Auxiliary Fan Switch 88 GTA

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May 1, 2013 | 09:28 AM

Benjamin Hunter

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Auxiliary Fan Switch 88 GTA

I am looking for a wiring diagram to run an auxiliary fan switch for an 88 GTA. Does anyone know if there is an aftermarket pug in or does it have to be done manually?

May 8, 2013 | 05:16 AM

Ozz1967

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From: St. Cloud, MN

Car: 1984 Trans Am

Engine: LS1383 in work

Transmission: Magnum F - to be installed

Axle/Gears: Zexel Torsen 3.73, 28-spline mosers

Re: Auxiliary Fan Switch 88 GTA

Welcome to TGO!

Why do you need to run an auxilary fan switch? Does your fan not work?

May 8, 2013 | 07:27 AM

Benjamin Hunter

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Re: Auxiliary Fan Switch 88 GTA

I have a 383 stroker in it. The fans run as they should. However, I would like to run them when in staging lanes.

May 8, 2013 | 07:52 AM

Ozz1967

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iTrader: (4)

Joined: Dec 2005

Posts: 4,795

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From: St. Cloud, MN

Car: 1984 Trans Am

Engine: LS1383 in work

Transmission: Magnum F - to be installed

Axle/Gears: Zexel Torsen 3.73, 28-spline mosers

Re: Auxiliary Fan Switch 88 GTA

As I see it, you really only have a couple of options. 1. Flash the ECM and buy a colder fan switch so the fans turn on sooner. Or, buy a relay kit and wire your own toggle to turn them on, thus bypassing the ECM and factory cooling switch. I don't know how you'd bypass the ECM otherwise. Alternately you could put a colder fan switch in that would turn at least one of the fans on at 185 or 195.