My cooling fan want come on , but when I unplug sensor on front of my water pump fans come on
The PCM is located directly underneath the air cleaner assembly (were the air filter is housed.) I have a 96 impala too.
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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.
SOURCE: cooling fans not working on 1995 camaro z28
you have a burnt fan relay...if it were my car i ould run a jumper to the fuse panel so that when you turn the key on the fan will also come on and run.its not hard to do and it will stop the car from overheating
SOURCE: cooling fans on 2001 chevy malibu will not come on unless ac on
the relays control circuit is grounded by ECM (computer) . to check this make sure the is hot enough for the fans to be commanded on by computer and check to see if you have voltage at relay and it has ground from computer . you may need ECM.
good luck
SOURCE: 2003 impala is it a temp sensor or cooling fan switch
Maybe your radiator is clogged flush it out.
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