Why Does 4 Wheel Drive Quit?

I have a 94 GMC 1500 4X4 the 4 wheel drive worked last Sunday & today when I verbs the floor shifter into 4H it blows a fuse & the 4 wheel drive does NOT work. What is my problem ?


Answer:
There is a selinoid on the front axle that engauges the 4x4 unit. You may have broke a flex off of it and it is shorted out. I would look under the vehicle and check that first.

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