When I push the 4Hi or 4Lo switch the indicator light flashes (never goes solid on). Can you tell me what I am doing wrong?

Asked by Nov 12, 2014 at 06:32 AM about the 1997 GMC Sierra 1500 C1500 SL Extended Cab SB

Question type: Maintenance & Repair

1 Answer

109,425

You can try switching it while moving very slowly, sometimes if the 4X4 isn't used as recommended in the manual it won't shift as it should. If that don't work then check the transfer case motor it maybe bad.

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