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Old 12-07-2008, 09:57 AM   #6
MT-2500
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Re: 98 Jimmy stuck in 4WD - Can't go to 2HI

From 4W high to 4W low the front axel and vacuum to should remain the same or locked in.
If shifted to 2W the vacuum switch on transfer case should shut off vacuum to front axel
The gear ration in trasfer case from high to low 4W is the only thing that should change on 4W High to 4WLow
The encoder motor moves the transfer case from 4Wh to 4WL position.
Giving you a low gear ratio.
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