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Ask Peter Bagley Your Own Question
Peter Bagley
Peter Bagley, Toyota mastertech
Category: GMC
Satisfied Customers: 563
Experience:  master tech at Toyota dealer
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Lights on right tail light goes out when push brak, Yes

Customer Question

Lights on right tail light goes out when push brak
JA: Have you checked the bulbs? Have you checked the connection?
Customer: Yes changed bulbs
JA: What is the model/year of your GM?
Customer: 07 yuko
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: Changed bulb
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 3 months ago.
Category: GMC
Expert:  Peter Bagley replied 3 months ago.

Hello and welcome to just answer, my name is ***** ***** master tech here to help I cannot see or hear your vehicle so I rely on your input so I can help you better. I read your input and have a question before we start. Are these factory tail lights and not been modified? does it have a trailer towing light package?

Customer: replied 3 months ago.
Factory lights an yes it has towing light package
Expert:  Peter Bagley replied 3 months ago.

thanx for that info, the problem is in the rear of your vehicle , did you make sure the bulb is a double filament usually no. 1157? also no corrosion on the connectors? after cheching that and all is good I would disconnect the trailer towing modual and see if tha corects it as they sometimes short out internally.

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