An that case, the low hanging fruit would be to check the diodes at the back of the motor. You can find instruction ins the Wiki here.I replaced the headlight motor with another and it works. I want to see if I can repair the original motor since parts are getting harder to source.
A suggestion. Please put some info about your car and any modifications about your car in your signature. This helps us to help you.Thank you.
You can add that to your signature in the account details up at the top of the page, you can add a signature and say a little about yourself. The signature helps us quickly orient ourselves to your car. Thanks!It's a 1986 Bertone. All stick besides the Bob Brown relay upgrade to the headlights due to the voltage draw. The car is in the San Francisco Bay Area.