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Shift the transmission into N first, then pull the transfer case into LO-LOC or HI-LOC, for a automatic trans, or 4HI, or 4LO for a manual transmission. Put transmission back into drive and take off. If your truck has manual locking hubs, they will need to be turned to LOCK to engage the front axle.

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Q: How do you put a 1978 gmc into 4 wheel drive?
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Related questions

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