Battery tender for agm battery via jump posts advised?

[omodos]

Originally Posted by andrewwynn

If you measured 392A that's 100% proof failed starter. I can't remember if that was you.


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Andrewwynn ok here is my sin...i did what i thought was a correct amp clamp test but checking out others done online they mention disabling engine management...basically not allowing engine to fire up...i didnt do this i placed clamp around cable near battery with x5 off started it and i got 392+ amps yup but the x5 actually started so not sure the high amps could have been the fact that glow plugs could have drawn current too.