I need the color codes for the wiring. The colors don't match the ones on new one
Hooking up radio on 1990 Chevrolet S10 Blazer
here is a link to a very good online repair manual with wiring diagrams and wire colors.
1 more answer
i had the same problem well kinda i had to hard wire my stereo in my blazer i found the color codes for the wires on google.com i just typed in wiring diagram or color codes for 1990 blazer s10 and one the first page that comes up i looked around a little and found it and my stereo works great