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2012 CHU starting problem


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Hello everyone 

I just installed 3 new batteries on my truck and a new starter.It was all good for a couple of weeks and now I have a hard time to get it started. It just clicks and doesn’t crank. I have to play with it for a while and eventually will turn. Sometimes 10 to 15 tryouts. Any ideas?

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How are the battery ground cables and connections to the chassis?  Among other things bad battery grounds will cause that issue.

Edited by 41chevy

"OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK"  Thomas Edison

 “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’

P.T.CHESHIRE

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The battery ground with the frame is clean and tight. All connections are clean and tight. I’m probably looking at a relay problem. I know that there’s a ignition relay but I just found out that there’s a start relay in the lower fuse panel by the clutch pedal. A small tiny relay . I’ll have to check-replace that one and go from there 

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Your 2008 CXU is identical with my 2012 CHU as a cab. There’s an ignition relay under the top dashboard that I’m aware of but not a starter relay. The start relay is on the second fuse panel by the clutch pedal. I’m going to replace both ignition and start relay and see if the problem persists 

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