Factory TPI wiring harness

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Old 09-23-2014, 07:57 PM
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Car: 1987 trans am, 1988 Formula
Engine: 305 LG4, 305 LB9 TPI
Transmission: 700R4 in both
Factory TPI wiring harness

I have a factory TPI wiring harness that was pulled out of an 85 or 86 Camaro and has been sitting on my shelf for a while and needs to be gone. There are a lot of good connectors if your factory harness is missing some or this could be made to work on a conversion. Comes with what I believe are 2 control modules, possibly for the ESC and the computer that came with the harness. I'm sure the computer could be repurposed and a EPROM customized for someone needing a housing to put it in.. $120 takes it all. FREE SHIPPING WITHIN US ONLY. Paypal and Money orders accepted. And now for the pictures.

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Old 09-24-2014, 07:12 AM
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Car: 1987 trans am, 1988 Formula
Engine: 305 LG4, 305 LB9 TPI
Transmission: 700R4 in both
Re: Factory TPI wiring harness

I should have realized this but this is an 85 harness that would have to have burnoff relays in order to work and the ecm is also the 870. I know the 85 tpi systems are pretty much shunned due to that fact but someone wanting to make a custom harness or replace a missing connectors and have spare ones for when the others get brittle and break to pieces then this would work
Old 09-24-2014, 10:46 PM
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Car: 1990 Pontiac Firebird Formula
Engine: 89 Camaron IROC-Z 350
Transmission: 700R4
Axle/Gears: 3.23
Re: Factory TPI wiring harness

Would this possibly work in a 90 Firebird with a 350?
Old 09-25-2014, 09:37 AM
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Car: 1987 trans am, 1988 Formula
Engine: 305 LG4, 305 LB9 TPI
Transmission: 700R4 in both
Re: Factory TPI wiring harness

It more than likely would have to be modified to a speed density setup since 90-92 changed to that from MAF. Since this is an 85 harness the MAF burnoff relay would have to be eliminated for sure along with changing over to speed density. Its not something that could be plug and play if your wanting that.
Old 09-29-2014, 01:00 PM
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Car: 1987 trans am, 1988 Formula
Engine: 305 LG4, 305 LB9 TPI
Transmission: 700R4 in both
Re: Factory TPI wiring harness

$100 w/ free shipping. Money order & paypal accepted. Need the shelf space.
Old 10-01-2014, 03:58 PM
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Car: 1987 trans am, 1988 Formula
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Transmission: 700R4 in both
Re: Factory TPI wiring harness

$90/ free shipping to us only.
Old 11-22-2014, 06:28 AM
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Car: 1988 Iroc-Z28
Engine: TBI 305 Bored 30 over mild Mods
Transmission: 700R4
Axle/Gears: Stock
Re: Factory TPI wiring harness

Still up for sale ?
Old 11-27-2014, 08:33 PM
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Transmission: auto,auto
Axle/Gears: 273?277
Re: Factory TPI wiring harness

whats a burn off relay and hows it work? Im fixing to try putting a 87 350tpi into my 85 z28 that was a 305tpi and trying to get ready.also have a 86 that had engine bay fire im needing to fix.
Old 11-30-2014, 01:58 PM
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Car: 1987 trans am, 1988 Formula
Engine: 305 LG4, 305 LB9 TPI
Transmission: 700R4 in both
Re: Factory TPI wiring harness

85 & 86 TPIs had a maf burnoff relay and control module that heated up the wires inside the MAF sensor and burned off any crud that might accumulate on them. My ecm does not have the control module that is usually sitting right on top of the ecm since I did not get it when I acquired this one.
This might show the pic of what the ecm would look like with the computer and module for the burnoff system.
http://www.google.com/url?sa=i&rct=j...17463705929809
Old 03-06-2015, 11:25 AM
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Car: 1987 trans am, 1988 Formula
Engine: 305 LG4, 305 LB9 TPI
Transmission: 700R4 in both
Re: Factory TPI wiring harness

Bump/ This is still for sale.
Old 03-06-2015, 05:13 PM
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Car: 1988 Iroc-Z28
Engine: TBI 305 Bored 30 over mild Mods
Transmission: 700R4
Axle/Gears: Stock
Re: Factory TPI wiring harness

Originally Posted by dcd2236
Bump/ This is still for sale.
Send me PayPal info and I'll take it off your hands !
Old 03-06-2015, 05:35 PM
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Transmission: Tremec T-56
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Re: Factory TPI wiring harness

Originally Posted by 321FormulaGuy
Would this possibly work in a 90 Firebird with a 350?
No, that won't work in a '90
Old 03-10-2015, 07:29 AM
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Car: 1987 trans am, 1988 Formula
Engine: 305 LG4, 305 LB9 TPI
Transmission: 700R4 in both
Re: Factory TPI wiring harness

I sent you a pm with that paypal info you requested.
Old 03-16-2015, 11:33 AM
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Transmission: 700R4 in both
Re: Factory TPI wiring harness

This is SOLD.
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