Regal V6-231 3.8L VIN L SFI (1990)
Radiator Cooling Fan Motor Relay: Locations
RH Front Of Engine Compartment
Right Side Electrical Center
The cooling fan relays are located in the right side (RS) electrical center.
Buick Workshop Service and Repair Manuals
Fan Clutch >
< Chart C-12A Coolant Fan Control Circuit|Page 2256
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