2019 terrain deanli blinkeer
20

Asked by katsoftail May 24, 2020 at 08:40 AM about the 2019 GMC Terrain Denali AWD

Question type: General

My left turn signal makes a loud audible  clicking sound from the rear back left
panel when on.Right one does not. Was told it is a normal thing in 2019.
models.  Was never there until I had to have complete wire harness put in due
to faulty pin in the back right module. Did anyone ever have this?

3 Answers
40,150

TDolby answered 3 years ago

Maybe the signal relay is part of the trailer wiring? Maybe it always made the noise, but now after the repair, it is contacting the back plastic panel making it louder that you can hear it?

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katsoftail answered 3 years ago

Thank you. The dealer said he took relays from other 2019's and all of them make the same noise!! Said the 2020 do not make the noise !! SMH Very aggravating .

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Rob answered 3 years ago

My 2018 does this too. The dealership said it is “normal” since a 2019 they had does it also. SMH! Annoyingly stupid!

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