Section 07-07: Transfer Case, 4x4 System, Service
1996 F-150, 250, 350 (4x4), and Bronco Vehicles with Manual Shift Transfer Case; All Bronco and F-150 4x4 Vehicles with Electronic Shift Transfer Case Only Workshop Manual
DIAGNOSIS AND TESTING

Electrical Schematic

 

Electronic Shift






Electronic Shift (Continued)






Mechanical Shift, 5.0L EFI






4.9L






Pin NumberCircuitCircuit Function
1315 (P/O)PCM to Transmission Shift Solenoid No. 2
2658 (P/LG)PCM to Check Engine Indicator Lamp
3Not Used
4Not Used
5Not Used
6651 (BK/Y)Dedicated Ground
7Not Used
8Not Used
9Not Used
10Not Used
11Not Used
12Not Used
13107 (P)PCM Flash EEPROM Power Supply
14784 (LB/BK)4x4 Low Range Switch to PCM Indicator Lamp
15915 (PK/LB)J1850 Bus Negative/Data Negative (Return) to PCM
16914 (T/O)J1850 Bus Positive/Data Positive
17Not Used
18Not Used
19Not Used
20Not Used
21Not Used
22Not Used
23259 (O/R)Dedicated Ground to TFI Module
24570 (BK/W)Dedicated Ground PCM
25875 (BK/LB)Ground Logic Module
26Not Used
27237 (O/Y)PCM to Transmission Shift Solenoid No. 1
28Not Used
29224 (T/W)Transmission Overdrive Cancel Switch to PCM
30Not Used
31Not Used
32Not Used
33676 (PK/O)Vehicle Speed Sensor Negative (Return) to PCM
34Not Used
35392 (R/LG)Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36968 (T/LB)Mass Airflow Return
37923 (O/BK)Transmission Oil Temperature to PCM
38354 (LG/R)Engine Coolant Temperature Sensor to PCM
39743 (GY)Air Charge Temperature Sensor to PCM
40238 (DG/Y)Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41198 (DG/O)A/C Pressure Switch to Control Relay
42Not Used
43Not Used
44200 (BR)PCM to Air Management No. 2 (Was TAD)
45Not Used
46Not Used
47360 (BR/PK)PCM to Electronic Vacuum Regulator Constant Current
48382 (Y/BK)PCM to Test Connector No. 2
49395 (O/BK)Profile Ignition Pickup to PCM
50929 (PK)PCM to Spark Angle Pulse Width/Spark Output
51570 (BK/W)Dedicated Ground PCM
52Not Used
53924 (BR/O)PCM to Transmission Coast Clutch Solenoid
54480 (P/Y)PCM to Transmission Converter Clutch Control
5537 (Y)Battery to Load
56191 (LG/BK)PCM Top Vapor Management Valve Constant Current
57310 (Y/R)Knock Sensor No. 1 to PCM
58679 (GY/BK)Vehicle Speed Sensor Positive to PCM
59917 (DG/LG)Misfire Detection Sensor Feed
6074 (GY/LB)Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61Not Used
62Not Used
63Not Used
64199 (LB/Y)Manual Lever Position Sensor to PCM
65352 (BR/LG)Delta Exhaust Pressure Transducer to PCM
66Not Used
67Not Used
68Not Used
69331 (PK/Y)PCM to Wide Open Throttle A/C Cutout Switch
70190 (W/O)PCM to Air Management No. 1 (Was TAB)
71361 (R)Power Output from PCM Relay
72Not Used
73559 (T)PCM to Fuel Injector No. 5 Cylinder
74557 (W)PCM to Fuel Injector No. 3 Cylinder
75555 (Y/BK)PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76570 (BK/W)Dedicated Ground PCM
77570 (BK/W)Dedicated Ground PCM
78Not Used
79911 (W/LG)PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80926 (LB/O)PCM to Fuel Pump Relay Control
81925 (W/Y)PCM to Electronic Pressure Control No. 1
82Not Used
83264 (W/LB)PCM to Idle Speed Control Motor No. 1
84Not Used
85Not Used
86Not Used
8794 (R/BK)Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88967 (LB/PK)Mass Airflow Sensor to PCM
89355 (GY/W)Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90351 (BR/W)Power to Engine Sensors
91359 (GY/R)Sensor Signal Return
92511 (LG)Stoplamp (Brake On/Off) Switch to Stoplamps
93387 (R/W)HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94388 (Y/LB)HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95389 (W/BK)HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96Not Used
97361 (R)Power Output from PCM Relay
98Not Used
99560 (LG/O)PCM to Fuel Injector No. 6 Cylinder
100558 (BR/LB)PCM to Fuel Injector No. 4 Cylinder
101556 (W)PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102Not Used
103570 (BK/W)Dedicated Ground PCM
104Not Used



