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rpmdiag
rpmdiag, Tech and Instructor
Category: Chevy
Satisfied Customers: 7187
Experience:  Since 1975
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Pulled in, parked, now trying to start and have now power at

This answer was rated:

Pulled in, parked, now trying to start and have now power at all
JA: Will the headlights turn on? Is the battery fully charged?
Customer: No headlights and battery hasn't had any problems
JA: What is the model/year of your Chevy?
Customer: 2008 3/4 ton LT
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: Wasn't planning on fixing it, and only turning the key bc we have had zero problems til now
JA: Anything else you want the mechanic to know before I connect you?
Customer: not that I can think of. Thanka

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

If you are CERTAIN that the battery passes a load/specific gravity test, then check the cables at both ends for tightness and corrosion.

Thanks again and please remember to rate me 5 stars now and keep
this link in case you need me again later on.
I don’t get credit for assisting you until you rate me
Ron

rpmdiag and 2 other Chevy Specialists are ready to help you
Customer: replied 7 days ago.
There is no corrosion

Okay, then it's time to do the voltage drop tests through the whole starting system.

http://www.fluke.com/fluke/uses/comunidad/fluke-news-plus/articlecategories/electrical/diagnosevoltdrop

let me know if you need any more help.

Thanks again, Ron