will not go into 4wd the light will only flash

10

Asked by Jan 06, 2014 at 09:40 PM about the GMC Sierra 3500

Question type: Maintenance & Repair

my 4wd not work I drive in 2wd only I have try to fix it but no success I replace the dash switch still no 4wd only 2wd and I can hear the transfer switch shift and the 4wd light will only flash the 2wd light is all ways on. Can someone help me with my unit.

3 Answers

20,855

Transfer case motor or 4x4 module.

2 of 2 people found this helpful.
10

is the 4wd module the one on the dash

1 of 1 people found this helpful.
20,855

It is actually in behind the dash on the left side behind the switch.

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