measurements it calculates peak current in Amps, peak power in Watts, minimum voltage in Volts, power in Watts, energy in Watt hours and charge in Amp hours. And the GREEN 0-18volt scale will apply to testing, except when actually measuring voltage drop across a cable. If output is not within 10 amps of rated output, ground field winding by inserting a screwdriver into test hole. When you test that go back to the Cycle Electric info for the voltage output for your system. com 1-5-2011 EDIT: Started with testing the battery & then added a section on testing the alternator. Switch activates load for testing alternator. To calibrate the DTA, hold the engine RPM at 1000, then press and release the button on the DTA. one thing to remember. I have been able to measure alternator voltage with the multimeter in parallel by connecting between the B+ terminal of the alternator and the engine ground. Meter should show continuity. You meter must have that capability to perform that function. EQUUS INNOVA 3347 Equus Digital Multimeter AMP Probe is ideal for testing alternator output, starter and battery current draw and all other electrical wiring circuits. 2) Manual testing. If you ever need your portable generator, you want it to produce the correct voltage. 3G alternator (130 amp) for our swap comes in large and small frame sizes small frame can be found stock in 1995 5. Connect the positive meter test lead to the B+ and the negative test lead to B- connections. You can check using an amp meter clamped to the wire at the back of the alternator. Pick yourself up a multimeter. 0L Mercury Mountaineer isn't hard. The nifty little probe lead holders on the side of the unit may give up after a while, but it also comes with a handy carry case. Keeping it charged would be on the alternator. If it's ok, then the regulator must be bad. Regulated voltage on black scale. Place the black lead of the multimeter to the negative terminal on the battery. details about new canal boat alternator high output 75 amp a127 type dual termination right hand fit version see other listing for l/h type. It Has been explained that if the voltage reading on a multimeter, at the battery terminal, is 14V+, that is what an alternator should be doing. As the engine rotates the alternator pulley, the rotor spins past three stationary stator windings, or wire. In other words, they check the voltage output when spinning the alternator and it checks out good. You should see at least 13. In the 1992-1997 crownvics, the alternator fusible links are located in the charging wire which connects the alternator output post and the underhood fuseblock. Tech B says to connect the leads of a voltmeter to the positive and negative terminal of the battery to measure the voltage drop of the charging system. The best way to check the output when the alternator is configured for "full field" is to use a clamp around inductance dc meter. Shunts and meters must be matched by their ratings and calibration. China Auto Alternator Testing, China Auto Alternator Testing Suppliers and Manufacturers Directory - Source a Large Selection of Auto Alternator Testing Products at alternator test bench ,starter and alternator test bench ,alternating pressure mattress from China Alibaba. 8 to 14 volts. The back of the alternator has several wires connected to it, unless it is a single wire system. 2 [say between 5 and 7 volts] that should move up and down as the potmeter is turned. It feels sturdy to the touch and should stand up to the rigors of most garage setups. Charging output can be checked with the engine running. 4 VDC and only be 0. EQUUS INNOVA 3347 Equus Digital Multimeter AMP Probe is ideal for testing alternator output, starter and battery current draw and all other electrical wiring circuits. 4 volts higher than the voltage across the battery. Use care when disconnecting the alternator output wire. • It’s best to check with the alternator manufacturer, or a. Move the negative test lead (-) to (TP 2) and (TP 3). Cartman is the cheapest battery tester within this article and is able to check the battery and alternator condition. Test voltage across the battery terminals with the engine running. It's fun too. Page 1 of 3: How to Test the Alternator (Ford 4. Meters Replacing your standard alternator with a high-output Balmar alternator may require that your standard amp meter be replaced with a high amperage, shunt-type meter. Shunts and meters must be matched by their ratings and calibration. How to Test Alternator with a Voltmeter Alternator test with a voltmeter. I need to test Amp output. When you test the output voltage of your alternator, always include an amperage output test. Testing a battery with a multimeter is a simple process. A 200A alternator of the