My car has a single fan for the cooling system. Where can I find a switch that will turn the fan on at a lower temp.? I have found switches for dual fan systems, not for single fan.

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86 iroc, tpi, compucam, headers, pace-setter cat-back, stageII chip, afpr, air foil, filters, maf screens removed.

 

Depends on how the fan is controlled. If it's turned on/off by the ECM, then you need to burn your own chip to change the settings. If it's controlled by the temp switch, then you can use the same ones used by the dual-fan systems. Or, you can just hook up a wire from the fan relay (small ground wire) and run it to a toggle switch inside the car and then to a ground inside (under the dash near the steering column is one place).

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Greg Westphal
'87 IROC 355TPI/A4