4QD controllers Service section Wiring information
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This is an index to the various wiring diagrams available. However - you should first check the instructions for your controller: manuals are available from the site.

Diagrams listed here are generally not the same as those in the manuals.

• Controllers
  • 4QD 150/00 wiring a large copy of the diagram in the manual (page 8) for the visually-challenged.
  • Omega-S controller, wiring for Phoenix Locos
  • Pro-150 - Alternative wiring with serial display
  • Pro-150 - Double heading
  • Pro-150: use with DMR-203
  • Pro-120, VTX and NCC controllers: standard wiring
  • Pro-120 and VTX: wiring with pushbuttons
  • Porter series: wiring diagram
  • Uni and Egret: wiring
  • VTX and Pro-120: wiring wiring with Hand control and Horn Relay board
  • Walker Controller wiring
• Accessories
  • Dual channel interface (DCI-111)
    Wiring with 4QD series, Pro, VTX or NCC.
  • DMR-203: use with Pro-150
• Vehicles
  • Model Locos: wiring with Hand control and Horn Relay board
  • Wiring for Phoenix Locos, with Omega-S controller
  • Push-button use with Pro, VTX and NCC controllers
  • Easybike, wiring notes with 1QD
• Horn Relay Board
• Main wiring diagram which also has several alternative wiring diagrams listed.

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