same model is a direct swap out. And one of the best ways to do this is to use a multimeter with an ohmmeter setting and then measuring the resistance values. Step 2: Testing the Alternator Voltage Output Have a helper start the engine and hold the RPM's just above idle at about 1500 and observe the meter. Multimeter (Appendix G, Mount alternator to starter/alternator mounting bracket on 500 amp test stand. Set up your DMM as follows: To measure ac current with a current output clamp, turn the dial to mÃ/Ã. Meanwhile, it makes the wind turbines match the generators quite well and increase the reliability of their operation. Re: LS1 in 1967 camaro alternator wiring questions I have learned more about the alternator. 5Hp 55Amp High Powered Outback Campers Battery Charger Without Digital Amp meter PROUDLY MADE IN AUSTRALIAThe Outback Battery Charger is the fastest possible way to charge flat batteries whilst camping in remote areas with car. Travelpilot Lucca Sale. You are eligible for a full refund if no ShippingPass-eligible orders have been placed. A bigger alternator can get you increased duty cycle if your pump can handle the heat. The car battery tester also features three LED indicators to indicate strength of your battery’s condition. Still, using a few simple tests at home that show you how to test an alternator, how to inspect a battery, if necessary, and check a drive belt will help you pinpoint the cause of the problem. Without an inline or clamp on amp meter, it will be tough to see just what everything is drawing, either by item or total. For the easiest alternator test, simply turn on the headlights to your lawn mower or outdoor power equipment. 4L equipped car, pick up or SUV, is a simple test that can be done with just a multimeter. By referring to the above diagram, it can be seen that the ammeter reads the difference in voltage between the battery and the alternator. Current alternator size is 160A. 5 volts to 14. the alternator, remove the breaker and replace with suitable breaker up to 50-amp maximum size (Refer to AC43. While the engine is running take a reading. Repeat step 1). Alternator performance is tested with a heavy load, equal to or slightly greater than the rated alternator maximum current. If they were, they'd have test leads as thick as the wire going from the alternator to the battery, about 10 gauge or so. Snap On Battery Load Tester Manual Read/Download With full 100 amp load-testing capacity, this reliable tester works on both 6 and 12 volt batteries. They don't show any scale but if these are more than a couple hundred millivolts I can't imagine it being the output terminal of the alternator. Hit it up with my volt meter and found the alternator only making 7 volts below 3500 RPM's. An amp gauge or ammeter shows you the output of your alternator or generator (depending on whether you have an early car or a later built one). Testing the remote wire is similar to testing the hot lead, or main power wire. The INNOVA Digital Multimeter AMP Probe is ideal for testing alternator output, starter and battery current draw as well as all other electrical wiring circuits. The multimeter then displays the voltage drop when the test leads are connected across a diode when forward-biased. Today's 12-volt electrical system provides a voltage regulator, which lengthens the lifespan of your other electrical subsystems by guaranteeing a constant voltage to the battery. JIMCO has been building test equipment for remanufacturers and auto-electric shops for more than 30 years. The following article was offered on the ‘net to assist owner-operators of certified aircraft (notably Pipers) live in harmony with their electrical systems. Alternator problems manifest themselves in various ways, depending upon the particular failure. 0L Mercury Mountaineer isn't hard. radio, air con, wipers were all on and then the test was carried out and i got a reading of 47. Touch the meter leads to the corresponding leads on the capacitor, red to positive and black to negative. That means the alternator is pumping out the juice. 