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2005 Pontiac Grand Prix Repair Question


Topics covered: Door, Door lock, Door lock switch.
Mileage: 140,000 miles.

Asked on September 21, 2012

Malfunctioning door locks

I own a 2005 Grand Prix GT - in the mornings the doors will not lock using the FOB or inside door switches. However after running the vehicle for a few hours the door locks work again. This only happens when trying to lock the doors, they always open... weird.
Avatar Asked by jtorresani

Answer

Replied on September 21, 2012

It could be the door lock switches. When they are cold resistance in the circuit increases and as they get warmer it decreases. So, they are probably slowly failing, as a lot of electrical switches do, and aare in need of replacement.

Tiny Answered by DrCranknWrench (expert)
3,292 answers provided