Question about 1989 Chevrolet C/K 2500

1 Answer

4x4 not working when i shift it in 4x4 auto trans

When i shift the floor lever into 4x4 it dosn't engage the front axles

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  • ragity1956 Dec 16, 2008

    now as you told me to i checked for power and i have none now would the switch on the transfer case have anything to do with this?

  • ragity1956 Dec 18, 2008

    no power at all in it

  • ragity1956 Dec 18, 2008

    yes i did sorry that was my first move thanks anyway fuse

  • ragity1956 Dec 18, 2008

    yes i checked the fuse first and just in case even used the olm meter to be sure

  • ragity1956 Dec 19, 2008

    well the only thing i can say is i think both the actuator and 4x4 switch are both gone at once very odd but niether are working and i tried as a mech said here to test the actuator by itself doing so it is dead and the fact i have no power tells him that switch is bad as well

    so i am told seeing as wires are good done a continuity test on them

  • ragity1956 Dec 19, 2008

    hey you guys thanks for all the help greatly apreciated and gave me a lot of directions to go

    thanks again Ralph

  • Anonymous Mar 18, 2014

    need a shift lever on side of auto trans

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  • 124 Answers

Find the accuator on the front axle it has a two wire pigtail and threads into the axle housing. Check for power and ground if you have both when the transfer case is in 4x4 the replace the accuator. They are available at most parts stores and are a very common problem. Let me know how it goes.

Posted on Dec 16, 2008

  • 1 more comment 
  • mikehumble Dec 17, 2008

    It could check for power in and out. The switch should make power out when shifted to 4x4.

  • mikehumble Dec 18, 2008

    Have you checked the fuse?

  • mikehumble Dec 18, 2008

    Im sorry but iam out of ideas besides tracking the wires for damage. One thing that works on the newer trucks with push button is cycle the key on and off 5 times

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