201 - Rectifier Plug Testing Stator If “short” test indicates stator is shorted, look for obvious shorts on leads. What should I do now to determine exactly what the problem with the alternator is? EDIT. 10 V-drop across low-current wires and switches. Travelpilot Lucca shop with a huge selection, Travelpilot Lucca for sale at Ebay!. If you do buy a volt meter, don't waste money on one that has big chunky numbers and a fat needle. Bring your Alt in, and they test it. Take a digital multimeter, and measure the voltage accross the battery. Install a 6 Volt Alternator on Your Old Car!: Intro: So you have an old car that has a 6 volt electrical system and you want more electrical power. The resistance between individual coils must be infinite (OL). How to test a car battery. Refer to Prestolite training manual Section 3:2 below. Shop Treasure Coast Honda Kawasaki in Fort Pierce Florida to find your next Kawasaki Mule 4000 Utility Vehicles. Due to the fact, it needs to be in a good condition when you need a smooth start of your car and also need to get all functions up and running without any disturbances. Shop Ajax Motorsports of OKC in Oklahoma City, Oklahoma to find your next Utility Vehicles. ) You don't need to disconnect anything to test the alternator. From the alternator output to the ground should be at least 13. Alternator /Regulator Field Tests Test A -The alternator and regulator can be tested for function by determining if a magnetic field exists at the alternator's pul-ley shaft or rear bearing. For SCC(steps 1 to 3 are same as OCC, then as follows. Touch the big post on the alternator (the positive terminal post on the alternator) with the red lead of the multimeter, and touch the other lead on the alternator case. Also fitted with 'tacho' output terminal This is a Universal fit alternator ideal for the Canal, Riverboat and leisure industry applications High Output upgrade for BMC 1. Being able to determine the polarity (cathode versus anode) and basic functionality of a diode is a very important skill for the electronics hobbyist or technician to have. Positive output on your alternator and your positive battery terminal and also with other connections. 0L Mercury Mountaineer isn't hard. Not everybody needs a 170-amp alternator. Ammeter leads must be connected in series with the circuit to be measured. The Bad Diode light is on, representing a charging LED will turn on. All of the above was tested at idle so I decided to rev the engine to 2000RPM, now it was pulling about 125 amps from the alternator, which is the highest I was able to get it. Theory of operation: To do a contactless measurement with the clamp ring this ammeter uses a hall effect device to measure the axial magnetic field generated in the wire by current flowing through it. Starter Volts & Amp Draw Meters Alternator Output Voltage Meter Stator Volts: verify proper stator terminal output Universal Adapter Plug: accepts AmFor test leads for any alternator Special CS Test Circuit: will energize and test CS, and other late model alternator that require a special energize circuit, without a battery in the system. Meters Replacing your standard alternator with a high-output Balmar alternator may require that your standard amp meter be replaced with a high amperage, shunt-type meter. With our how-to troubleshoot alternator charging systems article, you can Make sure your vintage Mustang’s battery is charged up and ready to go - Mustang Monthly Magazine. See the SI SERIES ALTERNATOR OUTPUT SPECIFICATIONS. Guys, If you have access to a decent sized inverter, 1500W or so, directly conenct it to the small/start bank of batteries WITH BATTERY LUGS NOT CLAMPS, check the belt tension, then fire up the motor with a DC clamp meter on the B+ output wire of the alt. Place the positive lead of the meter on the positive lead of the battery. Yes you can use a multimeter, but you have to disconnect the battery and wire it in series. Diagnosing Alternator Charging System Problems Over the years Harley Davidson has used many different alternator systems. As described in the multimeter section, be sure to consider the residual meter lead resistance when making this measurement - we are interested in the actual stator wire resistance, not that of the meter leads!. The reading is near the maximum amperes you made a note of earlier. Connect the current probe to the alternator B+ output lead. I already did, measure the amperage output with a discharged battery. ALTERNATOR Tri-Circuit TESTING STATOR COILS With multimeter, check continuity between ground lead to stator coil and output connector lead shown in Figure 209. A secondary but extremely convenient advantage is that this type of tester can test diodes while. PART 3- Verifying that the alternator fuse in the fuse-box is not blown (if equipped). 490066 DIODE STARTER TERMINAL * Terminal 1 Grounded Internally To Key Switch Case A M T R +--KEY SWITCH STOP SWITCH TERMINA. A bigger alternator can get you increased duty cycle if your pump can handle the heat. 24 -Volt Alternator Installation & Operation Manual Introduction Thank you for choosing a Balmar high-output alternator. How to Test Alternator with a Voltmeter Alternator test with a voltmeter. Both tests were performed from idle to 3000 rpm (the typical point at which an alternator produces maximum output. 