Any one know. I have been looking for it since '88. Still can't find it.
Jason
Pictures would be great if possible

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1988 Pontiac Trans Am GTA
350 tpi, Fully Stock
BEST ET 15.4

Stereo
Alpine CDA-7864
Power Acoustik Apache Series 2200 watt amp
Two MTX Thunder 8000's in Thirdgen Box

 

I need to know where this is too, I'm assuming that's why my blower won't work on the high setting. Thanks for any help!

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'84 Z28 LG4 T-5
'92 Z28 wheels
153,000 miles
Front& rear suspension rebuild using MOOG parts
350 and WC coming in summer 2001
'70 nova 307, th350, all stock, 40,000 mi almost like new

 

It is on top of the evaporator housing, right next to the blower motor and the resistors. Follow the purple wire away from the blower motor; the square metal can it connects to is the relay.

The realy rarely goes bad. More likely, a certain connector in the battery feed to it, has burned up. If you follow the big red wire away from the relay, you will observe that it goes along the top of the firewall; about directly above the right valve cover, you will find a black connector with the red, a black, and 2 green wires in it, reduced to ashes. Crimp some of the BIG THICK yellow slid terminals on the wires, not the little weenie regular ¼" slides, but the big ones.

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