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It was useful for awhile as I had intended (for some time now) to put together some "troubleshooting" guides for my son and a 7.3L (with 435k km on that "tired old system"). Similar enough in theory anyway.
lets be clear fella's that I am not barking at anyone, I am however presenting the facts with this diagnosis, my apologize if your interpretation is negative, that's no the intent, as for CCA draw, well i will have to get it tested again, cause I don't remember what the numbers were, just today it barely started again,, almost dead batteries and it ran 2 days ago,, alternator was putting out 13.6, after running for a half hour, and batteries were at 12.6, i cant seem to get steady consistent numbers, its all over the map
Let's be clear, post 13, you disagree with a guy who has over 20k posts on one of the 6 forums he covers he's wrong. So far, facts have been rather light; that's why the questions.
How about showing images of the tops of the batteries so we might be able to help you.
lets be clear fella's that I am not barking at anyone, I am however presenting the facts with this diagnosis, my apologize if your interpretation is negative, that's no the intent, as for CCA draw, well i will have to get it tested again, cause I don't remember what the numbers were, just today it barely started again,, almost dead batteries and it ran 2 days ago,, alternator was putting out 13.6, after running for a half hour, and batteries were at 12.6, i cant seem to get steady consistent numbers, its all over the map
If your measuring 13.6 at the alternator you should be measuring that at the batteries as well while running. Also charging voltage is usually over 14.. Seems youve got some high resistance somehwere