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Q: my 99 chey silverado 1500 the two front wheel will not engae when the truck 4wd
on 1999 Chevrolet Silverado 1500

i notice when i push the button on the shifter it does not light up
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This is a very common problem and is usually due to the selector switch. The one I mean is a three button switch located at the left of dash above headlight switch. Another cause may be the actuator on the transfer case. If you can swap out the switch with a freinds to check operation that would be cheapest. Then buy your own if this is the problem I suspect.
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