[Mgs] Mgs Digest, Vol 147, Issue 14

[Eric Russell]

 > Other than turning battery around and flashing the voltage regulator...

I believe you need to 'flash' (repolarize) the generator (not the 
voltage regulator). Some electric fuel pumps are polarity specific. Most 
radios sold since the mid 1960's are negative ground. Older radios 
sometimes had a switch for negative or positive ground.

Although written for the MGA, much of the info in the MGA Guru's Tech 
pages also apply to B's & Midgets.

See: http://www.mgaguru.com/mgtech/

Specifically:: http://www.mgaguru.com/mgtech/electric/et202.htm & 
http://www.mgaguru.com/mgtech/electric/et202a.htm

Eric Russell
Mebane, NC