ECM ELECTRIC CIRCUIT ECM EXTERNAL CIRCUIT ECM TERMINAL NO PORT PORT OEM SENSOR PORT OEM CONNECTOR(ECM CN-7) THROTTLE POSITION +5 V SUPPLY THROTTLE POSITION SIGNAL THROTTLE POSITION RETURN 0.85R 0.85G 0.85B 47 48 49 IDLE D 0.85Y PANEL GROUND ON IDLE VALIDATION SWITCH OFF IDLE VALIDATION SWITCH 0.85V 0.85BL 0.85Or 13 03 09 OEM CONNECTOR(CN-7) 16 UNUSED PIN FOOT PEDAL PANEL GROUND 0.85BL 11 10 21 11 1 31 41 87a 87 23 31P OEM CONNECTOR 02 45 1.25WR 0.85BrW ACC R1 TML 0.85BY 14 24 OFF PREHEAT C R2 44 10A FUSE 1(14) START STARTER SWITCH FUSE 1(6) 0.5LR 0.85LW ENGINE WARNING LAMP RED 0.85BY ENGINE STOP LAMP AMBER BLUE 0.85YB 0.85YB 0.85LW 0.85BY 16 0.85YB ENGINE WARNING LAMP MAINTENANCE LAMP 06 0.85BY ENGINE STOP LAMP LINK FUSIBLE 0.5G 1.25BrW FUSE 1(1) 15A 1.25R MAINTENANCE LAMP AMBER 0.85LB PREHEAT LAMP 0.85LB 0.85LB PREHEAT LAMP 04 05 RELAY BATTERY 15A 0.85BrW 0.85Br 0.85Br 0.85Br KEY SWITCH (KEY) ECM POWER (+) 38 0.85RW 18 1.25WR FUSE 2(5) 10A 0.85RW 1.25RW 0.85RW 07 0.85RW 17 28 08 10A 24V BATTERY + - 4 PIN DATA LINK CONNECTOR BATTERY (-) SAE J1708 DATA LINK (+) BATTERY (+) 26 0.85R - SAE J1708 DATA LINK (-) 0.85G 27 1.25B ECM POWER RETURN (-) ECM POWER RETURN (-) 0.85B 0.85B 30 29 39 ECM POWER RETURN (-) ECM POWER RETURN (-) 0.85B 0.85B 40 50 CONNECTOR 31 PIN-OEM SHORTING LEVEL SENSOR PLUG COOLANT 0.85R 0.85RL 19 07 05 11 0.85BR 0.85BrY 10 AWS0500L Figure 15 S0802195K Page 32 Electrical System TACHOMETER 0.85WG INTERMEDIATE SPEED CONTROL 1 0.85BrL 30 0.85BrL ALTERNATE TORQUE CURVE SELECT 0.85GL 5BL ALTERNATE IDLE SWITCH 0.85YL 5BL DIAGNOSTICS INCREMENT 0.85Lq 5LqW DIAGNOSTICS DECREMENT 0.85LqW DIAGNOSTIC / USER-ENGAGED SNAPSHOT 0.85BW 8W 3W STARTER RELAY COS NT TA RR OT LE LR ER C B B D 3Y N P R STARTER ST2001 B 24V 25KW M I 22SI-350 B C PREHEAT RELAY PP 0.85BR B E E