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Post by lain on Apr 26, 2016 12:40:02 GMT -5
So I had to replace my old stator due to it stopped giving out current through the ignition wire, I used a salvaged stator from another identical engine that has been sitting around and it started right up, but then later that night I noticed the lights started off dim and went out completely within 30 seconds as it warmed up. This is an AC powered 150cc scoot by the way...
So I check the stator, the ignition wire (red/black) gives off about 80v as is starting. The charging and lighting wires give off no readings at all, no ac no dc and no resistance. Of course this stator seems to be bad as well but the engine runs, so I have just been using it as I wait for a brand new stator to come in the mail...
The weird thing is while revving and holding the brake the headlights and rear running light turns on full blast as it normally would be, then when I let go of the brake the lights go back to being completely off. Also while revving if I use the blinkers the lights will flash with the blinkers. I checked once again if there was any reading on the lighting or charging wires when I did this and nope, nothing...
So where the heck is the power coming from to power the running lights and headlights while using the brake or blinkers and why is it effected by the amount of rpms my engine is running... I've put my multimeter probes just about everywhere and connected to everything even the lighting and brake wires...
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Post by scootdoggydog on Apr 26, 2016 21:41:13 GMT -5
How did you test the charging and lighting wires? What kind of stator and reg/rec do you have? How did you know you're ignition coil went bad?
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Post by lain on Apr 27, 2016 6:22:18 GMT -5
How did you test the charging and lighting wires? What kind of stator and reg/rec do you have? How did you know you're ignition coil went bad? I used a multimeter; first checked ohmz resistance, nothing, then went ahead and tested with A/C 50v setting, nothing, 10v setting, nothing, DC 10v nothing... Tried the red/black (ignition) wires and got 80v-100v AC right at start. The stator is a 8 pole looks exactly like this one: www.ebay.com/itm/151458404978?_trksid=p2060778.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AITI could tell the old stator before this salvaged stator I'm currently using went bad because I got readings from both charging and lighting wires on the old stator but nothing from the red/black wire but a small tiny jump of a current to about 1v every like 10 or 20 tries... When I removed it the poles had what looked liek salt from the streets caked on the wrapped pole which seems to be the one that connects to the red/black wire. So I'm guessing salt corrosion did that one in but I feel that is irrelevant and only distracts from the issue.
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Sophomore Rider
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Post by dyoung1167 on May 1, 2016 12:11:19 GMT -5
that stator is an ungrounded version, where your old was grounded. you need to get a matching regulator/rectifier. i went through the exact thing when i replaced my engine with "kit" that had r/r, starter relay, blinker relay etc, but only changed the motor considering everything else was fine. unfortunately the r/r they sent had different connector so i had to order a 4 wire. my lights did EXACTLY what yours is and after plenty of diagnosing it eventually burned out every bulb on the ac side of things, headlights, dash lights, and tail light. www.scrappydogscooters.com/COMMON_PARTS.html , scroll down to Floating ground regulator rectifier #02. you can look elsewhere of course but they seem to be the only seller i found to actually list whether or not it is a floating ground version or not (they have both).
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