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2002 7.3 Starting/Voltage Issue
Hey guys! I have an issue with my 02 7.3 and I'm hoping you guys can point me in the right direction.
Two days ago while driving home my radio shut off and would not turn back on manually. A few miles down the road it came back on. I pulled into the house and shut the truck off. I tried to start it back up and no go. It gave half a crank and just started clicking.
Both batteries are reading 11.3v and appears to have a new(er) alternator. For peace of mind, I pulled the alternator and had Advance Auto test it. Bench test showed OK.
Reinstalled the alt and charged the batteries above 12v each. Truck started right up. Drove down the driveway and back up, shut truck off, attempted to start, no go. Batts at 11.3v again. Quick jump box allowed truck to restart once again but yet another no-go on the restart.
It's like the truck won't start without FULL power and then it won't recharge the batteries to FULL power while running.
Any help would be greatly appreciated. I can troubleshoot this myself with a little guidance and a place to start. Any ideas?