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Old 02-17-2009, 02:55 PM   #1
60ratrod
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73-87 wiring diagrams

anyone got some wiring diagrams for a 73-87 truck? the wiring on my 80 is rather hacked up and i'm gonna be doing some extensive wiring repairs.
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Old 02-17-2009, 03:52 PM   #2
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Re: 73-87 wiring diagrams

Some stuff here
http://www.chuckschevytruckpages.com/77fusebox.html

Poke around on the site there is some other diagrams as well..

I know I have others, I'll look

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Old 02-17-2009, 05:27 PM   #3
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Re: 73-87 wiring diagrams

Here are some 1980 diagrams for you.. And

Since I found a few more of the diagrams I had, I created a permanent web album for them. They cover 1967 - 1987 Chevy Truck and Blazer. Not complete yet, but I will add to it as I find them. If anyone wants items added, just email them drew@eyehike.com
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Last edited by Twisted78SS; 02-17-2009 at 05:47 PM.
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Old 02-18-2009, 01:50 AM   #4
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Re: 73-87 wiring diagrams

www.autozone.com has some diagrams. Click on Repair Info, then on Vehicle Repair Guides. Pick your vehicle, then click on Chassis Electrical, then look low on the right for Wiring Diagrams.
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Old 02-18-2009, 06:37 AM   #5
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Re: 73-87 wiring diagrams

I have a GM wiring diagram book for Chevy 1973 light duty trucks. I need to scan them in so I can share with all. I will try and remember to bring it to work tomorrow so I can do that.
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Old 02-18-2009, 09:31 PM   #6
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Re: 73-87 wiring diagrams

Here's a couple basice wiring diagrams for a 1980 C10, hopefully you can see the attachments. If you need something specific, I can probably narrow it down for you. Mike

Upload keeps failing, sorry.

Last edited by Dads79GMC; 02-18-2009 at 09:36 PM.
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Old 02-18-2009, 09:48 PM   #7
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Re: 73-87 wiring diagrams

well none of the attachments/scans showed up on my computer. hm....
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Old 06-03-2009, 03:37 PM   #8
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Re: 73-87 wiring diagrams

Quote:
Originally Posted by Twisted78SS View Post
Here are some 1980 diagrams for you.. And

Since I found a few more of the diagrams I had, I created a permanent web album for them. They cover 1967 - 1987 Chevy Truck and Blazer. Not complete yet, but I will add to it as I find them. If anyone wants items added, just email them drew@eyehike.com
Any update on this, do you have an address fro the site? I'm looking for an 85 diagram, bumper to bumper.
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Old 06-04-2009, 10:25 AM   #9
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Cool Re: 73-87 wiring diagrams

Try these...
- Dave
Attached Images
File Type: pdf 1980 wrg diag 01.pdf (70.3 KB, 12711 views)
File Type: pdf 1980 wrg diag 02.pdf (59.8 KB, 8758 views)
Attached Files
File Type: doc 1980fusebox.doc (64.5 KB, 4127 views)
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Old 06-05-2009, 05:07 PM   #10
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Re: 73-87 wiring diagrams

I posted this the other day, but here are the ones on my site:
http://forum.73-87chevytrucks.com/sm...?topic=11766.0
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Old 06-05-2009, 06:12 PM   #11
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Re: 73-87 wiring diagrams

Oh man, that's awesome! Thanks!
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Old 06-06-2009, 02:10 PM   #12
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Re: 73-87 wiring diagrams

Quote:
Originally Posted by captkaos View Post
i posted this the other day, but here are the ones on my site:
http://forum.73-87chevytrucks.com/sm...?topic=11766.0
u da man!!!
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Old 06-07-2009, 07:19 AM   #13
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Re: 73-87 wiring diagrams

Quote:
Originally Posted by Captkaos View Post
I posted this the other day, but here are the ones on my site:
http://forum.73-87chevytrucks.com/sm...?topic=11766.0
Chris very good stuff!
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Old 06-09-2009, 07:49 AM   #14
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Re: 73-87 wiring diagrams

COOL, I just found the answer to MY question also! Great stuff Chris!
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Old 02-05-2010, 12:19 AM   #15
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Re: 73-87 wiring diagrams

I will be printing all this.

