...I would test the blower first with a 12 volt jumper cord from the battery made out of house lamp cord, it is not usually the problem but the blower speed control module that is next to
...if it does then replace the blower motor and the blower speed control, if it does have 12 volts at the blower motor then replace/test the blower motor switch in the heater AC control in the
12 . Detach the speed control servo. Disconnect the electrical connector. Remove the bolt. Position the speed control servo aside. Position the coolant expansion tank/windshield washer reservoir aside
Heater motor runs full time very slow, normal for ventilation purposes. When used on A/C, it still runs slowI.. When used for heat, the control has 3 speeds, none of which seem to work.. The motor has
...switch is lit so i'm assuming there is power to the switch, just no sound of the motor working. Test the blower motor speed control module and if it is ok test the motor by jumping 12 volts to
...12 volts at the motor and the wiring plug is on the rotary switch. Need a wiring diagram to see how ford is varing the motor speed, resistors, reastat, etc. and were is is. The blower motor resistor ...
Question about Mercedes-Benz SLK
...speed. When the highest blower motor setting is selected, the EATC module sends 12 volts to the blower control module through circuit CH217 (BN). Possible Causes An open, short to voltage, ground or ...
...box under the hood, if it is ok jump 12 volts to blower motor, if it runs ok then u will need to replace the blower motor speed control resistor located near the blower motor in the heater
...Speed 5 will be somewhere between 12 and 15 Volts with the Engie running. If speeds 1-4 work and speed 5 doesn't work then the problem has to be in the Relay itself or in the 7 Position Connector and ...
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