2003 Polaris MSX 140 Personal Watercraft Service Manual, Page 93Get this manual
Fuel Injection System Fuel Injection Wiring Diagram
MSX Gauge
36 Reverse RPM Limit Input (GRYRED) Reverse Sync Switch Tether Switch Ignition Kill Input (BLKY)
15 Check Engine Light (TO) 24 Overheat (T) 35 Tach (Y)
40 Fuel Pump Control (BRN)
Fuel Pump 20-30psi
RW (12 vDC) 15A FUSED
25 TPS Supply 5v DC (RED) 22 (ORBLU) TPS Sensor Resistance 3000 TPS Signal In (GREEN)
Pri .05-.15 Sec 225-325
5 Analog Ground (BLACK) Air Temp Signal In (PINKBLU) 29 (BLUE)
MAG R=1.0-1.10 Injector
Air Temperature Sensor Resistance 77 990-1010
13 Water Temp Signal In (PINKBLK) Water Temperature Sensor Resistance 77 985-1015 16 Crank Position Sensor Signal In (ORANGE) Crankshaft Position Sensor Resistance 200 (Max) 37 Crank Position Sensor Ground (BLACK)
12 (ORPUR)
Pri .05-.15 Sec 225-325