1993 gmc k1500 4x4 does not work

1993 GMC C1500
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BORODINOV
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1993 gmc 1500 4x4 does not engage
Feb 10, 2012 at 8:35 PM
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CADIEMAN
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check the cable that locks the hubs check for vacuum at the servo.
Feb 10, 2012 at 9:55 PM
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BORODINOV
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The 4x4 is not vacuum operated and I already replaced the actuator and the fuse is good. Is there a relay to check, if so where would it be? It is not on the firewall and the relays near the fuse panel are not labelled as to what they are for.
Thanks
Feb 18, 2012 at 2:53 PM
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CADIEMAN
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check the servo to make sure your receiving a signal at the servo when u shift it to 4wd drive.
Feb 19, 2012 at 3:25 AM