F-Series 5.0L and 5.8L Under 8500 Lb. GVW, and All Bronco






Pin NumberCircuitCircuit Function
1315 (P/O)PCM to Transmission Shift Solenoid No. 2
2658 (P/LG)PCM to Check Engine Indicator Lamp
3Not Used
4Not Used
5Not Used
6651 (BK/Y)Dedicated Ground
7Not Used
8Not Used
9Not Used
10Not Used
11Not Used
12Not Used
13107 (P)PCM Flash EEPROM Power Supply
14784 (LB/BK)4x4 Low Range Switch to PCM Indicator Lamp
15915 (PK/LB)J1850 Bus Negative/Data Negative (Return) to PCM
16914 (T/O)J1850 Bus Positive/Data Positive
17Not Used
18Not Used
19Not Used
20Not Used
21Not Used
22Not Used
23259 (O/R)Dedicated Ground to TFI Module
24570 (BK/W)Dedicated Ground PCM
25875 (BK/LB)Ground Logic Module
26Not Used
27237 (O/Y)PCM to Transmission Shift Solenoid No. 1
28Not Used
29224 (T/W)Transmission Overdrive Cancel Switch to PCM
30Not Used
31Not Used
32Not Used
33676 (PK/O)Vehicle Speed Sensor Negative (Return) to PCM
34Not Used
35392 (P/LG)Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36968 (T/LB)Mass Airflow Return
37923 (O/BK)Transmission Oil Temperature to PCM
38354 (LG/R)Engine Coolant Temperature Sensor to PCM
39743 (GY)Air Charge Temperature Sensor to PCM
40238 (DG/Y)Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41198 (DG/O)A/C Pressure Switch to Control Relay
42Not Used
43Not Used
44200 (BR)PCM to Air Management No. 2 (Was TAD)
45Not Used
46Not Used
47360 (BR/PK)PCM to Electronic Vacuum Regulator Constant Current
48382 (Y/BK)PCM to Test Connector No. 2
49395 (GY/O)Profile Ignition Pickup to PCM
50929 (PK)PCM to Spark Angle Pulse Width/Spark Output
51570 (BK/W)Dedicated Ground PCM
52Not Used
53924 (BR/O)PCM to Transmission Coast Clutch Solenoid
54480 (P/Y)PCM to Transmission Converter Clutch Control
5537 (Y)Battery to Load
56191 (LG/BK)PCM Top Vapor Management Valve Constant Current
57310 (Y/R)Knock Sensor No. 1 to PCM
58679 (GY/BK)Vehicle Speed Sensor Positive to PCM
59917 (DG/LG)Misfire Detection Sensor Feed
6074 (GY/LB)Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61Not Used
62Not Used
63Not Used
64199 (LB/Y)Manual Lever Position Sensor to PCM
65352 (BR/LG)Delta Exhaust Pressure Transducer to PCM
66Not Used
67Not Used
68Not Used
69Not Used
70190 (W/O)PCM to Air Management No. 1 (Was TAB)
71361 (R)Power Output from PCM Relay
72561 (T/R)PCM to Fuel Injector No. 7 Cylinder
73559 (T/BK)PCM to Fuel Injector No. 5 Cylinder
74557 (W)PCM to Fuel Injector No. 3 Cylinder
75555 (T)PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76570 (BK/W)Dedicated Ground PCM
77570 (BK/W)Dedicated Ground PCM
78Not Used
79911 (W/LG)PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80926 (LG/O)PCM to Fuel Pump Relay Control
81925 (W/Y)PCM to Electronic Pressure Control No. 1
82Not Used
83264 (W/LB)PCM to Idle Speed Control Motor No. 1
84136 (DB/Y)Output Shaft Speed to PCM
85Not Used
86Not Used
8794 (R/BK)Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88967 (LB/R)Mass Air Flow Sensor to PCM
89355 (GY/W)Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90351 (BR/W)Power to Engine Sensors
91359 (GY/R)Sensor Signal Return
92511 (LG)Stoplamp (Brake On/Off) Switch to Stoplamps
93387 (R/W)HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94388 (Y/LB)HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95389 (W/BK)HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96Not Used
97361 (R)Power Output from PCM Relay
98562 (LB)PCM to Fuel Injector No. 8 Cylinder
99560 (LG/O)PCM to Fuel Injector No. 6 Cylinder
100558 (BR/LB)PCM to Fuel Injector No. 4 Cylinder
101556 (W)PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102Not Used
103570 (BK/W)Dedicated Ground PCM
104Not Used



