Re: 93 4.3 no 4x4 hi
sounds like the encoder shifter motor.
I just did one on my 92 blazer. Disconect shaft at transfer case and move to the side. I belive is 3 10mm bolts holding the motor the the t-case and 8mm bolt on the harnes. The motor should slide past the front out-put shaft yoke when removed.
PLEASE NOTE !! if you engage the coder motor while its off the t-case IT WILL BE JUNK!
best price I found was 199.99 at ADVANCED AUTO PARTS.
GOOD LUCK.
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