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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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08 Chevy Uplander - I have an issue with my turn signals.

Customer Question

Hello Pearl. 08 Chevy Uplander - I have an issue with my turn signals. Front & Rear turn signals will not work when headlights are on. With headlight off, all works fine. With Park Lights or Headlights on, front and rear passenger side blinker will not work. Any advise?
JA: Have you checked the fuses? Have you checked the bulbs?
Customer: Yes. Fuses are all good. All four bulbs have been replaced. Hazards also work with or without the headlights on.
JA: Are you fixing your Uplander yourself? What have you tried so far?
Customer: We have changed all four turn signal bulbs with 3 new sets. We have inspected all fuses. We have swapped bulbs from Driver to Passenger side. The issue is still ongoing. Only the right side turn signals will not function properly when the Headlights are in use. Hazard lights are not affected.
JA: Anything else you want the mechanic to know before I connect you?
Customer: That's about it.
Submitted: 5 days ago.
Category: Chevy
Expert:  Tool Hut replied 5 days ago.

Hi, My Name is ***** ***** for posting your question to just answer. I am a independent contractor for just answer. ASE Certified Master Auto Technician with 20 years experience. I am confident we can resolve your problem together.Please remember I don't know your skill level. I can't see, smell, hear, or touch the vehicle. It may take a few back and forth replies to get to a satisfactory resolution.There will probably be some equipment needed for a proper diagnosis. If you are not comfortable with this or do not have any test equipment please let me know ASAP. I also give you all of the information you may need in good faith expecting a positive rating. I am not compensated for my time until you leave a positive rating. Your rating should be based on the service you received.

Just so I am clear. Your passenger side turn signals do not work only with the lights on? Correct?