7.5L F-150, F-250 Under 14,000 Lb. GVW, California






Pin NumberCircuitCircuit Function
1315 (P/O)PCM to Transmission Shift Solenoid No. 2
2658 (PK/LG)PCM to Check Engine Indicator Lamp
3Not Used
4Not Used
5Not Used
6651 (BK/Y)Dedicated Ground
7Not Used
8Not Used
9Not Used
10Not Used
11Not Used
12Not Used
13107 (P)PCM Flash EEPROM Power Supply
14784 (LB/BK)4x4 Low Range Switch to PCM or Indicator Lamp
15915 (PK/LB)J1850 Bus Negative/Data Negative (Return) to PCM
16914 (T/O)J1850 Bus Positive/Data Positive
17Not Used
18Not Used
19Not Used
20Not Used
21Not Used
22Not Used
23259 (O/R)Dedicated Ground to TFI Module
24570 (BK/W)Dedicated Ground PCM
25875 (BK/LB)Ground Logic Module
26Not Used
27237 (O/Y)PCM to Transmission Shift Solenoid No. 1
28Not Used
29224 (T/W)Transmission Overdrive Cancel Switch to PCM
30Not Used
31Not Used
32Not Used
33676 (PK/O)Vehicle Speed Sensor Negative (Return) to PCM
34Not Used
35392 (R/LG)Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36968 (T/LB)Mass Airflow Return
37923 (O/BK)Transmission Oil Temperature to PCM
38354 (LG/R)Engine Coolant Temperature Sensor to PCM
39743 (GY)Air Charge Temperature Sensor to PCM
40238 (DG/Y)Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41198 (DG/O)A/C Pressure Switch to Control Relay
42Not Used
43Not Used
44200 (BR)PCM to Air Management No. 2 (Was TAD)
45Not Used
46Not Used
47360 (BK/PK)PCM to Electronic Vacuum Regulator Constant Current
48382 (Y/BK)PCM to Test Connector No. 2
49395 (GY/O)Profile Ignition Pickup to PCM
50929 (PK)PCM to Spark Angle Pulse Width/Spark Output
51570 (BK/W)Dedicated Ground PCM
52Not Used
53924 (BR/O)PCM to Transmission Coast Clutch Solenoid
54480 (P/Y)PCM to Transmission Converter Clutch Control
5537 (Y)Battery to Load
56191 (LG/BK)PCM Top Vapor Management Valve Constant Current
57310 (Y/R)Knock Sensor No. 1 to PCM
58679 (GY/BK)Vehicle Speed Sensor Positive to PCM
59917 (DG/LG)Misfire Detection Sensor Feed
6074 (GY/LB)Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61Not Used
62Not Used
63Not Used
64199 (LB/Y)Manual Lever Position Sensor to PCM
65352 (BR/LG)Delta Exhaust Pressure Transducer to PCM
66Not Used
67Not Used
68Not Used
69Not Used
70190 (W/O)PCM to Air Management No. 1 (Was TAB)
71361 (R)Power Output from PCM Relay
72561 (T/R)PCM to Fuel Injector No. 7 Cylinder
73559 (T/BK)PCM to Fuel Injector No. 5 Cylinder
74557 (BR/Y)PCM to Fuel Injector No. 3 Cylinder
75555 (T)PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76570 (BK/W)Dedicated Ground PCM
77570 (BK/W)Dedicated Ground PCM
78Not Used
79911 (W/LG)PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80926 (LB/O)PCM to Fuel Pump Relay Control
81925 (W/Y)PCM to Electronic Pressure Control No. 1
82Not Used
83264 (W/LB)PCM to Idle Speed Control Motor No. 1
84136 (DB/Y)Output Shaft Speed to PCM
85Not Used
86Not Used
8794 (R/BK)Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88967 (LB/R)Mass Airflow Sensor to PCM
89355 (GY/W)Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90351 (BR/W)Power to Engine Sensors
91359 (GY/R)Sensor Signal Return
92511 (LG)Stoplamp (Brake On/Off) Switch to Stoplamps
93387 (R)HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94388 (Y/LB)HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95389 (W/BK)HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96Not Used
97361 (R)Power Output from PCM Relay
98562 (LB)PCM to Fuel Injector No. 8 Cylinder
99560 (LG/O)PCM to Fuel Injector No. 6 Cylinder
100558 (BR/LB)PCM to Fuel Injector No. 4 Cylinder
101556 (W)PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102Not Used
103570 (BK/W)Dedicated Ground PCM
104Not Used



