Rear body ground problems

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M

misterss427

Junior Member
Joined
Feb 28, 2023
Posts
1
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0
Location
Tenn
First Name
mike
Truck Year
1985
Truck Model
gmc
Engine Size
468
Having issues with both rear lights and fuel gauge ground on 1985 stepside. Anybody have the diagram of how rear harness is grounded to body
 
fast 99

fast 99

Full Access Member
Joined
Dec 31, 2021
Posts
2,012
Reaction score
2,903
Location
Spokane, Washington
First Name
Brian
Truck Year
81,85
Truck Model
K20
Engine Size
350
There is a ground behind the rear reflectors. Fuel gauge is grounded at the sender. That wire is sometimes attached to frame top rail near the tank. Also grounds at the core support, engine to battery and body. Another ground near emergency brake assembly. I added additional grounds, more never hurts.
 
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