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Old 12-08-2020, 01:57 PM   #1
irl104
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1978 GMC 350 4X4 Wiring info wanted

I got a 1978 GMC 350 4X4 truck and needing some help with cut wiring. Coming out of the fuse box through the cowl panel. Wiring cluster under the hood that mounts to the fuse box. It goes to the engine and lights. Anyone have a schematic that shows or explains what wires goes where? Thank you for any help.

irl104

Last edited by irl104; 12-10-2020 at 06:10 PM.
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Old 12-10-2020, 06:10 PM   #2
irl104
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Re: 1978 GMC 350 4X4 Wiring info wanted

Anyone?
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Old 12-10-2020, 06:32 PM   #3
bhc41051
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Re: 1978 GMC 350 4X4 Wiring info wanted

Forum member "hatzie" has a wealth of knowledge on wiring and all things squarebody. Scroll down the first post of this link and you'll see links to wiring diagrams, manuals etc. http://67-72chevytrucks.com/vboard/s...d.php?t=754061
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Old 12-11-2020, 06:39 PM   #4
irl104
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Re: 1978 GMC 350 4X4 Wiring info wanted

bhc41051

Thank you very much for that info. That's what I was looking for.

irl104
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