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Discussion Starter · #1 ·
I have a 1998 GMC Sierra 2500 6.5 diesel
I was wondering if anyone know what’s wrong with my truck
Sometimes wen I turn it on even if is cold it shuts off
And wen I’m driving it it shuts off
But it always powers right up wen put in neutral
It happens randomly almost every day
Please help
 

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Welcome to DieselPlace

Checked for any codes? If so, please post them
Any mods to your 6.5L? if so please post them.
(y)
 

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1995 GMC Suburban
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Load test the batteries one at a time.
While doing that, check all the terminal, connectors, grounds, make sure they are clean and tight.
 
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