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governorsam

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Posts posted by governorsam

  1. loose fan belt? voltage drop?

    if you can turn the alternator fan by hand and it slips on the belt, may be the problem.

    run motor about 2-3000 rpm, voltmeter on the battery should be 13.8 to 14.2 volts.

    now turn on high beam lights, wipers, heater, etc to full, recheck.

    if lots lower, its either the fan belt, or voltage drop.

    measure voltage between the battery + and the alternator + under load (everything turned on as above, revving the motor)

    anything more than 0.5 volts is worth looking at.

    repeat with the earth terminals, but go from the batt negative to the block. also check from batt negative to the body.

    if all this fails, drink beer / kill it with fire.

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