0L Mercury Mountaineer isn't hard. Further, many places are not set up to test alternators properly and an alternator that passes the test down at the parts store may not be as good as the store tells you. Shop test meters in the electrical testers & tools section of Lowes. Car battery maintenance is a year round requirement, because it is very frustrating to find in a morning that your car suddenly can't start because of the dead car battery. one way i know you have shitty electrical. A digital multimeter is an extremely useful tool to have around the house, here are some tutorials covering other things you can do with one: Here we explain how to locate a buried cable fault with a digital multimeter. The 145 amp alternator was very hot to the touch. Light weight, hand-held convenience. Mostly I would like to be able to check alternator output and starter draw. The diode drops the 0. When the motor is running the meter should read the voltage level of the charging system of the engine. I traced the source of the current drain, by pulling Connectors, Fuses, etc. Don't worry if you have never used a multimeter before. See if you get any real AC volts on the line (bad diodes). Using certain multimeter models, you can test to be sure that components — such as diodes, capacitors, and transistors — function properly. I measured the Current, with a Multimeter, with the Engine and all Electrical Devices off, and found a 2. see the G8 uses an alternator with a field effect circuit so it varies the current and voltage output of the alternator to meet demands of the car. If output is not within 10 amps of rated output, ground field winding by inserting a screwdriver into test hole. This test will determine if the alternator output is within its performance specification, preventing unnecessary alternator replacement. For example, at 10 RPM it will produce 6. First make sure that the vehicle's battery is fully charged. I first mentioned this back in the summer of 1999, and it’s still the only standalone test kit of its kind I’ve found. PART 3- Verifying that the alternator fuse in the fuse-box is not blown (if equipped). An alternator is a crucial component in your car and it cannot work properly if your car alternator is not working well. Still, using a few simple tests at home that show you how to test an alternator, how to inspect a battery, if necessary, and check a drive belt will help you pinpoint the cause of the problem. Does anyone know how to test the 35 amp alternator to see what it is putting out for AC voltage. My issue is when I'm at idle and I have the volume up and the subs hit hard my engine races up about an additional 1000 rpm to compensate. You can put the headlight fuse back in for this test, but disconnect any heavy load accessories which come on with the ignition. A decent one can probably be had for $20 or $30. To test your alternator, you'll need a voltage meter and amperage meter, or a multi-meter that reads both voltage and amperage. 5Hp 55Amp High Powered Outback Campers Battery Charger Without Digital Amp meter PROUDLY MADE IN AUSTRALIAThe Outback Battery Charger is the fastest possible way to charge flat batteries whilst camping in remote areas with car. Duplicates the circuitry found in an automobile. Finally, have the battery's health checked too; it may not be able to store sufficient charge. The Digital Multimeter will withstand DC input of 10 – 20 Amps for up to 30 seconds. The red/green indicator light shows power and low battery. The recommended working limit is 0. Instrumart carries over 100 brands of industrial instruments and supports customers with free lifetime technical support from its staff of Applications Engineers. In this case, this alternator is capable of putting out 120A @ 6,000 RPM. The test will require you to disconnect main fuse B. Connect the carbon pile to the battery. BTW, you don't need an expensive high-end multimeter to do a draw test. 00 If any of your specifications are not within the recommended range, the stator is bad. You can connect a volt meter from the battery post (hot side) to the alternator output stud, then turn the lights on and check for voltage loss. 7 amps @ 14. Put a multi-meter on your battery and run your engine on high idle, do not allow your alternator to charge the battery much over 16 volts. 201 - Rectifier Plug Testing Stator If “short” test indicates stator is shorted, look for obvious shorts on leads. Compare prices for C Output. 8 volts, you have a weak battery and will need to replace it soon. 7amps and the voltage under load was 14. This is a regular blade type fuse NOT like the mega or in-line fuse that protects the Output Circuit of the alternator. The voltage across these terminals should be between 0 and 0. Testing Alternators, Batteries And Vehicle Earths - posted in Electrical: As the topic comes up regular I have written a short exercise in testing batteries, the vehicle cables and connections and the alternators output. You should see at least 13. It should be 13. Alternator output on green scale. The transmission of the power from the electrical motor to the wheels is done by the chain drive of the motorcycle. 