Having problems with your 1999 GMC Sierra ?
My light sensor is out on my 1999 gmc sierra and my lights are on everytime i drive my truck, how do i replace my light sensor so my two running lights will come on during the day, not my reguler lights?
Dont mean to be rude but last time i had this problem the driver had a piece of paper on top of sensor on dash wich is located in the center top of dash. If it is out, sorry i have never had on go out to need to replace it.
Repair Help & Product Troubleshooting for 1999 GMC Sierra
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