I have some questions about installing an aftermarket radio. My Express is a 2005 2500. I'm installing a double din radio and have(foolishly) cut the connector from the stock radio wiring harness. I'm having trouble finding a schematic that shows what all the wires in that harness are for. GM for so...

Hello all, new here and have an issue I need help with. Maybe someone has experienced this as well... 2005 Express 2500 6.0 gas engine. Yesterday while almost immediately on start up the cluster lights all came on and the gauge needles dropped off. It would do this while driving staying off and on f...