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Question: 1974 mg midget mileage:
122,000. I recently bought a 1974 midget. I
immediately replaced the gearbox. In the process, I
replaced the GM alternator with the original Lucas. I
also replaced the battery. For some reason, the
alternator is not charging the battery and appears to be
running on battery alone. It dies during operation and
would not start until jumped. Other than it is a midget,
do you have any ideas what could be wrong? I have the
schematic, but wire colors appear to have been changed.
There are three wires exiting the alternator. I assume
something is broken or not there. I do not think it
worked properly when I purchased it.
Answer: The original Lucas
alternator requires an external voltage regulator. Two
of the three wires you mentioned should hook-up to the
regulator. Have the Lucas alternator "bench" tested for
proper output. You may have to just trace wires one by
one if the color-coding does not match.
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