6031 Associated Alternator / Battery Tester - Tests for defective alternators diodes including GM trio test, and performs complete battery test as well. a good diode will read what if the leads are. Bring the vehicle to a fast idle of around 2000 rpm and turn on accessories like the headlights and A/C blower motor. I have no strength in my left arm. I am running the boat battery wiring from the switch to my two batteries. Due to the fact, it needs to be in a good condition when you need a smooth start of your car and also need to get all functions up and running without any disturbances. I put a 20 amp regulator on my k301 equipped 5665. (Positive and Negative both. Richpin demonstrates how to test an alternator with a standard multimeter. None of that can be determined by just using a meter on the alternator output. (Just as 1000mm equals 1 meter. Honda 12V 2. To test the alternator and regulator output, test the current flow from the alternator with an induction ammeter. Take it to an auto parts store where they have a test bench. Mopar had their own way of wiring the 60 amp and up alternators on B-bodies (and other models) that still used the ammeter. Test voltage across the battery terminals with the engine running. The VOLTS mode indicates alternator DC output voltage; the AMPS mode shows starter free running amperage draw. Cycle Electric Inc. Take the negative lead of the multimeter and put it on the negative post of the battery. Please tell me where the test point is for both his 2003 and my 1999 328i. The voltage regulator controls the voltage range of the alternator. With the engine running test the alternator voltage at the batteries. terminal on the back of the alternator, (not at the battery). If the voltage reads over 14. If you ever need your portable generator, you want it to produce the correct voltage. 4 litre Micra which has a smaller 80 amp. Alternator Testing The voltage regulator will generally vary charging voltage from about 13. Test the output voltage first with the multimeter. So don’t even think about letting it idle to recharge the battery. They test the same. Set up your DMM as follows: To measure ac current with a current output clamp, turn the dial to mÃ/Ã. Any concern about alternator output should begin with checking the drive belt tension. The VOLTS mode indicates alternator DC output voltage; the AMPS mode shows starter free running amperage draw. clamp the positive bolted wire coming off the alternator, USING EXTREME CAUTION as the. A decent one can probably be had for $20 or $30. a cheap simple volt meter is best (under $10. Today's 12-volt electrical system provides a voltage regulator, which lengthens the lifespan of your other electrical subsystems by guaranteeing a constant voltage to the battery. Turn ON the alternator master for the BC410-H. Connect volt-amp tester to battery Set meter range to highest scales during starting Adjust to lower ranges as needed Four charging tests Charging system output test Regulator voltage AC generator full-field test Charging circuit resistance tests Charging System Output Test Procedure Start the engine Raise idle speed to 2,000 rpm while lowering. Part 3: This last test may apply or not to the vehicle that you're working on. Further, the trouble shooting procedures do not first look at most probable causes with diagnostic. net off charge and alternator output. The multimeter is the go-to meter for field technicians. Check your owner's manual to determine what the amp output of. It should read approximately between 13. Ensure this is the case or borrow one from a friend that does. 5-9 Testing Solid State Ignition Where the Charge Coil is part of the Stator, 10 Amp PN 610747 Figure 5-9-1. NOTE: The alternator amp rating can be found on the alternator, and in PartsPro. If the battery was good under load test, if the stator is NOT shorted to ground, and the stator is putting out A/C voltage, then the regulator is bad (most likely even if if passed step 2). Question 1 - how should I test the output on B+ to see if it is giving me the 14-15+ volts it should? Should I connect my multimeter to B+ and then where should the negative lead go? Question 2 - what am I testing when going from B+ to positive terminal on battery and looking for 0 Volts? Thanks. Connect the positive meter test lead to the B+ and the negative test lead to B- connections. The Digital Multimeter will withstand DC input of 10 – 20 Amps for up to 30 seconds.