7.3L DI Turbo Without E4OD Transmission






Pin NumberCircuitCircuit Function
1Not Used
2658 (PK/LG)PCM to Check Engine Indicator Lamp
3Not Used
4977 (P/W)Dual Brake Warning Switch to Indicator Lamp
5308 (R/O)Idle Position Switch to PCM
6Not Used
7Not Used
8Not Used
9Not Used
10Not Used
11Not Used
12Not Used
13107 (P)PCM Flash EEPROM Power Supply
14Not Used
15915 (PK/LB)J1850 Bus Negative/Data Negative (Return) to PCM
16914 (T/O)J1850 Bus Positive/Data Positive
17Not Used
18Not Used
19Not Used
20Not Used
21Not Used
22Not Used
23Not Used
24Not Used
2557 (BK)Ground Circuit
26Not Used
27Not Used
28Not Used
29306 (T/LB)Clutch Switch to Speed Control Module
30553 (P/LB)Diesel Exhaust Back Pressure Sensor
31307 (BK/Y)Brake Pressure Switch to Speed Control Module
32Not Used
33676 (PK/O)Vehicle Speed Sensor Negative (Return) to PCM
34358 (LG/BK)Manifold Absolute Pressure to PCM
35Not Used
36Not Used
37Not Used
38354 (LG/R)Engine Coolant Temperature Sensor to PCM
39793 (GY)Air Charge Temperature Sensor to PCM
40848 (DG/O)Speed Control Switch to Amplifier
41198 (DG/O)A/C Pressure Switch to Control Relay
42318 (GY/R)Exhaust Back Pressure Valve Actuator
43Not Used
44Not Used
45Not Used
46Not Used
47Not Used
48818 (GY/W)Diesel Electronic Driver Unit Feedback Signal to PCM
49795 (DG)Cam Sensor to PCM
50648 (W/PK)RPM Sensor Feed (Tachometer)
51570 (BK/W)Dedicated Ground PCM
52Not Used
53Not Used
54Not Used
5537 (Y)Battery to Load
56Not Used
57Not Used
58679 (GY/BK)Vehicle Speed Sensor Positive to PCM
59Not Used
60Not Used
61151 (LB/BK)Speed Control On-Off Switch to Amplifier
62Not Used
63Not Used
64Not Used
65796 (LB)Cam Sender Signal Return
66Not Used
67Not Used
68Not Used
69Not Used
70814 (W/BK)Diesel Electronic Driver Unit Enable Relay to PCM
71361 (R)Power Output from PCM Relay
72Not Used
73Not Used
74Not Used
75Not Used
76570 (BK/W)Dedicated Ground PCM
77570 (BK/W)Dedicated Ground PCM
78Not Used
79Not Used
80464 (BK/PK)Module to Lamp
81Not Used
82Not Used
83552 (Y/R)Diesel Injection Control Valve
84356 (DB/LG)Barometric Pressure Sensor Feed
85Not Used
86Not Used
87812 (DB/LG)Diesel Injection Control Pressure Sensor to PCM
88Not Used
89355 (GY/W)Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90351 (BR/W)Power to Engine Sensors
91359 (GY/R)Sensor Signal Return
92511 (LG)Stoplamp (Brake On/Off) Switch to Stoplamps
93Not Used
94Not Used
95821 (BR/O)Diesel Electronic Driver Fuel Delivery Command Signal to PCM
96817 (Y/LB)Diesel Electronic Driver Unit Cylinder Identification Signal to PCM
97361 (R)Power Output from PCM Relay
98Not Used
99Not Used
100Not Used
1011086 (P/O)PCM to Glow Plug Relay
102Not Used
103570 (BK/W)Dedicated Ground PCM
104Not Used



