No start..no power

thuglike

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I had my truck running in my driveway for 5 or so minutes when it shut down.
All on it's own.

I tried to restart but quickly realized I have no power. No lights, no dash, NOTHING. So naturally no crank...Hell my amp step won't even retract when I close the door.

I recently swapped injector 3 and as soon as I did, on start up, I got a U0121 code...Lost communication with ABS control Module....no biggie but today I lost the entire electrical system.

Did I knock a ground loose? The way it shut down kinda tells me its no big deal. That something finally just broke free connection wise.

Thank for the input!!!
 

sootie

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reseat the connectors at the pcm as well as the ones on the drivers inner fender.
 

thuglike

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Finally dug into this..turned out to be a bad alternator.
She looked, smelled pretty burnt up upon removal. As soon as I bypassed the Alt. problem went away. With Alt. Hooked up as normal...zero power.
 
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