Electrical Diagrams

These electrical schematics are Doug Raymond’s conversion of BMW and Haynes diagrams into a ladder logic format, which you may find more convenient for troubleshooting. The 12V power and rider inputs are at the left and the output devices are on the right. Comments or corrections are welcome, via email to Doug.  Like to make a Donation to the author to defray expenses?  See ‘donate’ button below the table.

Electrical Schematic Version Date Notes

R1150RT

3.3 9/17/2014

For model years 2001-2003

Changes in this version:

  • Improved Key Switch
  • Improved Tail Light wiring
  • Corrected two wire colors in internal iABS

R1150RT Dual Plug

1.3 9/17/2014

For model years 2003-2006

Changes in this version:

  • Improved Key Switch
  • Improved Tail Light wiring
  • Corrected two wire colors in internal iABS

R1100RT

2.2 9/17/2014

Changes in this version:

  • Corrected Key Switch
  • Corrected Tail and Speedo light wiring
  • Simplified fuse layout

R1150RT iABS

1.0 9/12/2014

Changes in this version:

  • New drawing, preliminary version
  • Layout, wiring and logic of iABS pc board

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