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Mod | | | Forums66 Topics128,103 Posts1,056,183 Members48,436 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Dec 2006 Posts: 1,464 Shop Shark | | Shop Shark Joined: Dec 2006 Posts: 1,464 | I don't have a wiring diagram for your truck but I doubt if any of those wires is a ground. The usual 3-wire set-up is:
1. tail lights (connected to the light switch)
2. left blinker/stop light
3. right blinker/stop light
The ground for all these is the bulb housings which are grounded to the bed of the truck.
These can be easily identified with a 12 volt trouble light you can buy at any parts house. | | |
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