Charging problem with a M1008

Discussion in '1982-Present GM Diesel' started by René, May 6, 2002.

  1. René

    René 1/2 ton status

    Mar 14, 2002
    Likes Received:
    Michelbach, Germany
    I have an electrical problem with a customer vehicle. The electrical system operates with 30V. That is so much, that the batteries die again and again. I exchanged the regulators already several times, without considerable success. Does someone have an idea?

    Somewhat strange was noticeable to me. The generators have two cables at the regulator, a red and a brown one. The red one has 12 V at generator 1 and 24 V at generator 2. That’s clear. Unclearly for me is, why both brown cables haven’t 12 V. They come both from the control lamps in the instrument panel and I can’t explain me the 24V at Generator 2 !?

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