Question about 2002 Chevrolet Cavalier Coupe
I have tested the relay it is good
Blower fuse is 30amp. underhood fuse box and heater control is 10amp.under dash fuse box.disconnect the blower and connect test light to two wire to blower connector and recheck. check separate purple wire for power and orange for ground by turning different speed on the switch.If no ground replace the resistor (4 wire connector) next to the motor on heater box.
Posted on Mar 27, 2014
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Posted on Jan 02, 2017
SOURCE: Cooling fan wont work
The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.
Posted on Sep 27, 2008
since you have already tested fan and relay and both work, the problem may be the engine temp sensor. There are two sensors. One goes to instument cluster. This is engine coolant temp sensor, the other is engine temp sensor which is usually attached to engine block, sometimes they are connected to thermostat housing with the coolant sensor. You can pully the engine temp sensor and test that sensor same way as relay. (with mulitimeter)
Posted on Jun 03, 2009
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