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Type: Posts; User: tdjaster

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    SOLVED!! It was not the actuator (because that...

    SOLVED!!

    It was not the actuator (because that would have knocked out all 4wd, not just the 4HI). I was told by Advance Auto Parts that it would most certainly be a wiring issue. So I followed...
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    1,446

    Thanks for the help. Can you be a little more...

    Thanks for the help. Can you be a little more specific? I'm a tinkerer/explorer when it comes to working on my truck. I'm certainly not at the mechanic level.
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    4wd Hi not engaging

    (first time poster)

    2004 Silverado 1500 Z-71
    5.3 engine, automatic. 2wd/4wd selector is on the floor (not push button)

    My truck is not engaging when I select 4-HI. 2wd, Neutral, and 4-LO...
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