Thank-you (all) for the responses! The immediate question (I confess) was
regarding the ballasted TR6 with an electronic igniter. I learned after I
purchased the ballasted coil the resister had been by-passed.
I am using a digital multimeter, so coil voltage might have been be
distorted when the car is running. I measure 6 volts on the coil side of the
resister and on the positive terminal of the coil when the car is not running.
My question about running voltages is answered - thanks again. I did
discover low voltage (12.6v with car running) on the 1972 MGB when I was
comparing running voltages, so that's my next concern!
S. Hughes
In a message dated 8/6/2009 5:13:15 P.M. Eastern Daylight Time, Daybell7
writes:
Greetings MG'ers,
I've installed a generic ballast resister in my ignition circuit and
voltage is correct while the car is not running: 12+ volts & 6 volts. When
the
car is running, I measure 13+ volts on the ignition side of the resister
and 11+ on the coil side and at the coil. Is this correct?
Also, does the voltage regulator affect the operating voltage of the car
generally, or just the charging system?
I thought voltage throughout the car should not exceed battery voltage,
i.e. 12.6V.
Thanks in advance,
Steve Hughes
Gainesville, FL
MGB 1972
MGB-GT 1968
TR6 1973
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