radio

hello, i'm new here so just hoping for some assistance. having problem with my radio and speaker wiring. all of my speakers work except the drivers front door speaker. if i test the wires with a test light i get power through all wires including the negative speaker wires for all speaker...

Hi all, I’m currently installing a CB radio in my 1994 C1500, and I need to wire the coax antenna cables through the firewall. Are there any preexisting holes or grommets that I could piggyback off of, or would I need to drill a hole? I want to do as little collateral damage as possible...