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on my 1994 geo prism, cant i install a stereo w/o buying an adapter?

11-14-2005, 12:01 PM
i have a 1994 geo prizm, i'm taking out the stock stereo and installing my alpine, where can i find out what color wire on stock harness? i don't want to go buy an adapter.

11-15-2005, 09:40 PM
I Belive:
Yellow=key on/acc

as for the speaker wires I'm really not sure, I found mine by trial and error. Good luck

11-20-2005, 06:06 PM
i did it an all i got to say is i wish i bought the 6 buck adapter

11-20-2005, 09:11 PM
Personally, I wish I would have known there was one made for the car. I would have bought one.

11-25-2005, 07:56 AM
yes they do have the adapter at walmart an advanceauto

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