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Dave Nova
Dave Nova, Oldsmobile Tech
Category: Oldsmobile
Satisfied Customers: 597
Experience:  ASE Master Certification. GM World Class Certification
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2000 oldsmobile silhouette, No power to fans relay, fuse,

Customer Question

2000 oldsmobile silhouette,
No power to fans
relay, fuse, and fans replaced
Submitted: 11 months ago.
Category: Oldsmobile
Expert:  Dan replied 11 months ago.

Hello, my name is***** cooling fans turn on if you start vehicle and unplug the coolant temp sensor? Thanks.

Customer: replied 11 months ago.
no, and i cant force them with the AC either
Expert:  Dan replied 11 months ago.

Ok, unplug the PCM and ground the dark green wire at pin 6 and that should turn fans on at low speed. Ground pin 5 and pin 6 at the same time and fans should turn on at high speed. Let me know how it goes, thanks.