Question about 1991 Chevrolet K1500

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4 wheel drive shifts in on floor but does not engage electrical ?

1992 chevy 4 wheel drive pickup

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Its in side of front diff,,, unscrews,,like a bolt,,, to check ,, take it out ,, then plug the wires up ,,ground it,, turn on your 4x4 switch,, see if it extends out,,all the way,if not its bad,could be the wiring to, you can check it with a 12v battery on the work bench to,the switch in the dash could be bad if itss blinking

Posted on Feb 21, 2015

  • taterhead 3e Feb 21, 2015

    Sorry thats description i gave was for a latter model,,, it is on side of diff

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There should be a front diff lock actuator right in the side of the front differental that has an electrical connector that u have to unconnect and unscrew the actuator and replace. this part will run you about $100 and should take about 10 minutes to install. or another alternative is they have a manual kit out that replaces the actuator and it is a pull cable instead of an electrical job.

Posted on Jan 15, 2009

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