radiator fan switch

2000 PONTIAC GRAND AM
111,000 MILES • 6 CYL • 2WD • AUTOMATIC
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LUPIMANIC
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i went to all i check relay sensor wires fuses thermostat can be the pcm. ????
Apr 10, 2019 at 6:16 PM (Merged)
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MMPRINCE4000
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Most cars have a fan switch that triggers the cooling fan. I could not find one in the drawing, only relays.
It may be the PCM that trips the fan relays, based on coolant temp switch.
Apr 10, 2019 at 6:16 PM (Merged)
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LUPIMANIC
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yes no swich for the fan that is very bad..
thanks
Apr 10, 2019 at 6:16 PM (Merged)
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MMPRINCE4000
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Well maybe not so bad, change the coolant temp sender.
Apr 10, 2019 at 6:16 PM (Merged)