Someone installed this cd player in my 1992 GMC Sonoma, but they failed to hook up the wire that allows radio stations to stay in memory, or to start my cd at the spot it was stopped. Now it restarts at the beginning each time. I need to know what wire to hook up and what to hook it up to. I can't find a manual for this model or a wiring diagram. I really appreciate any help you can give me. Or if you can't help, could you please point me in the right direction for some help. I am so tired of writing down my cd book track and numbers and then having to fast torward to that point. Please help me.
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clock probably doesn't stay either.....sounds likke the wiring may be incorrect...there are 2 battery + leads on these radios...One is yellow...which should be hooked up to a hot lead that is hot all the time even with the key off( you could just run a wire to the positive side of the battery)..thios lead is the memory lead that keeps stations, settings, and the clock....then there is the red lead that is supposed to be hooked up to a switched positive lead...such as the accessory lead fron the ignition switch....it's a good bet that the red and yellow leads are hooked together and that they are hooked to a switched ignition lead right now...all you have to do is disconnect the yellow lead from where is hooked now and hook it to a hot all the time then your memory, and stations should be retained
2 wires for power- one that is ALWAYS connected (remembers time, preset stations, etc.), and the other one you hook up to your ignition circuit (allows your radio to come on only when the key has been turned to ACC or RUN).
When you have wired this correctly, your radio will only come on when the ignition key is in ACC or RUN, and will ALSO remember the preset radio stations and the time, etc., when the key is turned off then back on again.
If you look at your fusebox, look for an ACC (accessory) junction that you can tap into. Also, don't forget that it's important to put a fuse in any wire you connect to a 12v+ source; don't rely on the fuse you are tapping into.
If it's the original radio, you have to hold the "set" button and press some of the other buttons to change the hour and minutes. Sorry, can't remember which ones exactly but the "set" button for sure.
you need to remove the radio and swap the red wire for the yellow wire and vice versa, they have bullet connectors to allow you to do this, basically the permanent live and the ignition live are the wrong way round.