light problem
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2nd Gear
Joined: Jul 2017
Posts: 6
Likes: 0
From: Bryson City NC
Yeah. I had my voltage regulator go out and changed it and it fried my battery but before I knew my battery was bad I thought I might have blew a fuse or circuit breaker trying to jump off the bad battery. Lights were out when I put the new battery in
Seasoned HDF Member
Joined: May 2008
Posts: 21,143
Likes: 12,706
From: South Carolina
First, the headlamp, since you do have power to the high beam, we know that there is power going to the switch.
Check the bulb and the connector.
If these are good, check the wiring between the connector and the headlamp switch (the yellow wire).
Next, the tail lamp, we know the ground is good, because the brake lamp works, so it could be a bad bulb.
Check the turn signal bulbs.
A bad voltage regulator that is causing the alternator to overcharge will fry components, like bulbs.
Check the bulb and the connector.
If these are good, check the wiring between the connector and the headlamp switch (the yellow wire).
Next, the tail lamp, we know the ground is good, because the brake lamp works, so it could be a bad bulb.
Check the turn signal bulbs.
A bad voltage regulator that is causing the alternator to overcharge will fry components, like bulbs.
Last edited by Dan89FLSTC; Jul 16, 2017 at 02:59 PM.
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