Ok i bought these gauges 2 weeks old from a buddy. Im almost done installing them but my pyrometer gauge has a red and black wire coming from it aside of the wires for the probe and light. Are those for ground and constant hot or ground and switch hot?:help
A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!