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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 54022
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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I have a Mercedes W124 with no power to the right rear

Customer Question

I have a Mercedes W124 with no power to the right rear marker light. The bulb and socket test okay. There is no power to the connector and the bulb out indicator on the dash is on
Submitted: 1 year ago.
Category: Mercedes
Expert:  Kevin replied 1 year ago.

Sorry ignore incorrect question

Expert:  Marty replied 1 year ago.

Hi, my name is***** you are not getting power to the connector there must be a break in the wiring or a poor connection between the bulb failure monitoring unit and the connector. What color is the wire that you are testing for voltage?

Customer: replied 1 year ago.
Green with a white stripe
Expert:  Marty replied 1 year ago.

I show a white/green/black wire for the right rear side marker. Can you double check the wire colors?

Customer: replied 1 year ago.
I removed the bulb failure monitor, cleaned the contacts and reinstalled - lamp now works. Thanks
Expert:  Marty replied 1 year ago.

That makes more sense than no power to the connector. Glad you got it squared away.