mostly true... with a bad bulb, the motor has to exceed 2000RPM to charge, but some vehicles do not have the alternate path to the exciter circuit, so the bulb needs to be good.
another thing to check is if the glow plugs are shutting off.
the alternator cannot overcome the draw of the glow plugs.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!
My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!
1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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