Why wont my truck go into 4x4 hi .

2004 GMC SONOMA
77,000 MILES
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RIK RYBAK
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  • 1 POST
I have tried it in park,neutral and on the fly .It will go into 4x4 low when in neural only.
Jan 25, 2012 at 3:19 PM
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HMAC300
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check your switch and your encoder motor, see if the switch is giving the encoder motor power to switch it
Jan 25, 2012 at 8:19 PM