I had the same problem with my 99 Chevy 4WD, but I just went and
bought a new dash push button switch from the dealer insteaded of
taking apart the old one. My cost with sales tax was around $45.
Easy replacement, just gently pull the plastic dash off (top and left
side first) and then I used a long narrow thin bladed screwdriver to
gently pry the old switch out and replace. Took less than 30 minutes.
I did take the old switch apart later and found three bad, broken,
cold solder joints on the bottom connector pins. I could of fixed, but
for the price, just replacing the switch worked for me.
A BIG Thank You to the folks on this NewsGroup for the Help!!!
I think if you check again, you will find the price is dropping.
I think the last one I got was under 100 dollars. Still ridiculously
high for what you get (especially considering the problems they
have with this switch).
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