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Forgot to mention a couple of things - I bought brand new harness for each of the lightbulbs above and also cleaned them with alcohol, and this is still happening. I don't know why but it only happens in the winter/cold.
Forgot to mention a couple of things - I bought brand new harness for each of the lightbulbs above and also cleaned them with alcohol, and this is still happening. I don't know why but it only happens in the winter/cold.
Have you visually confirmed whether the lights are actually working normally? It's possible that this is very intermittent, such as poor connection. Dielectric grease can help with that.
Is the assembly in your 2007 unit incandescent or LED?
Have you visually confirmed whether the lights are actually working normally? It's possible that this is very intermittent, such as poor connection. Dielectric grease can help with that.
Is the assembly in your 2007 unit incandescent or LED?
Thanks for replying Wes!
And yes I've visually confirmed the lights are actually working normally. It is intermittent - looks like this issue is happening when it's cold/winter time. Where would I put the dielectric grease? Between the harness and the bulb?
And the assembly in the 2007 unit is incandescent.
Given that it is happening for all of the bulbs in the assembly, I think the problem is likely occurring at the location where those wires have a common plug into the larger system, so that's the place to check. I am not sure where that is on the 2007. Mine is a 2014, and I believe the wires plug into a box that is at the right rear corner of the cargo bay (not overly difficult to access). It is also possible that there is a location somewhere along there that is allowing the wires to become abraided by mechanical action. If they are shorting to the body intermittently, then this could lead to similar symptoms as a bad plug connection... and the only way to know is to trace the line.
Given that it is happening for all of the bulbs in the assembly, I think the problem is likely occurring at the location where those wires have a common plug into the larger system, so that's the place to check. I am not sure where that is on the 2007. Mine is a 2014, and I believe the wires plug into a box that is at the right rear corner of the cargo bay (not overly difficult to access). It is also possible that there is a location somewhere along there that is allowing the wires to become abraided by mechanical action. If they are shorting to the body intermittently, then this could lead to similar symptoms as a bad plug connection... and the only way to know is to trace the line.
Oh I should have been more clear, it is only happening for the left brake, left rear, and rear left turn signals. Every thing else is good.
I'll take that into consideration for the wires for in the common plug though - time to start tracing that line.
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Q7 2007 - Lightbulb warning in car?
