Posted by John T PS on June 29, 2014 at 06:45:21 from (184.9.210.101):
In Reply to: Negative gounding posted by SWH1 on June 28, 2014 at 19:34:53:
Seems I always forget something grrrrrrrr
In addition to Ignition Coils and many Voltage Regulators, yet another item that cares and is sensitive to what polarity is used (Pos or Neg) is the Ammeter. It also has + and - terminals and if wired incorrect it would register just bass ackwards, i.e. would show + charge when discharging and - discharge when charging. If that's the case simply reverse the wires.
SUMMARY: Ignition Coils, Voltage Regulators, Ammeters are usually polarity sensitive. The typical old tractor Generator can still charge at either polarity once correctly polarized. The typical old tractor starter, however, still turns the same direction at either polarity.
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