1988 TRX250R Wire Harness Connector Layout and Pinout

 Overall Harness Layout

Overall Harness Layout

 

CDI

CDI Pinout

  • Blue/Yellow = Pulse Generator Signal
  • Green = Ground
  • Black/Yellow = Ignition Coil Signal
  • Green/White = Pulse Generator Ground
  • Black/Red = Exciter Coil
  • Black/White = Ignition Signal (Short to Ground to stop engine)

 

Voltage Regulator

Voltage Regulator Pinout

  • Green = Ground
  • White/Yellow = Lighting Coil

 

Handle Bar Switch & Frame Ground

Handlebar Switch and Frame Ground

  • Green = Ground
  • Brown = Tail Light Power
  • White/Yellow = Lighting Coil
  • Black/White = Ignition Signal (Short to Ground to stop engine)

 

Engine, Stator, and Ignition Switch

Engine and Stator Pinout 

Pulse Generator

  • Green/White = Pulse Generator Ground
  • Blue/Yellow = Pulse Generator Signal

Stator

  • Black/Red = Exciter Coil (CDI AC power source)
  • White/Yellow = Lighting Coil (Lighting circuit power source)

Ignition Switch

  • Black/White = Ignition Signal (Short to Ground to stop engine).
  • Green = Ground

 

Ignition Coil

 Ignition Coil Pinout

  • Green = Ground
  • Black/Yellow = Ignition Coil Signal

 

Tail Light

Tail Light Pinout

  • Green = Ground
  • Brown = Tail Light Power