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#1 |
Registered User
Join Date: Aug 2016
Location: Danville Wv
Posts: 266
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Turn Signal need help
So my turn signals on my 1969 GMC C2500 dont work but my hazard lights work. Also my cluster indicators for my turn signal dont work any thoughts? Is it the turn signal switch?
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#2 |
Msgt USAF Ret
![]() ![]() Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Turn Signal need help
The power for your turn signals starts at the key switch with the 12 gauge brown accessory wire which runs to the fuse panel and powers the heater, wiper. and the turn signal flasher. I would start at the flasher by swapping the hazard flasher with it. If the hazards work then the flasher is good and I would proceed to the steering column connector. Unplug it and check the purple wire in the center of the harness side for 12 volts with the key on. assuming you have a volt meter.
If you get 12 volts there then the turn signal switch is probably bad. The wires are good because the hazards work and the turn signal indicator lights don't work because they are wired into the turn signal light wires, which don't work.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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#3 | |
Still plays with trucks
Join Date: Jul 2009
Location: Spokane, WA
Posts: 3,556
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Re: Turn Signal need help
Quote:
If they still don't work after that then I would check the fuse for the signals itself. Pull it out of the fuse box and make sure it has not separated internally. Gently pull the two ends in opposite directions and see if one of the caps comes off. I have had them fail this way and not make sufficient contact to operate the wiring circuit they supply power to but still pass a continuity check with a tester when they are in the fuse box. They look perfectly fine from the outside. Quick test and worth checking before you dig into the steering column to pull the turn signal switch out which is the next step once you verify you have good power through the fuse and a functional turn signal flasher module.
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miSSed opportunity - ground up creation of an AWD 1994 454 SS that never was http://67-72chevytrucks.com/vboard/s...d.php?t=795577 69 C10 shortbed stepside 400 small block - built like what a super sport truck could have been 69 K20 lwb TBI 350 4L60E NP208 14-bolt Dana-44 w/disc 68 Camaro SS / RS 500hp 439 inch roller cam big block 4L80E 79 Malibu TPI 350 4L60 w/ Z28 steering & sway bars |
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#4 |
Registered User
Join Date: Aug 2016
Location: Danville Wv
Posts: 266
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Re: Turn Signal need help
Thanks it was a bad fuse works perfect. Appeciate all the input everyone!
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