Bed Wiring Problem
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Laughing Gas
Joined: Jul 2012
Posts: 1,123
Likes: 0
From: Southern Illinois
Bed Wiring Problem
Ok, so I am putting a new harness on the bed of my 78, but I am not sure which wire does what. Sorry for ignorance.
So, the truck has 4 wires coming off of it.
Brown
Green
Yellow w/Black Stripe
Black w/Red Stripe
The harness has 5, but one is obviously a ground.
Black - Ground
Brown - Marker(? Harness didnt come with sidemarker connections, so idk what they mean by marker)
Yellow - Left turn signal/brake
Green - Reverse
Dark Green - Right Turn Signal/brake
So I just need to know how these connect.
So, the truck has 4 wires coming off of it.
Brown
Green
Yellow w/Black Stripe
Black w/Red Stripe
The harness has 5, but one is obviously a ground.
Black - Ground
Brown - Marker(? Harness didnt come with sidemarker connections, so idk what they mean by marker)
Yellow - Left turn signal/brake
Green - Reverse
Dark Green - Right Turn Signal/brake
So I just need to know how these connect.
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Here's what the factory wiring diagram says:
Blk/rd= backup lights
Black= side marker, tag lights (on styleside)
Brown=tail lights, tag light (on flareside)
green= RH stop and brake
Yellow/blk= LH stop and brake
Blk/rd= backup lights
Black= side marker, tag lights (on styleside)
Brown=tail lights, tag light (on flareside)
green= RH stop and brake
Yellow/blk= LH stop and brake
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
Wire colors coming from the truck:
BROWN: running light circuit
YELLOW with BLACK stripe: driver-side stop/turn
GREEN: passenger-side stop/turn
BLACK with RED stripe: backup lamps
EDIT: Mike beat me to it; my internet is slow right now.
BROWN: running light circuit
YELLOW with BLACK stripe: driver-side stop/turn
GREEN: passenger-side stop/turn
BLACK with RED stripe: backup lamps
EDIT: Mike beat me to it; my internet is slow right now.
Thread Starter
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Laughing Gas
Joined: Jul 2012
Posts: 1,123
Likes: 0
From: Southern Illinois
Thank you guys. Got it all wired up! Almost ready to set the bed on it. Just need my sending unit and bed bolts which both come in tomorrow!
Pics will be on my build thread linked in my sig!
Pics will be on my build thread linked in my sig!
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