Just about any good auto battery store has free testing. Because you'll probably buy parts or service from them. Just drive in and they'll hook up to your rig and a load test your electrical sys. starter, alt., and batt. Takes just minutes.

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^^What he said, You need to load test batteries individually. One good battery will hide a bad battery.

 

advance or auto zone will test them.

 

K thanks guys that is in my todo list today now!

 

BTW you might want to make sure your starter didn't vibrate loose too, if it does then you'll lose continuityand have voltage drops as well. If all else fails try turning the ignition key clockwise. LOL :-) sorry couldn't help my self on that one...

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I had the batteries check doing great so can u check the rest with a multi meter?

 

It's best to have a load test done while cracking to see what the starter is drawing I've had it done while still on the truck before, but if they can't you'll have to pull your starter off and take it them to test. But make sure its tight before you pull it off because if its loose that'll cause intermittent slow cracking because of it losing a good ground circuit to the block.

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Ok thank u!

 

Starter is good just have to make sure it's not loose