What is the "com." on the stock radio wiring diagram?
Hey guys,
I'm just working on installing my aftermarket and I've run into a little snag. I'm working on getting my rear amp/speakers going. I have got the rear speakers working but the sound coming out of them is really weak. So far I have wired the pre-amp wires via RCAs and I have hooked up the remote turn on wire and now there are 2 wires left that I have no idea what they are and I'm thinking it may be the cause of my speakers being very weak.
Here is the wiring diagram with the com. wire circled:

Does anybody know what that wire is for?
Thanks!
I'm just working on installing my aftermarket and I've run into a little snag. I'm working on getting my rear amp/speakers going. I have got the rear speakers working but the sound coming out of them is really weak. So far I have wired the pre-amp wires via RCAs and I have hooked up the remote turn on wire and now there are 2 wires left that I have no idea what they are and I'm thinking it may be the cause of my speakers being very weak.
Here is the wiring diagram with the com. wire circled:

Does anybody know what that wire is for?
Thanks!
Well my original thoughts were that this was a ground wire but I tested it with a DMM and that is not the case. I have since then got the rear speakers working so whatever these wires are, they are not needed to power the rear speakers.



