Author Topic: Electrical troubleshooting 1980 440 Drifter  (Read 1624 times)

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whitley1983

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Electrical troubleshooting 1980 440 Drifter
« on: February 29, 2020, 04:39:26 PM »
Did a full teardown and rebuild and when I put everything back together I hooked up all the original wiring, new headlight bulb , original tail light bulb and speedo light bulb. So the brake light worked, but the tail light, headlight, and speedo bulb weren't turning on. I found that there was power at all the connections, and so I took out the headlight and then the tail light and speedo light worked. I then put the original headlight in and the taillight and speedo light stopped working? I then proceeded to clean up some of the wiring, wrapped the hot grip wiring with electrical tape and put on new wire nuts on the spliced sections. There are 2 wires leaving both sides of the handle bars, one one each side are wire nutted together and then the other ones are wire nutted together and then a third wire from that set goes and attaches to the shroud. After I taped everything and re wire nutted the sections the tail light and speedo light stopped working. I undid both wire nuts and switched the wires around thinking I may have switched two but I've had no luck. Man I hate chasing electrical problems and I really hope someone out there can help me. I really just want the tail light to work because I have to have a tail light and break light to race in this Tired Iron snowmobile race that's in a week. Please Help!
1980 440 Drifter, 1978 440 Invader

Interceptor398

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Re: Electrical troubleshooting 1980 440 Drifter
« Reply #1 on: February 29, 2020, 09:10:11 PM »
Wire nuts and I are not friends.

whitley1983

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Re: Electrical troubleshooting 1980 440 Drifter
« Reply #2 on: February 29, 2020, 09:30:43 PM »
I figured it out, after giving up and just sitting down and reading the wiring schematic in the shop manual I found where the key has three positions, off, run/lights, and run. It was that simple, I'd been turning the key all the way to the right just out of ignorance and after hours of messing with a test light and smoking out my garage it was just that! Oh well, at least I got it working!
1980 440 Drifter, 1978 440 Invader

Interceptor398

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Re: Electrical troubleshooting 1980 440 Drifter
« Reply #3 on: February 29, 2020, 09:39:08 PM »
Va hooo!!! ;D

mswyka

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Re: Electrical troubleshooting 1980 440 Drifter
« Reply #4 on: March 01, 2020, 06:10:36 AM »
I know the feeling.  Best of luck at the races.
Intruders:  1978, 1979, 1981 Custom (Pink)
Invaders:   1980 440
Projects:    1981 Invader 440