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Ambient light sensor confusion
I just picked up a 2000 Yukon XL with only 117k miles. It was parked and seldom used. I’ve been knocking off a lot of ugly. I need a tow vehicle and this is perfect. 5.3l, positrac with 3.73 gears and little rust. I added wheels and a 6” lift kit. The OBD shows code B2647, ambient light...
