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How do you bypass a radiator fan relay so the fan will run whenever the engine is on a 94 Chevy Cavalier?
Wiki User
∙ 9y ago
By running a ground wire-(jumper) across the terminals on the fan motor relay.
Find the terminals that connect to the relay's switch, and short them out like the relay would do.
Doing this will burn the electric fan motor out very quickly. Your best bet is to replace the relay and possibly the coolant temperature sensor. The sensor is about $16 and the relay about $14 and the fan motor about $38-$50 at Autozone.
Wiki User
∙ 9y ago
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How do you bypass a radiator fan relay so the fan will run whenever the engine is on a 2000 Chevy Cavalier?
This is unwise, an engine that is not near 195 degrees is not running efficiently. The ECM and BCM control the fan.
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Should be in a removable housing at the engine end of the upper radiator hose
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4 Cyl.?Look at the lower end of engine behind radiator
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How do you bypass a radiator fan relay so the fan will run whenever the engine is on a 2003 Chevy Cavalier?
Nevermind. The problems turned out to be the dash cluster is bad. No reason for the fan to come on as the engine never really gets warm. Mr Goodwrench proved the dash read 35 degrees higher than it should. BTW; There are two relays in the fuse holders on the left fender. One is for the radiator fan, the other is the inside compartment heater fan. You could just swap them IF you suspect a bad relay.
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Look for a removable housing at the engine end of the upper radiator hose
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