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Im new to the Forum looking for help with my 92 FXDC electrical problem. I was in the dark when I reversed polarity on my battery, it sparke welded the connector briefly and wouldn't start after. I bought a new battery and tried to locate a fuse or breaker and nothing looks familiar that I can replace. I removed the access panel near the seat expecting a blown fuse but all the parts are bolted on and no visible 2 prong fuses. stumped, don't know where else to look.
how do I post pictures on this site?
Im new to the Forum looking for help with my 92 FXDC electrical problem. I was in the dark when I reversed polarity on my battery, it sparke welded the connector briefly and wouldn't start after. I bought a new battery and tried to locate a fuse or breaker and nothing looks familiar that I can replace. I removed the access panel near the seat expecting a blown fuse but all the parts are bolted on and no visible 2 prong fuses. stumped, don't know where else to look.
how do I post pictures on this site?
It reads like you have a 1992 FXDC.
Basically a Dyna model.
You made an error and installed the battery cables incorrectly.
You reversed the polarity.
Positive cable was connected to negative battery post and negative cable connected to positive battery post.
Why were battery cables re-connected?
Why did you buy battery?
Reason: Was this bike operational prior to this problem?
You report that bike would not start after the incident.
What does that statement mean to you? Does it mean no cranking? Does it mean it will crank but not run?
Does the bike have any lights operating at this time?
From the limited information available it reads like either a fuse or circuit breaker is compromised at minimum.
Circuit breakers are inside the access panel and should only be removed with battery cables disconnected.
installed fully charged new battery and bike won't start, crank,or even click. no lights, no power to anything. will be replacing a 30 amp breaker for 13 bucks see if it works.
You need to do some testing. Trace the battery voltage from the battery to the starter to the fuse box, etc, until you find the fault. I'm not sure what kind of charging system you have, but you might want to unplug or disconnect the alternator and regulator for the time being as they could be the root of the problem.
installed fully charged new battery and bike won't start, crank,or even click. no lights, no power to anything. will be replacing a 30 amp breaker for 13 bucks see if it works.
STOP.
Guessing and replacing parts is not the way to solve an electrical problem.
If you want to guess and replace parts you don`t need us to help.
If you want to troubleshoot, get out your voltmeter.
Take some voltage readings:
What is voltage at main breaker copper stud?
What is voltage at main breaker silver stud?
Last edited by Dan89FLSTC; Aug 21, 2024 at 10:11 AM.
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Electrical problems after reverse polarity
