I was able to test the base am/fm factory radio for common grounds at the back of the radio and of the unused pins for the factory connector: A2-A7, B2-B7, B12. Turns out, the only one that shares a ground is A5 which corresponds to the ground location for Bose/Premium Radio models (A12 is the ground for Base am/fm Radio on 2004). As long as.. wiring diagram for 2004 Silverado.. The Bose radio only puts out a pre-amp signal so you don't need to step it down any further. Make sure you run your power wire at least 6 inches away from your RCA's when you do this install because tying in this way for some reason makes the system more susceptible to engine noise. If you're installing a.
The 2004 Silverado Bose amp wiring diagram is basically a step-by-step game plan for how to hook up a new car stereo in a 2004 Chevy Silverado. The main reason these diagrams become necessary is because components need to be hooked up in a certain order in order to ensure that they're functioning correctly and efficiently.. Our comprehensive 2004 Chevrolet Silverado 1500 radio wiring diagram shows you all the radio wire harness colors, car speaker wiring colors and car speaker sizes. Use our 2004 Chevrolet Silverado 1500 head unit pin-out guide to help you with your car radio troubleshooting and installation needs.