Cab Heater

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ugofirst

New Member
Posts
14
Location
Livingston West Lothian
How do you test the cab heater fan speed switch on a defender 90?

Problem is it works on single speed but when you slide the switch to position 2 it makes no diferrence.

searched the other topics and was wondering if I need to replace switch or resistor?

Is there a way of testing single/double fan speed with a wire link?

Cheers
 
Checked it out further today by getting "she who must be obeyed" operate the heater control whilst I kept an eye on the fan motor.
1, When she slid the fan speed control switch down to the first click the motor was stationary :(

2, Fan stationary :mad:

3, When slid right down to the bottom the fan came on :)

Any ideas what the fix will be, new switch or resistor?
 
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