4×4 not working correctly

Asked by Jessica Jan 09, 2016 at 02:37 AM about the 1999 GMC Suburban K2500 4WD

Question type: Maintenance & Repair

I have 3 wiring harnesses hanging
down below the actuator none of
which are connected to each
other. My problem is the 4×4 is not
working correctly it tries to lock in
but has a loud popping noise while
driving. It shows its in 4 hi but its
not could the wires hanging below

be the issue?

Jessica answered 8 years ago

Please help anything might help!!!!

Mark helpful

GuruXGTVS answered 5 years ago

Put it in 2 low have it in neutral with it running and it will come out of 4 hi then just put it in 2 hi after that I had same problem the other day.

Mark helpful

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4×4 not working correctly

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