You just plug it in and follow the instructions sheet based on what type Amp system you have, I have found this is the easiest was to test … Put your multimeter to Diode. Place the positive lead to the connector’s negative terminal. Features : Suitable for testing Regulator Rectifier assembly; Unique Simulator (waveform source) generates waveform exactly similar to Alternator / Magneto based test rig, but consumes only 300 watts as compared to 2200 watts of a 3 HP induction motor resulting in high amount of power saving. I wanted to know if it was stable, would heat up… As soon as I connected it to my transformer and powered it up, my test leads just melted, so I figured it was defective. If not as about Please email us about the CDI test and repair and stator rewind service. Step 1. While waiting for my DVA to arrive to test peak voltage per the service manual I was testing the resistance values of the other components and don't have a clue how the manual came up with these specs. To test the regulator/rectifier: Well, if you understand how diodes work, you can set your multimeter to "diode" mode to test the polarity of the terminals of your reg/rec module. This test is a simple procedure to check alternator voltage regulator output. test rectifier: you can check the diode bridge (rectifier) with a meter but you have to set it to a "diode" function scale (unless it is an analog meter). c. You need a digital multimeter for this test. 18A and 20A REGULATOR/RECTIFIERS Install a known good regulator/rectifier and retest the system. Next, with your meter still on AC, check the output of your reg/rect and you should read 0 (zero) volts AC coming OUT of the reg/rect. Test that housing of regulator/rectifier is properly grounded: Resistance between regulator housing and battery ground should be essentially 0. Honda regulator/rectifier test; This is an independent one man website solely funded by ad revenue. Golf carts run on an electrical system using 12-volt batteries. 4.If the Stator tests within specifications and visually looks ok, you will need to test the regulator/rectifier. Test results show that the regulator is grounded but you are not getting power from the battery to the B+ terminal of the regulator therefore it won't charge. If you like the content you find here, don't block the ads check them out instead. I ordered a Chinese replacement regulator/rectifier and when I got it, I tried it on a 12 volt AC transformer to see how it would perform. The purpose of the rectifier on an outboard motor is to force the current to flow in one direction only, using diodes, which are like one-way electrical valves. b. They told me how to test it once I got home. Step 1. Test the Regulator. A regulator rectifier is a standard component of this circuitry. If the voltage regulator malfunctions, it will stop … Unhook the R/R and check the voltage coming off the connection coming from the stator that goes into the R/R with the engine running. If reading is NOT OK, then you probably have a charging system problem. II. You should get a reading between 0.400 V and 0.600 V on every pin. Step 2. You won't have any trouble diagnosing the faulty regulator rectifier if the battery is the cause. Park the motorcycle on its kick stand. around … Also would be nice to know which pins the alternator's AC voltage comes in on, and the regulated DC output. 1985 Johnson Evinrude Power Pack 6 Cylinder 150HP to 235HP test $127.99 : 1985, 1989-1990 Johnson Evinrude 6 HP Regulator Rectifier $34.99 : 1985, 1989-1990 Johnson Evinrude 8 HP Regulator Rectifier $34.99 : 1985-1986 Johnson Evinrude Power Pack 4 Cylinder 90-115 HP $124.99 : 1985-1986 Johnson Evinrude Power Pack 4 Cylinder 90-115 HP $114.99 You'll note signs right away like poor starts, fluctuating meter readings, and dimmed headlights. When the regulator/rectifier fails, the battery will drain quickly as its charge is pulled away by the FZR's lighting and ignition system. This website is our direct channel to the public. Any and all technical info would be appreciated. Generally, motorcycles feature a three-component system containing three wires that link the stator to the regulator rectifier. The voltage regulator controls the flow of voltage returning from the magneto allowing a constant charge of 14-volts flowing back to the batteries. If the wiring fails any of the above tests, th e wiring problem needs to be isolated and fixed. I have been testing voltage at the battery with the engine off and then after the engine runs for awhile..I get varied voltage. Things to Note The voltage regulator on a Kohler engine is responsible for providing a smooth electrical charge back to the battery from the stator. Set your meter to Ohms function, there should be a reading (continuity) between any two of the 3 wires (IE. This is the only test needed to tell whether the regulator is good or not. The AC output lead wire leads from the voltage regulator to the stator. The battery charge lead runs form the voltage regulator to the positive side of the battery. These reg./rectifiers (RR-units) are usually sealed with epoxy and it is considered difficult to find out if the unit is faulty or not. TRC is now closed as an active forum, it is now a read only archive. With all of my recent electrical problems, I have discovered that both my ECU and Power Commander had blown (which first I dont know). When the regulator rectifier can no