[Mgs] Positive earth

PaulHunt73 paulhunt73 at virginmedia.com
Sat Aug 17 01:47:12 MDT 2019


If you have a rev counter i.e. mechanical there will be a thick flexible cable like a speedo cable going to the engine.  MGBs got the electronic tach in 1964, for what that's worth.

Other than that it depends if you have any other electronic stuff like ignition (probably unlikely) or radio.  Radios in a car not touched for that long could well have a polarity reversing plug.

The heater fan may reverse and work less well, but if both wires going into the motor are the same colour with no identification stripe on one of them then probably not.

The wipers may park in a slightly different place.

PaulH.
  ----- Original Message ----- 


  Other than turning battery around and flashing the voltage regulator, are there any concerns with changing my 65 Spridget to negative ground?
  Is tach mechanical or electric?
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