Megasquirt Relay Board Wiring Diagram. V is ready to use. The outputs that go to the main board are routed through the relay cable while connections to the ms3x use a separate connector.
Wiring without a relay board wiring without a relay board. Use our relay cable to connect the relay board to the megasquirt and the wire bundle to connect the relay board to the engine. There is an separate internal wiring diagram for the relay board.
Note that when running a megasquirt iii you can still run batch injection if you choose using the same wiring diagram as above.
Megasquirt schematics are copyrighted and are provided for existing customers to repair or modify their ecus. Megasquirt schematics are copyrighted and are provided for existing customers to repair or modify their ecus. 12 volt relay wiring diagram 4 pole it is far more helpful as a reference guide if anyone wants to know about the home s electrical system. Bthomp 1 posted june 15 2011.