Rev
Forum Newbie
Posts: 6
Loc: Southeastern Arizona
Reg: 06-19-12
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 06-19-12 09:09 AM - Post#2239100
Howdy, my 79 year old buddy forgot how the wires go into his new switch he bought. there are 5 wires: pink/black, tan/white, green, blue, brown.
on the back of the switch there are 2 posts on one side and 3 posts on the other. what colors go to what posts?
Thank you, sure appreciate your time!
hellonwheels1957@hotmail.com
Edited by Rev on 06-19-12 09:11 AM. Reason for edit: No reason given.
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 gchemist
Senior Chevytalk Moderator
Posts: 20885
Loc: Austin, TX 78748
Reg: 05-09-00
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06-19-12 09:33 AM - Post#2239106
In response to Rev
Welcome to the site. You can find wiring diagrams here: http://forum.73-87chevytrucks.com/smforum/index.ph...
Cool Avatar.
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
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Rev
Forum Newbie
Posts: 6
Loc: Southeastern Arizona
Reg: 06-19-12
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 06-19-12 10:01 AM - Post#2239122
In response to gchemist
Howdy, thanks for the diagrams, ive been seeing them, but the color codes dont match his trucks wiring and i cant figure out the switch diagram(stupid huh?)
5 posts, 5 colored wires. 2 posts on one side, 3 posts on the other. He says its a 78 silverado ?, ive seen posts that say chevy has changed color codes differently almost every year.
sure would like to see the correct code for 78.
thanks again
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gchemist
Senior Chevytalk Moderator
Posts: 20885
Loc: Austin, TX 78748
Reg: 05-09-00
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06-19-12 11:18 AM - Post#2239142
In response to Rev
Did you try these?
http://forum.73-87chevytrucks.com/smforum/index.ph...
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
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Rev
Forum Newbie
Posts: 6
Loc: Southeastern Arizona
Reg: 06-19-12
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06-19-12 01:06 PM - Post#2239175
In response to gchemist
Great references but no cigar for what we are needing. Thanks for all the help!
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gchemist
Senior Chevytalk Moderator
Posts: 20885
Loc: Austin, TX 78748
Reg: 05-09-00
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06-19-12 03:35 PM - Post#2239210
In response to Rev
Ok, what you need is a factory manual. Try your local library. They have manuals or can get you one. I know the Library of Congress has a copy. 
I'll keep looking.
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
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Rev
Forum Newbie
Posts: 6
Loc: Southeastern Arizona
Reg: 06-19-12
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06-19-12 04:00 PM - Post#2239225
In response to gchemist
Thanks Man!  Ive been posting everywhere, someone somewhere has the answer. Its all a matter of time. I appreciate you for yours!
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gchemist
Senior Chevytalk Moderator
Posts: 20885
Loc: Austin, TX 78748
Reg: 05-09-00
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06-20-12 07:21 AM - Post#2239416
In response to Rev
I recieved a response from another board user. Here is his reply.
"I don't have a 78, but from the wire colors you posted, it looks to be the same as 77.
And for 77, the wire arrangement on the back of the switch is:
The pink/black & light green wires both go to the side with 2 terminals. The pink/black wire goes to what would be the "center" terminal if there were a 3rd on on this side.
The tan (brown) wire goes to the center terminal on the side with 3 terminals.
The blue wire goes to one of the outer terminals on the side with 3 terminals. It's the one directly across from the light green wire.
The tan/white wire goes to the other outer terminal on the side with 3 terminals. It's the one directly across from the "empty" spot on the 2-terminal side.
And just to make sure things are hooked up okay on the other end, the other end of the pink/black wire should lead to an "IGN FUSED" slot on the fusebox. The other 4 wires should go through a plug on the firewall and run back to the fuel tank area where the light green one hooks to the solenoid valve. The tan (brown) wire plugs into the tan wire that is running down along the passenger side frame rail and would have gone directly to the tank on a single tank truck. The tan/white wire goes to the pass side sending unit and the blue wire goes to the driver side sending unit. "
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
Edited by gchemist on 06-20-12 07:22 AM. Reason for edit: No reason given.
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Rev
Forum Newbie
Posts: 6
Loc: Southeastern Arizona
Reg: 06-19-12
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 06-21-12 11:26 AM - Post#2239826
In response to gchemist
  YOU ARE THE MAN!!!!!that is exactly what we've been looking for! Great job! Tell your buddy Thank You!
I can hear the old gal running soon!
The best to you and yours!
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