nate00 Posted June 8, 2009 Share Posted June 8, 2009 Hi all, just got a new to me 1989 mack, and the last guy that drove it was fired and riped his tape deck out of it. i was just wondering what colors go where??? dont wanna burn up my new cd player. thanks Quote Link to comment https://www.bigmacktrucks.com/topic/9659-radio-wiring/ Share on other sites More sharing options...
David Posted June 9, 2009 Share Posted June 9, 2009 Looks like 16B is the ground. 16BN comes from the CB post (may change to R) for the hot. B, W, and G come out of the radio for the speakers. B splits to 16B and goes to both speakers. G changes to 16G and goes to the left. W changes to 16W and goes to the right. This is from a basic wiring diagram. Most radios now have an input that is always hot to keep the settings and another input that is hot only when the key is on. Good luck. Quote Link to comment https://www.bigmacktrucks.com/topic/9659-radio-wiring/#findComment-36360 Share on other sites More sharing options...
nate00 Posted June 9, 2009 Author Share Posted June 9, 2009 ok, thanks, but which speaker wire is + and what one is -?? thats what i really need to know Quote Link to comment https://www.bigmacktrucks.com/topic/9659-radio-wiring/#findComment-36365 Share on other sites More sharing options...
David Posted June 9, 2009 Share Posted June 9, 2009 I found another diagram closer to what you have. It shows:Right + 16PK-BERight - 16PKLeft + 16PK-GNLeft - 16PK-BK+ input keyed 16BN+ input (from dome light) 16OE-WEGround 16BK and 14BK Quote Link to comment https://www.bigmacktrucks.com/topic/9659-radio-wiring/#findComment-36376 Share on other sites More sharing options...
nate00 Posted June 9, 2009 Author Share Posted June 9, 2009 awesome! thanks alot Quote Link to comment https://www.bigmacktrucks.com/topic/9659-radio-wiring/#findComment-36388 Share on other sites More sharing options...
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