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Click on image for the lowdown. 
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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!
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| | | | Joined: Nov 2002 Posts: 1,002 Shop Shark | | Shop Shark Joined: Nov 2002 Posts: 1,002 | You have three wires, right brake, left brake, and tail lights. The fourth is optional backup lights.
The blinker only functions on the brake lights.
The rear tail light harness should split the tail light wire for the license plate light.
Hope that helps.
LG
I don't own a vehicle that isn't old enough to drink.
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