'01 Allison - Diesel Truck Forum - TheDieselGarage.com
Thread Details Posted by gsphunter, this thread has received 1 replies and been viewed 993 times.

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post #1 of 2 (permalink) Old 12-18-2007, 10:57 PM Thread Starter
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'01 Allison

Hey guys I did a little searching on here to see if I could find a definite answer for my problem, but no such luck.

I think I've got an NBSU problem again, but not positive. My shift indicator light on the dash is not coming up in all gears. It works in Reverse, 1st, and 2nd for sure and not at all in Drive. This just started happening last night driving out of a field with snow in it. It has been wet here for a few days too since we got some snow. Driving home from work today, I noticed that it was not shifting while running at 35-40mph.

The truck has already had one new switch put on it under warranty.

Thanks for any input.
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post #2 of 2 (permalink) Old 12-19-2007, 12:57 AM
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Its either the switch itself went bad again or the wiring harness is simply loose. Snow could have gotten in there and pulled on the wiring. Ya never know....
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