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Old 03-31-2014, 10:46 PM   #1
eighty-seven
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1987 r10 wiring harness

Okay so we took the tbi 350 that was in the truck out and put in a carbureted 350. Was wondering if I pull the computer and all the throttle body wiring harness out would my gauges, lights, etc. work. pretty much just like a pre-1987 chevy truck would be? Any info is appreciated.
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Old 04-13-2014, 03:31 PM   #2
tlcrz1972
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Re: 1987 r10 wiring harness

The engine compartment/computer harness is all attached at the firewall/fuse panel connector, that sort of puts them into a packaged harness. And the interior harness is all wrapped together starting from the fuse panel.

I would believe to do a clean removal of the fuel injected harness you would need to find an '86 engine and dash harness and swap them out completely. But that is just my guess from looking at an '87 truck with it and not having done such a swap.

If you do complete and clean (uncut) swap I might be interested in the complete computer harness.


Quote:
Originally Posted by eighty-seven View Post
Okay so we took the tbi 350 that was in the truck out and put in a carbureted 350. Was wondering if I pull the computer and all the throttle body wiring harness out would my gauges, lights, etc. work. pretty much just like a pre-1987 chevy truck would be? Any info is appreciated.
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1972 Chevrolet Cheyenne LB 1/2 ton finished restoration/rebuild 1995 350 throttle body FI, 4L6E (running on modified GM wiring harness) 3.08 posi rearend, factory A/C on 134A, p/s, p/b, late 70's power windows and locks and cruise, speakers in the dash + 6x9's behind the seat, factory tilt, 40 gallon fuel tank in the bed with integrated tool box, air assist bags on the rearend, sway bar up front and much more.

1972 chevrolet SNB finished 2002, 350 TB FI, TH400, factory A/C, p/b, p/s, (FOR SALE)

1969 Chevrolet 1 ton in work, home made PTO dump bed extended frame, 350 CI ,

1972 Chevrolet 3/4 ton suburban future project

1972 Chevrolet 3/4 ton p/u maybe a project one day

1966 Toyota Landcruiser my playtoy
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Old 04-13-2014, 07:49 PM   #3
eighty-seven
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Re: 1987 r10 wiring harness

Quote:
Originally Posted by tlcrz1972 View Post
The engine compartment/computer harness is all attached at the firewall/fuse panel connector, that sort of puts them into a packaged harness. And the interior harness is all wrapped together starting from the fuse panel.

I would believe to do a clean removal of the fuel injected harness you would need to find an '86 engine and dash harness and swap them out completely. But that is just my guess from looking at an '87 truck with it and not having done such a swap.

If you do complete and clean (uncut) swap I might be interested in the complete computer harness.
Yeah we took out the fuel injection harness and are replacing it with an older harness.
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Old 04-16-2014, 07:39 PM   #4
tlcrz1972
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Re: 1987 r10 wiring harness

Is the harness in good useable shape?




Quote:
Originally Posted by eighty-seven View Post
Yeah we took out the fuel injection harness and are replacing it with an older harness.
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1972 Chevrolet Cheyenne LB 1/2 ton finished restoration/rebuild 1995 350 throttle body FI, 4L6E (running on modified GM wiring harness) 3.08 posi rearend, factory A/C on 134A, p/s, p/b, late 70's power windows and locks and cruise, speakers in the dash + 6x9's behind the seat, factory tilt, 40 gallon fuel tank in the bed with integrated tool box, air assist bags on the rearend, sway bar up front and much more.

1972 chevrolet SNB finished 2002, 350 TB FI, TH400, factory A/C, p/b, p/s, (FOR SALE)

1969 Chevrolet 1 ton in work, home made PTO dump bed extended frame, 350 CI ,

1972 Chevrolet 3/4 ton suburban future project

1972 Chevrolet 3/4 ton p/u maybe a project one day

1966 Toyota Landcruiser my playtoy
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Old 04-16-2014, 07:53 PM   #5
eighty-seven
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Re: 1987 r10 wiring harness

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Originally Posted by tlcrz1972 View Post
Is the harness in good useable shape?
Some of the harness was cut I'm also not sure if its all there, guys before us went to town on the wiring harness clipping and rigging up random things from it.
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Old 04-16-2014, 08:06 PM   #6
tlcrz1972
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Re: 1987 r10 wiring harness

Thanks I will pass then on that.

Do you still have the computer? If so what is the numbers on it?


Quote:
Originally Posted by eighty-seven View Post
Some of the harness was cut I'm also not sure if its all there, guys before us went to town on the wiring harness clipping and rigging up random things from it.
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1972 Chevrolet Cheyenne LB 1/2 ton finished restoration/rebuild 1995 350 throttle body FI, 4L6E (running on modified GM wiring harness) 3.08 posi rearend, factory A/C on 134A, p/s, p/b, late 70's power windows and locks and cruise, speakers in the dash + 6x9's behind the seat, factory tilt, 40 gallon fuel tank in the bed with integrated tool box, air assist bags on the rearend, sway bar up front and much more.

1972 chevrolet SNB finished 2002, 350 TB FI, TH400, factory A/C, p/b, p/s, (FOR SALE)

1969 Chevrolet 1 ton in work, home made PTO dump bed extended frame, 350 CI ,

1972 Chevrolet 3/4 ton suburban future project

1972 Chevrolet 3/4 ton p/u maybe a project one day

1966 Toyota Landcruiser my playtoy
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Old 04-16-2014, 09:36 PM   #7
eighty-seven
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Re: 1987 r10 wiring harness

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Originally Posted by tlcrz1972 View Post
Thanks I will pass then on that.

Do you still have the computer? If so what is the numbers on it?
Yeah the computer is still in the truck, I will look at it some time and get the numbers for you.
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