Front 4x4 hubs

1997 CHEVROLET SILVERADO
170,000 MILES • V8 • 4WD • AUTOMATIC
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NICK KOSTIUK
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Hubs wont lock, fuse is okay, floor shift for transfer case, unit shifts to 4hi and 4low and 2 hi, front shaft powers and wheel shafts out of pumpkin spin, what engages the hubs? Wires to wheel assembly seem intact. wire assembly seem to terminate at brain box under hood-must not be getting signal to engage hubs. confused and Thank You!
Aug 14, 2016 at 6:07 PM
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STRAILER
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The hubs engage automatically when power is put to them. They go out often and can be the problem.

Best, Ken

Aug 19, 2016 at 7:05 PM