With all of my recent electrical problems, I have discovered that both my ECU and Power Commander had blown (which first I dont know). around … Santa's little helper , Dec 11, 2010 Test the Regulator. 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. Start the engine and run at the maximum throttle position while observing the DC voltage. Step 2. If the voltage regulator malfunctions, it will stop … TRC is now closed as an active forum, it is now a read only archive. Discussion Starter • #1 • Dec 24, 2009. so ive read all the threads on testing the R/R wiring harness and all. Here's a vid I did many years ago on mine. The Kohler Regulator/Rectifier tester works the best. Might have a shorting coil. 201 Posts . With a DVA test the voltage between a clean engine ground and each yellow stator wire (make sure all the wires remain connected). Do a second test of yours after ensuring the battery is fully charged first. This is the only test needed to tell whether the regulator is good or not. Regulator/Rectifier=2 Functions: Rectifier: The rectifier is responsible for converting the alternate current (AC) current created by the stator to direct current (DC). So long and thanks for all the fish. Regulator/Rectifier Running Tests 1.Run the outboard motor at approximately 1500rpm. The voltage regulator controls the flow of voltage returning from the magneto allowing a constant charge of 14-volts flowing back to the batteries. Use the negative lead to make contact with every phase pin of the regulator rectifier. You should get a reading between 0.400 V and 0.600 V on every pin. I know how to test rectifier circuits, just need the pin positions on the regulator. 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. Also test the stator as outlined in the manual. I was able to buy one from a friend with some other small engine tools. 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. This website is our direct channel to the public. 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. b. This test is a simple procedure to check alternator voltage regulator output. 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. Any and all technical info would be appreciated. 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 … Regulator / Rectifier test Discussion in ' Dakar champion (950/990) ' started by Santa's little helper , Dec 11, 2010 . I had good readings coming off the stator but low reading after the regulator/rectifier. Voltage Regulator Test. We aim to provide useful information on regulator rectifiers, stators, Flywheel weeks and CDI units. Set your meter to Ohms function, there should be a reading (continuity) between any two of the 3 wires (IE. Set the parking brake and shift the transmission to Neutral (manual) or Park (automatic). I have been testing voltage at the battery with the engine off and then after the engine runs for awhile..I get varied voltage. Step 1. I have three 32800-94620 rectifier/regulators (I have lots of spare DT115/140 parts) which all fail with the same results. Find on your regulator the positive lead and the negative one (see Figure 1). If reading is NOT OK, then you probably have a charging system problem. Without a functioning rectifier-regulator, a weak, dead, or overcharged battery would be the result. Golf carts run on an electrical system using 12-volt batteries. If you like the content you find here, don't block the ads check them out instead. The regulator rectifier could also fail if the system overheats, as discussed earlier. We go through only one test, a voltage check of the voltage regulator using the voltmeter of a multimeter. Step 1. Generally, motorcycles feature a three-component system containing three wires that link the stator to the regulator rectifier. 3A RECTIFIER Test by performing a continuity test. The regulator/rectifier converts this from a 3 phase AC power to a single phase DC. A regulator rectifier is a standard component of this circuitry. 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. The name of this part is appropriate, as a regulator rectifier regulates and rectifies voltage. take a reading, and repeat for the other 2 pins. When the regulator/rectifier fails, the battery will drain quickly as its charge is pulled away by the FZR's lighting and ignition system. 18A and 20A REGULATOR/RECTIFIERS Install a known good regulator/rectifier and retest the system. Hi, I am looking to test the new regulator/rectifier that I just installed on my 1987 Johnson 140 TXCLUA. This is because the connected 12-volt electrics will pull more current from the regulator rectifier to compensate for the reduced voltage. OUTPUT TEST a. Connect a DMM (set to measure DC volts) between the battery terminals as shown in step . You'll note signs right away like poor starts, fluctuating meter readings, and dimmed headlights. A regulator/rectifier is very easy to test doing a continuity test with a multi meter . Using a 6-volt regulator rectifier in a 12V system will cause it to over overheat and fail. II. It should read over 20. This is an article showing how a user how can test a voltage regulator to see if it is good or defective. They told me how to test it once I got home. They said there is no way to test it off of the machine. Then it passes the current to the battery. 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. When the regulator rectifier can no longer moderate voltage levels, your boat battery will begin to overcharge. The AC output lead wire leads from the voltage regulator to the stator. Your bike’s alternator stator coil produces AC voltage. Re: How To Test Kohler Rectifier ? 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. 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). Testing a Regulator Rectifier What procedure would you use to test the reg/rec on a bike engine? You should read around 25 Volts AC. If you need a regulator rectifier or ignition unit for a Vintage motorcycle or ATV, we probably carry it, too! Park the motorcycle on its kick stand. 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. Set your multimeter to DC Voltage and select the 20 Volts in the scale. Thank you. Put your multimeter to Diode. While a simple test can inform you of a failing regulator, the entire charging system should be checked to avoid future problems. Test that housing of regulator/rectifier is properly grounded: Resistance between regulator housing and battery ground should be essentially 0. First, the diode can burnout and cause the battery to drain. 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. If not as about Please email us about the CDI test and repair and stator rewind service. Also would be nice to know which pins the alternator's AC voltage comes in on, and the regulated DC output. You need a digital multimeter for this test. 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 all is well and the same, I would consider...and recommend the RMStator rectifier/regulator. 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 c. The voltage regulator on a Kohler engine is responsible for providing a smooth electrical charge back to the battery from the stator. 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. Designed and Written by: Abu-Hafss The tachometer is not functioning. Place the positive lead to the connector’s negative terminal. 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. 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. 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. In the case you are experiencing these symptoms, a digital multimeter can be used to test the rectifier function. The regulator rectifier then rectifies the voltage; that is it turns the voltage from AC into an undulating DC. Diode Test. If the wiring fails any of the above tests, th e wiring problem needs to be isolated and fixed. This handheld tester allows you to test the voltage and will help determine if the rectifier should be replaced. 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Shift the transmission to Neutral ( manual ) or Park ( automatic ) discussed earlier help determine regulator rectifier test.
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