Service Manual User Manual

Section 10
10-32
Model 3606 • Origin 10/99
10.4.4 Engine Harness
Use the chart below for the engine harness diagram (Fig.
10– 17) and engine harness schematic (Fig. 10– 18).
WIRE No. COLOR GAUGE FUNCTION
1 LGT GRN 10 Power, Starter to Alternator (Cummins)
1A LT GRN/BLK 10 Power, Starter to Alternator (Perkins)
1B LT GRN/BLK 10 Power, Starter to Alternator (Perkins)
2 BLK 10 Main Ground Alternator to Ground Splice 45
2A BLK 16 Starter Relay to Ground Splice 45
2K BLK 10 Ground Splice 45 to Ground Splice 50 (in cab harness)
2L BLK 12 Fuel Shutoff Solenoid to Alternator Bolt (housing ground)
2M BLK 16 Park Brake Solenoids to Ground Splice 45
2N BLK 16 Steer Select Solenoids to Ground Splice 45
2P BLK 16 Air Filter to Ground Splice 45
2Q BLK 16 Maintenance Reset Switch to Ground Splice 45
2R BLK 16 Transmission Shift Solenoids to Ground Splice 45
2X BLK 10 Ground Splice 45 to Ground Stud
3 RED 10 Power, Starter to (+) Grid (fuse panel bus)
4 YEL/BLK 16 Transmission Shift Switch to Starter Relay
10 PNK/GRN 16 Alternator Indicator to Alternator Indicator Logic (Cummins-operators display panel)
10A PNK/GRN 16 Alternator Indicator to Alternator Indicator Logic (Perkins-operators display panel)
11 PUR/WHT 16 Oil Pressure Logic (operators display panel) to Oil Pressure Switch
12 RED/BLU 16 Water Temperature Logic (operators display panel) to Water Temperature Switch
14 WHT/BRN 16 Hydraulic Oil Temperature Logic (operators display panel) to Hydraulic Oil Temperature Switch
18 GRY/GRN 16 Steer Select Switch to Steer Select Solenoid (terminal C)
19 YEL/BLK 16 Steer Select Switch to Steer Select Solenoid (terminal 4)
21 YEL/BLU 16 Shift Control Relay to Reverse Clutch Solenoid
23 RD/GRY 16 Shift Control Relay to Reverse Clutch Solenoid
24 ORN/BLU 16 Shift Control to Shuttle Clutch Solenoid
26 WHT/BLU 16 Shift Control to '2nd' Clutch Solenoid
30 GRY/ORN 16 Oil Pressure Switch (terminal B) to Hourmeter (-)
31 YEL/ORN 16 Air Filter Logic to Air Filter Switch
32 TAN 16 Transmission Temperature Logic (display indicator) to Transmission Temperature Switch
33 WHT 12 Fuel Shutoff Solenoid to Starter Motor
34 YEL/PUR 16 Hydraulic Filter Logic (display indicator) to Hydraulic Oil PSI Switch
35 RED/GRN 16 Ignition Fuse to Fuel Shutoff Solenoid
42 BRN/GRN 16 Splice 15 to Park Brake Solenoids
42B BRN/GRN 16 Splice 10 to Splice 15
44 GRY/BLU 16 Maintenance Reset Switch to Bulkhead Connector to Maintenance Indicator (display panel)
46 PNK/BLU 10 Cold Start to 15-amp Fuse
54 PNK/BRN 10 Starter Relay to Starter Power
55 ORN/BLK 10 Starter Relay to Starter Power
93 LT BLU/PUR 16 Splice 110 to Cold Start Control (optional)