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good evening my name is ***** ***** I will assist
do you have a voltmeter to do some testing???
test each battery
test each one with the engine off. let me know the voltage
ok have someone crank the truck and re test each bettery while cranking and give me the voltages
ok, what are the voltages. you said you had to jump it
what is happening
I understand that. I need the voltages I asked for to help you.
what going on???? this is a simple test
do you still need help