Jacobsen LF550 2WD Parts Manual page 141

62.1 Connector Terminal Identification
Tier 4 Final / Stage 5 Injector Harness 4297203 and DPF Harness 4297204
DPF Harness 4297204 (Included with Engine)
2 1
DPF Temp T0 Sensor
(U11)
Injector Harness 4297203 (Included with Engine)
1 2
Fuel Injector #1
(U13)
Terminal Identification is from open (Not Wire) end of connector
LIGHTWEIGHT FAIRWAY MOWER
2 1
DPF Temp T1 Sensor
(U10)
1 2 3 4 5
9 10 11 12 13
J8
Connects to Mower Harness
1 2
Fuel Injector #2
(U14)
1 2 3
7 8 9
J10
Connects to Mower Harness
2 1
DPF Temp T2 Sensor
(U9)
6 7 8
14 15 16
1 2
Fuel Injector #3
(U15)
4 5 6
10 11 12
Serial No. All
1 2 3
Diff Pressure Sensor
(U12)
1 2
Fuel Injector #4
(U16)
141