Quote:
Originally Posted by jb300sel
How many volts does an alternator put out. My 300SEL, 1988 alternator outputs between 1 - 2 volts, the car starts very well with 13plus volts, but when voltage is 12 and below the car won't start. You crank and wipers come on. How does the iginition coil factor in this case? If this coil is bad will the car fail to start or start randomly.
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Need more info. to help you.
Check for louse connections on battery.
2) Age of it.
3) Do a volt drop test.
4) 12.6 v, normal. 13.5v, charging normal.
5) Connect a multimeter on battery have someone start the car while
you are looking at the meter under 10.5 car will not start.
6) Crank, wipers come on, there is a short somewhere.
Or volts are to low driving the modules crazy.
Regards,
aam.