The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

**damnyankee36** · 05-06-2017, 06:40 PM

No, that's just the rheostat to dim the instrument cluster lights. Have you tried disconnecting the firewall connector that houses the two blue wires?

05-06-2017, 06:40 PM	#13
damnyankee36 Senior Member Join Date: Sep 2002 Location: Alamogordo, NM Posts: 677	Re: Tail light ground problem? No, that's just the rheostat to dim the instrument cluster lights. Have you tried disconnecting the firewall connector that houses the two blue wires?