General Wiring Information
BASIC 2 and 3 WIRE SYSTEMS
 
2 Wire System
  • Are vehicles that have the turn signal and brake lights operating
    on the same bulb and wire.
  • It will have an electrical code of "A" in the paper catalog.
3 Wire System
  • Are vehicles that have the turn signal and brake light use different bulbs and wires.
  • It will have an electrical code of "B" in the paper catalog.
Estimating Trailer Amperage Per Circuit:
 Modulite

 
Trailer Light Current Paths
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