how to diagnose cooling fans not operating on my 1994 pontiac formula 5.7

1994 PONTIAC FIREBIRD
108,000 MILES
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PERRY SOCAL
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  • 1 POST
fans do not work at any engine temp nor do they work while ac is on
Jan 17, 2012 at 7:49 PM
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RASMATAZ
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  • 75,992 POSTS
Power the cooling fan direct from the battery if it comes On, test the fan relay and the coolant temperature sensor-both okay -have the computer checked-
Jan 17, 2012 at 8:03 PM