Quote:
Originally Posted by jleonard
My son owns an automotive repair shop and has one of those load testers.
Several years ago I had him test my truck battery (Cummins diesel) because I thought it was turning over slow. The tester showed the battery to be good.
However I still bought a new battery....and boy did she turn over so much faster.
I don't trust those load testers on a diesel. That's my experience.
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I too have had bad luck with the expensive electronic "do everything" models...too often as you describe the results and the battery were in "disagreement"....
The resistive types to me seem to be more reliable...but you should charge the battery up after a thorough and recheck with one of those babies...