Chasing a ground return

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Joined
Oct 7, 2025
Threads
12
Messages
56
Location
California
Hi
I have been chasing down the ground return wire from the right turn signal (green-yellow) on a J55 and lost it when it went through the fire wall. Anyone out there know where it lands? Thanks!
 
Early light fixtures are grounded by their mounting bolts. I usually add a ground wire to the fixture that holds the bulb.
 
The grounds are terminated at lite or close by, That lite may have had parking & turn signals, parking lamp would go to headlight switch, turn will go thru flasher, column & hazard. Are you sure that green/yellow is a ground ? pic of inside engine bay or back of lite ?
Thanks, I'll have to get back with you. The truck is buried in snow right now
 
Thanks, I'll have to get back with you. The truck is buried in snow right now
I think you may have something. I took a test light from the ground on the battery and crossed the green /yellow and the turn light worked as well as the test light. There are no other wires. so maybe the turn signal grounds at the mount?
 
I think you may have something. I took a test light from the ground on the battery and crossed the green /yellow and the turn light worked as well as the test light. There are no other wires. so maybe the turn signal grounds at the mount?
Pretty sure that’s what several have already said.
 
Early light fixtures are grounded by their mounting bolts. I usually add a ground wire to the fixture that holds the bulb.

I think you may have something. I took a test light from the ground on the battery and crossed the green /yellow and the turn light worked as well as the test light. There are no other wires. so maybe the turn signal grounds at the mount?

Of course they do.
 
A slow learner is miles ahead of a no learner. DIY is often harder than just writing a check - but when stuff breaks in the outback and there is no rescue; being able to fix it yourself is priceless.
 
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