what wire is what
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1990 Geo Prizm
Question: changing the stereo
Answer #1patrick mannion from Greg Solow's Engine Room, June 10, 2009, 20:56Master
Grey (7.5 Amp power fuse ignition). Blue/yellow 10 amp dome light fuse (live all the time radio memory. White/green and a green wire I think are live with the panel lights turned on (not needed for after market stereos they light when turned on).
Brown is ground, LF speaker pink and a purple wire, RF speaker light green and a blue wire, LR speaker black and a yellow wire, RR red and a white wire.