Hey, anyone out there have a scrap harness with a good IAC plug on it? I need the square 4 wire plug for my 1990 tpi. Mine is in bad shape and I think it may be giving me idle issues . I just need the plug with enough wire left on to strip and attatch to my harness. Or does anyone know of anywhere that sells the plug?

I get all my connections from 1 of TGO's sponsors. http://www.eficonnection.com/eficonnection/default.aspx
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I also believe you can get them from TPIparts also.

I actually just found one. I did a search here for IAC plug and came up with nothing. After I made this post I had the brainstorm to look for IAC connector

Found a part number for one on yearone.com

Thanks for the info though, I just hope yearone ships to Canada.

I found one on advanced auto parts website.....http://www.advanceautoparts.com/



Dorman 4-Wire GM Idle Air Control Valve Harness: Conduct-Tite!(R)

Part Number: 85112



For Your Vehicle


Vehicle: 1988 PONTIAC FIREBIRD TRANS AM
Engine: V8 5.0 Liter FI

Idle Air Control Valve Pigtail/Connector:


Retail Price: $25.61
Our Price: $19.99
You Save: $5.62

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This one was on autozone's website http://www.autozone.com/home.htm

Connector - Idle Air Control Valve Duralast / Connector - Idle Air Control Valve

for a 1988 Pontiac Firebird



Idle Air Control Valve

Part Number: 239
Weight: 0.079 lbs.


Pricing:
$16.99




you can even try www.rockauto.com or www.tpiparts.net as well.......