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73-87 Chevy _ GMC Trucks => Interior & Equipment => Topic started by: 75 C20 on May 07, 2006, 07:03:00 pm

Title: radio wiring???
Post by: 75 C20 on May 07, 2006, 07:03:00 pm

I just got a radio out of an 82 for my 75. Its got a bunch of wires but i kept it so i kno which ones are for the speakers (all but 3) The 3 that are left are BLACK,  GRAY and dark YELLOW. I assume they are all power of some sort. Is the black ground? Is either the gray or yellow for the radio itself and the other one for the light in it?? Any advice will help.

Title: Re: radio wiring???
Post by: toplessblazer on May 07, 2006, 11:19:00 pm

Black is ground, Yellow should be for 12v and I believe the gray is the positive input for the illumination.  

Title: radio wiring
Post by: 75 C20 on May 10, 2006, 04:11:00 pm

i put it in last night and it worked great. Thanks for the help.