longer moderate voltage levels, your boat battery will begin to overcharge. If all is well and the same, I would consider...and recommend the RMStator rectifier/regulator. Your bike’s alternator stator coil produces AC voltage. First, the diode can burnout and cause the battery to drain. Regulator/Rectifier=2 Functions: Rectifier: The rectifier is responsible for converting the alternate current (AC) current created by the stator to direct current (DC). Then it passes the current to the battery. This is an article showing how a user how can test a voltage regulator to see if it is good or defective. In the case you are experiencing these symptoms, a digital multimeter can be used to test the rectifier function. Using a 6-volt regulator rectifier in a 12V system will cause it to over overheat and fail. To test your regulator/rectifier.... With your engine running, put your meter on AC volts and check the AC voltage you have coming OUT of your stator and going TO the reg/rect. The Kohler Regulator/Rectifier tester works the best. It should read over 20. 3A RECTIFIER Test by performing a continuity test. Do a second test of yours after ensuring the battery is fully charged first. The configuration of diodes and the orientation of the bridge depend on your specific motorcycle, so you need to consult the wiring diagram of your motorcycle manual. This handheld tester allows you to test the voltage and will help determine if the rectifier should be replaced. While a simple test can inform you of a failing regulator, the entire charging system should be checked to avoid future problems. The tachometer is not functioning. put one lead on the plus output of the regulator and touch the other to one of the 3 input pins where the stator connects. When the regulator malfunctions, it can either drain the battery or cause an overcharging that can damage the battery or the wiring harness. I have three 32800-94620 rectifier/regulators (I have lots of spare DT115/140 parts) which all fail with the same results. Regulator/Rectifier Running Tests 1.Run the outboard motor at approximately 1500rpm. Voltage Regulator Test. Also test the stator as outlined in the manual. Santa's little helper , Dec 11, 2010 OUTPUT TEST a. Connect a DMM (set to measure DC volts) between the battery terminals as shown in step . The voltage is then regulated; the voltage being limited to a maximum of about 14.5 volts and feeds this regulated DC out to the battery. Start the engine and run at the maximum throttle position while observing the DC voltage. The motorcycle regulator, rectifier tester circuit presented here can be used to test a 6-wire shunt type regulator-rectifiers for a 3-phase charging system of motorcycles. Might have a shorting coil. Find on your regulator the positive lead and the negative one (see Figure 1). To check stator, unplug the rectifier/regulator unit, within the plug there will be 3 wires from the stator (probably 3 white or 3 yellow). We go through only one test, a voltage check of the voltage regulator using the voltmeter of a multimeter. The name of this part is appropriate, as a regulator rectifier regulates and rectifies voltage. Try running a temporary wire 16 gauge or larger from the B+ terminal to the positive post of the battery and see what what voltage you get when testing the charge at the battery terminals. Check the ground wire first to ensure that it is properly attached and in good condition. Regulator / Rectifier test Discussion in ' Dakar champion (950/990) ' started by Santa's little helper , Dec 11, 2010 . Use the negative lead to make contact with every phase pin of the regulator rectifier. The regulator rectifier could also fail if the system overheats, as discussed earlier. If you need a regulator rectifier or ignition unit for a Vintage motorcycle or ATV, we probably carry it, too! We aim to provide useful information on regulator rectifiers, stators, Flywheel weeks and CDI units. Re: How To Test Kohler Rectifier ? Without a functioning rectifier-regulator, a weak, dead, or overcharged battery would be the result. I was able to buy one from a friend with some other small engine tools. Basically, it chops off the negative polarity portion of the current that the battery can't use. The regulator rectifier then rectifies the voltage; that is it turns the voltage from AC into an undulating DC. Set your multimeter to DC Voltage and select the 20 Volts in the scale. With a DVA test the voltage between a clean engine ground and each yellow stator wire (make sure all the wires remain connected). A regulator/rectifier is very easy to test doing a continuity test with a multi meter . Diode Test. The regulator/rectifier converts this from a 3 phase AC power to a single phase DC. This is because the connected 12-volt electrics will pull more current from the regulator rectifier to compensate for the reduced voltage. Thank you. You should read around 25 Volts AC. 201 Posts . take a reading, and repeat for the other 2 pins. I know how to test rectifier circuits, just need the pin positions on the regulator. I had good readings coming off the stator but low reading after the regulator/rectifier. The magneto is always trying to put out the same amount of power, this creates a problem when the battery is fully charged, or there is no heavy load on the system. So long and thanks for all the fish. 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