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1990 Chevrolet S10 Blazer Question: Hooking up radio



, Elizabethton, TN, October 29, 2010, 13:40

I need the color codes for the wiring. The colors don't match the ones on new one

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  • Answer #1

    October 29, 2010, 16:28

    here is a link to a very good online repair manual with wiring diagrams and wire colors.


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  • Answer #2

    Visitor, March 09, 2011, 17:23

    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

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