Thanks
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Old 02-05-2010, 12:37 AM   #16
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Re: 73-87 wiring diagrams

Quote:
Originally Posted by 60ratrod View Post
anyone got some wiring diagrams for a 73-87 truck? the wiring on my 80 is rather hacked up and i'm gonna be doing some extensive wiring repairs.
here u go

http://67-72chevytrucks.com/vboard/s...d.php?t=380904
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Old 02-05-2010, 08:32 AM   #17
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Re: 73-87 wiring diagrams

I have one for a 1985 that I used to rewire mine. It is a pdf file but it won't let me upload it. If you want it or if someone can upload it for me shoot me a pm with your email.
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Old 02-06-2010, 10:17 PM   #18
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Re: 73-87 wiring diagrams

Quote:
Originally Posted by Captkaos View Post
I posted this the other day, but here are the ones on my site:
http://forum.73-87chevytrucks.com/sm...?topic=11766.0
im working on doing the diagrams in color. It wont be nice quality but it will be colored. I know someone else did one in high resolution for the 67-72 which looked great unfortunately I cant do it that way.
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Old 02-07-2010, 09:58 AM   #19
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Re: 73-87 wiring diagrams

I just have to say that you guys are awesome!!!
You won´t find that much help and patiance anywhere else i believe!!!
being here is just great!
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Old 02-14-2010, 10:37 PM   #20
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Re: 73-87 wiring diagrams

i have a complete set of electricial prints for 82 model trucks ... i purchased for the restoration of my 82 stepside...if anyone needed a copy id be happy to copy and mail them a set....
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Old 06-27-2010, 09:14 PM   #21
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Re: 73-87 wiring diagrams

Old thread, same request so thought I'd renew this one.

I need a wiring diagram specifically for an 87 chev 4x4 with dual tanks, if it even exists.

All kinds of one offs here, mostly TBI on the 73-87 body style.

I'm donoring a cab from a 2 wheel drive single tank to a 4 wheel drive dual tank system and need to know the wiring for the tank switch and where to tie in the 4wheel indicator light.

I would love to use the old wiring harness as an indicator, but the dingbat before me burnt it and then proceeded to cut it all out and throw it away.

Dummy me got the donor truck with the promise it had dual tanks, and I was too stupid to check until now..ugh. Live and learn. Any help would be appreciated guys.
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Old 11-06-2012, 09:09 AM   #22
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Re: 73-87 wiring diagrams

Name:  IMG_20121106_094722.jpg
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Does anyone have a clue where these wires go?
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Old 01-19-2013, 10:28 PM   #23
low n slow 1965
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Re: 73-87 wiring diagrams

Quote:
Originally Posted by kyleraudenbush View Post
Attachment 1008574

Attachment 1008575

Attachment 1008576
Does anyone have a clue where these wires go?
Looks like a/c wires
Posted via Mobile Device
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Old 01-25-2013, 02:28 AM   #24
Baralheia
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Re: 73-87 wiring diagrams

Quote:
Originally Posted by kyleraudenbush View Post
This harness is for the Electronic Spark Control HEI distributor on a 305, or perhaps other engines too. The connector in your hand goes to the coil (it's B+ I think), and the 4-way Weatherpak connector in the background goes to a connector coming out of the distributor for the ignition module.
Quote:
Originally Posted by kyleraudenbush View Post
I *think* this is for the tip-in vacuum switch for the lockup converter on a Turbo 350C transmission.
Quote:
Originally Posted by kyleraudenbush View Post
This is a test connector that is normally disconnected. I can not recall exactly how it's used, but it has something to do with the lockup torque converter, probably to visually see when it engages via a test light or something.

Hopefully this helps!
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Old 03-18-2013, 11:55 AM   #25
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Talking Re: 73-87 wiring diagrams

Ok i see all the wiring diagrams but im not seeing the one im needing. Does anyone have the wiring diagram for the electric windows on a 1980 silverado? All im finding is the 82-on diagram. I need the one that shows the driver side double switch with 5 prongs and the passenger side switch with 3 prongs.

Thanks in advance.
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