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This is caused by one of two things, if the fan is controlled by the thermo switch even when the car is off, then either the thermo switch or the relay is stuck on. If the fan never runs when the car is off, then it's a stuck or shorted relay.
i am currently having a over heating problem with my vw golf mk1 - my new thermo switch is not getting the fan to come on ( works when i short it at the switch connector) - probly a radiator block usually when a thermo switch is not functioning - i will not allow the fan to kick in it either works or it dosent
I have same...Fan Controller on front clip bad, or shorted lower radiator thermo switch, drivers side.
The 1990 Honda Accord thermo fan relay switches can be found in the fuse box. The Thermo fan relay switch is will be at the bottom of the third column.
where is the gas fuse located in a malibu
In the relay box under the hood.
I have the same problem 1998 Suzuki we have to check the oil temp indicator light thermo- switch. Check for loose connection's or for any shorts or a defective thermo-switch.
I want to know where the thermo switch of land rover discovery 1996 located in the car.
Switches are usually made of Thermo Setting Polymers. Bakelite is an example.
A thermoswitch is the device by the radiator, that switches on the fan as soon as the engine/ radiator reaches a set temperature
A thermo time switch is a temperature sensor device normally used to turn on a cold start injector in German cars. The cold start injector is an extra injector normally mounted in the intake manifold. The thermo time switch will allow current through it to your cold start injector for a few seconds ( 3 - 8 depending on the make and model of car ) when the engine is cold and first started. This puts extra fuel in the system and helps it start. If your thermo time switch fails you may have a hard time starting when cold or, more commonly, a difficult time starting the car when hot. The problem in the latter case is the extra injector flooding the car when trying to start it.
it depends upon the application; a more advanced model may have a thermo-switch.