206 REAR STEER ELECTRICAL SCHEMATIC ADDITION RT70M/H, RT90M/H, RT75M/H, RT95T2M/H, RT115H, & RT115T2 01 ID0258710 CIRCUIT DESCRIPTIONS Circuit Number Wire Color Function 1A blk/red Medium current ground 1B blk/blu Low current ground 7 org Fused accessory circuit 10 org/grn Fused ignition circuit 13 yel Tachometer circuit 14 brn/red Backup alarm switch to backup alarm 39 yel/blk Analog return 52 tan/red Machine ECU to Diode to EDC forward solenoid 53 tan/grn Machine ECU to Diode to EDC reverse solenoid 54 gra RPM potentiometer to Machine ECU 57 gra/grn Hand control signal to Machine ECU 58 gra/red Foot control signal to Machine ECU 60 blu/grn 5VDC Output from Machine ECU 61 grn/red Front axle sensor to Machine ECU 62 gra/blu Rear steer auto/manual switch to Machine ECU 63 grn/blu Rear axle sensor to Machine ECU 64 org/brn Crab/coordinated steer switch to Machine ECU 65 grn/blk Machine ECU to right steer module 66 blu/blk Machine ECU to left steer module 67 tan/blu Machine ECU to bypass solenoid 77 grn/org Frame tilt switch to frame tilt right solenoid 78 blu/org Frame tilt switch to frame tilt left solenoid 105 gra Machine ECU to EDT connection (serial) 106 wht Machine ECU to EDT connection (serial) 136 gra/yel Rear steer manual hand control to auto/manual switch 137 pur/red Rear steer auto/manual switch to manual left/right switch