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  1. H

    Cat 420d 13v acts like dead batteries

    thank you all for your thoughts and knowledge. it turned out to be a corroded connection at the starter. without your guidance i would have put in a new alternator!
  2. H

    Cat 420d 13v acts like dead batteries

    Redid all battery connections. Clean. Solid. Cables look good. Turn key to power on and volt meter read 12v. Heating glow plug dropped a smidge. Turned over to start and everything went dark. No dash lights volt meter dropped to nothing. Turn key off. Turned key back to power and nothing.
  3. H

    Cat 420d 13v acts like dead batteries

    Cat would not start last fall. I thought batteries were dead. Cat sat out all winter. June 7, 2018 put in new batteries. First try gave a quick vroom, stop. after that, volt meter in cab shows low voltage, say 6v. will not turn over. just click click click. i have 13v at batteries. with...
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