Put an Ohm meter on the two lugs where the wires attach. Positive on one and negative on the other. You are checking to see if you have a break in the circuit of the defroster element. That may be why it wont work.
1990 325i Convertible Rear Window Defroster
My Defroster is not working on my 1990 325i Convertible. What are some possible causes?
It has a separate hard top, installed with 2 wires connected, dash switch light is only illuminated when head light switch is in middle position. Button goes out when pressed.
It has a separate hard top, installed with 2 wires connected, dash switch light is only illuminated when head light switch is in middle position. Button goes out when pressed.
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