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Need complete 1989 Iroc 350 tpi under dash wiring harness diagram

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Old Jul 30, 2013 | 12:26 AM
  #1  
duece's Avatar
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From: Somewhere in Texas
Car: 1990 Iroc Z convertible
Engine: 305 TPI
Transmission: T5
Need complete 1989 Iroc 350 tpi under dash wiring harness diagram

Does anyone have a complete 1989 Iroc 350 tpi under dash wiring harness diagram.........?

I need it from the fuse box all the way to the other side of the car to the C207 connector

I need to fix some wires.......

thanks in advance
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Old Jul 30, 2013 | 12:54 AM
  #2  
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Need complete 1989 Iroc 350 tpi under dash wiring harness diagram

Originally Posted by duece
Does anyone have a complete 1989 Iroc 350 tpi under dash wiring harness diagram.........?
Problem is there is generally not one diagram for a harness.

The diagrams are usually broken down by the individual circuits as shown in these '86 wiring links

http://92b4crs.tripod.com/86wiring/86wiringindex.html
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Old Jul 30, 2013 | 12:59 AM
  #3  
duece's Avatar
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From: Somewhere in Texas
Car: 1990 Iroc Z convertible
Engine: 305 TPI
Transmission: T5
Re: Need complete 1989 Iroc 350 tpi under dash wiring harness diagram

There are three dark brown wires that come out of the c207 connector and head toward the driver side of car.........I need to know where they go as all three are exactly the same.....and mine are all cut
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Old Jul 30, 2013 | 03:23 AM
  #4  
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Need complete 1989 Iroc 350 tpi under dash wiring harness diagram

Originally Posted by duece
the c207 connector
.........I need to know where they go
Maybe you should do a search for the C207 pinouts ?
Several to be found on here

https://www.thirdgen.org/forums/post...708-post9.html
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Old Jul 30, 2013 | 07:51 PM
  #5  
duece's Avatar
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From: Somewhere in Texas
Car: 1990 Iroc Z convertible
Engine: 305 TPI
Transmission: T5
Re: Need complete 1989 Iroc 350 tpi under dash wiring harness diagram

I followed the wires(dont ask me how) and one wire goes to the fuse box(F/P-Fan-C/H fuse location), one wire goes to the back of the right side(brown)connector(pin 8) behind instrument cluster, and one goes to the ALDL connector(pin C).....

I need to know which of these matches up with c207 pin outs A, D. and K.............

Last edited by duece; Jul 30, 2013 at 07:57 PM.
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Old Aug 5, 2013 | 03:29 PM
  #6  
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From: Somewhere in Texas
Car: 1990 Iroc Z convertible
Engine: 305 TPI
Transmission: T5
Re: Need complete 1989 Iroc 350 tpi under dash wiring harness diagram

bump
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