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need help 89 iroc

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Old Jun 12, 2012 | 12:46 PM
  #1  
lt1zr28's Avatar
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From: Chevy show room
need help 89 iroc

On TPI I have a wire with the end broken off it is about 2 foot long and black in color.It starts as a green wire about 3 in. with a black connector then the black wire.It is in the main harness at the back of the motor on driver side.Have attached a pic.Any help would be greatly appreciated.Thanks
in advance.
Attached Thumbnails need help 89 iroc-061012121535.jpg  

Last edited by lt1zr28; Jun 14, 2012 at 12:53 PM.
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Old Jun 14, 2012 | 12:51 PM
  #2  
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From: Chevy show room
Re: need help 89 iroc

Doesn't anyone have this wire?Because i know i'm not the only one with a TPI motor.
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Old Jun 16, 2012 | 12:00 PM
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From: Portland, OR
Car: 1988 IROC
Engine: 5.0 TPI
Transmission: 5 spd T5
Axle/Gears: G80,G92,3.45
Re: need help 89 iroc

It looks to me like the one that goes over to the temperature sensor that is up on the manifold under the intake plenum. It is the one that goes to the computer, not the temperature gauge, that one is between spark plugs 1 & 3.

Last edited by PDX88IROC; Jun 16, 2012 at 12:29 PM.
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Old Jun 16, 2012 | 12:35 PM
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From: Portland, OR
Car: 1988 IROC
Engine: 5.0 TPI
Transmission: 5 spd T5
Axle/Gears: G80,G92,3.45
Re: need help 89 iroc

Originally Posted by PDX88IROC
It looks to me like the one that goes over to the temperature sensor that is up on the manifold under the intake plenum. It is the one that goes to the computer, not the temperature gauge, that one is between spark plugs 1 & 3.
Correction...I think it is the EGR Temp Sensor wire.

https://www.thirdgen.org/forums/engi...connector.html

See the connector goes from dk green to black.

Last edited by PDX88IROC; Jun 16, 2012 at 12:40 PM.
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Old Jun 16, 2012 | 08:57 PM
  #5  
lt1zr28's Avatar
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From: Chevy show room
Re: need help 89 iroc

Originally Posted by PDX88IROC
Correction...I think it is the EGR Temp Sensor wire.

https://www.thirdgen.org/forums/engi...connector.html

See the connector goes from dk green to black.
That is it.I figured it out last night. I appreciate your reply. No one else seemed to know or didn't want to help. Thanks again.
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Old Jun 16, 2012 | 11:07 PM
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: need help 89 iroc

Originally Posted by lt1zr28
No one else seemed to know or didn't want to help.
Might have got a better response if your heading said " unidentified wire"
and you posted in the electronics section where wiring experts hang out ?
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Old Jun 17, 2012 | 01:33 PM
  #7  
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From: Chevy show room
Re: need help 89 iroc

Originally Posted by vetteoz
Might have got a better response if your heading said " unidentified wire"
and you posted in the electronics section where wiring experts hang out ?
I posted here because i have a TPI motor and figured anyone with a pre 90 tpi could take a look at theirs.As others would not have this wire.As for my heading that was so every one would know what i was dealing with.I usally check New Post when ever i'm on here thaught others might to.
Really no bigdeal.
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