1999 Chevrolet Malibu "test coolant fan relay" Questions

coolant sensor while car is running. the fans should come on.if they do than the computer is working along with the relays. if not check for power at the fan with a test light. also wiggle the wire at

test done at radiator. If you do, that can explain the fan problem as exhaust can drive coolant down below the sensor...no sensor reading...no fan. You also need to check the fan relay and fan itself

...coolant fans are coming on when called for. if not check fuses and relay. to test fans to see if they work. run a wire from positive post on battery to positive on fan connection. run another wire ...

...coolant system. Then see is you relays for the fans are good. Basically switch them with equal relays but dont switch with primary system relays also check your fuses that may help Fan should not be ...

...coolant has been added. if the fans stopped working check in the main fuse box under the bonnet and check the relay/fuses, try swapping them with another one like the horn etc just to test to see if ...

my coolant fans wont spin. they work when tested with the battery. changed sensor and all fuses/relays are good. What could be making the fans not spin? They only spin when your coolant system reaches

...coolant temperature exceeds 106°C (223°F) The cooling fan will turn on automatically during extended idle conditions under 5 miles per hour. For diagnosis and location of the relay, refer to ...

...coolant though the overflow hose by the resevior I've had my head gaskets replaced there is no overheating no water oil mix, but my radiator fans arent working I don't think plus ...

...fan relay with another from your fuse box that is the same for testing. The most common problem is the ECT (engine coolant temprature) sensor. It is under the throttle body where the upper radiator ...

...coolant temp switch that is on the engine. On the PCM, Pin 54(dark green wire) in connector C2 controls the ground to the relay 1. Pin 59(dark blue wire) on the same connector controls the ground to ...