1) Since the starter is a series wound DC motor that uses an elecromagentic field versus a permanent magnetic field IT STILL TURNS THE SAME DIRECTION REGARDLESS since youre not swapping the field or armature windings with relation to each other. A permanent magnet motor would reverse cuz you change the current direction in ONLY ONE of the field or armature i.e. the armature since the magnetic North/South polarity of the permanent magnet field remains unchanged
2) If its a battery powered coil igntion it still fires even at reverse poalrity but its not near as efficeint and wont deliver as much spark gap energy across the plug gap as if its wired correct i.e. swap leads if you reverse polarity
3) If it has an ammeter its leads need reversed if you swap polarity otherwise it reads bass ackwards.
4) The genny can still charge fine regardless of polarity BUTTTTTTTT it needs repolarized
5) Many Voltage Regulators will work at EITHER polarity while others may not. Thinks like polarity sensitive suppressor diodes and the coatings on relay contatcs can make a difference. If its not labeled Id go ahed n try it cuz it may work fine a long time but if it quits you need a new correct polarity one anyway.
6) Points or condensor dont care nor light bulbs
7) SOME gauges are polarity sensitive IF THEY USE GALVO NEEDLE ACTIONS while the bimetallic heat type dotn care which direction the current flows
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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