How to run the 4 wheel drive rocker switch on 1993 S-10?

I have a 1993 Chevy S-10 with just one rocker switch that runs the 4-wheel drive. Sometimes both lights blink and then I will be in 4-low. Only once have I seen the top light stay green or the bottom light stay amber. Now it either blinks all the time or both lights stay on. I am in neutral when I push the selector. What am I doing wrong?

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  • 9 years ago
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    your not doing anything wrong it is a common problem on the s10s that the vacuum switch on the transfer case goes out and then it wont go into four wheel drive. its like a 10 dollar switch at a parts store. or it could be the four wheel drive module but that's like 100 dollars so i would start with having the vacuum switch replaced.

    Source(s): i own a 94 s10 and it had the same problem
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