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1989 300E voltage regulator
How can I test if I need an alternator or just change the voltage regulator?
Thanks, Fab |
DVOM set to ac...check for ripple. No more than 0.50vac.
Check charge levels..1500 rpm = No more that 14.6vdc. If in doubt buy a new reg'. . |
Here ya go
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Volt meter set to DC, connect to battery posts, start car, with all accessories shut off (incl climate control set to "0"), should read 13.8 to 14.2 volts.
Gilly |
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