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  1. #1

    Default 1994 chevy 3/4 ton 4x4 not working help please

    my 1994 chevy silverado 3/4 ton truck with the 454 is having issues. the 4x4 wont engage. the fuse is till good. but when i throw it nto 4 lo or hi the hubs wont engage. all the connectors are securely connected too. and the indicator light at lever wont turn on either. any suggestions?

  2. #2

    Default

    4x4 actuator is out. It's on the front drive shaft next to the differential. It's what engages the auto lock. Little plug. Had a 90 chevy 4x4 that had the same problem. Front end would never lock down, just the rear. Replaced the actuator and it worked. It's like a 75-85 dollar part.

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