battery

  1. M

    1977 K30 draining battery

    Hello everyone please forgive me if this is in the wrong section I’m new to all of this! Anyways, my fiancée has a 1977 K30 (will attach a picture below) and the battery is having power pulled from somewhere and i don’t know where to start. I believe the alternator was replaced a year or two...
  2. teach

    100 amp Powermaster

    Want to make sure I don’t burn anything down here: I’m getting a 100 amp alternator (Powermaster, self-exciting) to replace my ac delco 63 amp. Currently, the bat wire goes from the back of the alternator to the starter (8-10 gauge I think… maaaaaybe 12?). I also have a fusible link at the...
    • teach
    • Thread
    • alternator alternator swap battery battery cables charging
    • Replies: 5
    • Forum: Electrical & Audio
  3. Subourbon

    Yet another starter issue

    Hey all, hope you all had a good Xmas! 1982 6.2 diesel 4x4 suburban twin battery Daily driver, 6.2 diesel, cold starts it complains etc etc. Today, it cranked n cranked n cranked nothing, no start. But then loud, click and nothing. But then! No lights no glow plugs nothing at all. Dead...
  4. MikeyLionHeart

    Charging issues

    78 c20 I put a new alternator and battery in and on a cold start I get about 15 volts charging, but when I turn it off and start it again I'm down to 12. If I turn anything on electrical at this point it just drains the battery. Any ideas what's happening, she was fine one day then all this started.
  5. Conejo_K10

    Aux Battery Tray

    I have found that the factory auxiliary battery trays are no longer available. Fortunately the support is still available. If they make the support why don't they have the trays[?!]. Anyway I'm curious if anyone has added an aux battery and if so, what did you use for the tray? LMC sells...

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