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06 gmc duramax w allison of course. driven 250 miles, came…

Customer Question
06 gmc duramax w...

06 gmc duramax w allison of course. driven 250 miles, came out to start this morning, would not turn over, got batteries fired up, now will not shift out of low gear? any suggestions?

Mechanic's Assistant: How old is the transmission? Have you checked the brake switch?

Original trans, where would the brake switch be located and how does that affect shifting?

Mechanic's Assistant: What is the model of your '06 GMC?

2500hd, you need a trans model?

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

Trying to do it myself. truck was perfect yesterday, havent tried anything yet

Submitted: 7 months ago.Category: Chevy
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Answered in 2 hours by:
1/4/2018
Chevy Mechanic: Todd Audette, Chevy Technician replied 7 months ago
Todd Audette
Todd Audette, Chevy Technician
Category: Chevy
Satisfied Customers: 427
Experience: Chevrolet Technician
Verified

Hi my name is*****'m an A.S.E Certified Master Technician with 30 + yrs GM experience. I'm reviewing your question and would be happy to assist you. please allow me a few minutes to review and check any GM related service bulletins for your concern

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Chevy Mechanic: Todd Audette, Chevy Technician replied 7 months ago

Is the check engine light on and can you scan for any codes

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Customer reply replied 7 months ago
I figured it out myself. I put both batteries on a 40 amp charge for about an hour each. Once I did that started shifting and all just fine
Chevy Mechanic: Todd Audette, Chevy Technician replied 7 months ago

Ok glad you got it figured out

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