7.3L DI Turbo with E4OD Transmission






Pin NumberCircuitCircuit Function
1315 (P/O)PCM to Transmission Shift Solenoid No. 2
2658 (PK/LG)PCM to Check Engine Indicator Lamp
3Not Used
4Not Used
5Not Used
6657 (BK/Y)Dedicated Ground
7Not Used
8Not Used
9Not Used
10Not Used
11Not Used
12Not Used
13107 (P)PCM Flash EEPROM Power Supply
14784 (LB/BK)4x4 Low Range Switch to PCM or Indicator Lamp
15915 (PK/LB)J1850 Bus Negative/Data Negative (Return) to PCM
16914 (T/O)J1850 Bus Positive/Data Positive
17Not Used
18Not Used
19Not Used
20Not Used
21Not Used
22Not Used
23259 (O/R)Dedicated Ground to TFI Module
24570 (BK/W)Dedicated Ground PCM
25875 (BK/LB)Ground Logic Module
26Not Used
27237 (O/Y)PCM to Transmission Shift Solenoid No. 1
28Not Used
29224 (T/W)Transmission Overdrive Cancel Switch to PCM
30Not Used
31Not Used
32Not Used
33676 (P/O)Vehicle Speed Sensor Negative (Return) to PCM
34Not Used
35392 (R/LG)Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36968 (T/LB)Mass Airflow Return
37923 (O/BK)Transmission Oil Temperature to PCM
38354 (LG/R)Engine Coolant Temperature Sensor to PCM
39743 (GY)Air Charge Temperature Sensor to PCM
40238 (DG/Y)Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41198 (DG/O)A/C Pressure Switch to Control Relay
42Not Used
43Not Used
44200 (BR)PCM to Air Management No. 2 (Was TAD)
45Not Used
46Not Used
47360 (BR/PK)PCM to Electronic Vacuum Regulator Constant Current
48382 (Y/BK)PCM to Test Connector No. 2
49395 (GY/O)Profile Ignition Pickup to PCM
50929 (PK)PCM to Spark Angle Pulse Width/Spark Output
51570 (BK/W)Dedicated Ground PCM
52Not Used
53924 (BR/O)PCM to Transmission Coast Clutch Solenoid
54480 (P/Y)PCM to Transmission Converter Clutch Control
5537 (Y)Battery to Load
56191 (LG/BK)PCM Top Vapor Management Valve Constant Current
57310 (Y/R)Knock Sensor No. 1 to PCM
58679 (Y)Vehicle Speed Sensor Positive to PCM
59917 (DG/LG)Misfire Detection Sensor Feed
6074 (GY/LB)Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61Not Used
62Not Used
63Not Used
64199 (LB/Y)Manual Lever Position Sensor to PCM
65352 (BR/LG)Delta Exhaust Pressure Transducer to PCM
66Not Used
67Not Used
68Not Used
69331 (PK/Y)PCM to Wide Open Throttle A/C Cutout Switch
70190 (W/O)PCM to Air Management No. 1 (Was TAB)
71361 (R)Power Output from PCM Relay
72Not Used
73559 (T/BK)PCM to Fuel Injector No. 5 Cylinder
74557 (BR/Y)PCM to Fuel Injector No. 3 Cylinder
75555 (T)PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76570 (BK/W)Dedicated Ground PCM
77570 (BK/W)Dedicated Ground PCM
78Not Used
79911 (W/LG)PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80926 (LG/O)PCM to Fuel Pump Relay Control
81925 (W/Y)PCM to Electronic Pressure Control No. 1
82Not Used
83264 (W/LB)PCM to Idle Speed Control Motor No. 1
84Not Used
85Not Used
86Not Used
8794 (O/W)Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88967 (LB/PK)Mass Airflow Sensor to PCM
89355 (GY/W)Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90351 (BR/W)Power to Engine Sensors
91359 (GY/R)Sensor Signal Return
92511 (LG)Stoplamp (Brake On/Off) Switch to Stoplamps
93387 (R/W)HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94388 (Y/LB)HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95389 (W/BK)HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96Not Used
97361 (R)Power Output from PCM Relay
98Not Used
99560 (LG/O)PCM to Fuel Injector No. 6 Cylinder
100558 (BR/LB)PCM to Fuel Injector No. 4 Cylinder
101556 (W)PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102Not Used
103570 (BK/W)Dedicated Ground PCM
104Not Used



60-Pin Powertrain Control Module (PCM), 5.8L over 8500 Lb. GVW, 49-State and 7.5L over 14,000 Lb. GVW, 49-State






Pin NumberCircuitCircuit Function
137 (Y)Battery to Load
2511 (LG)Stoplamp (Brake On/Off) Switch to Stoplamps
3679 (GY/BK)Vehicle Speed Sensor Positive to PCM
4382 (Y/BK)PCM to Test Connector No. 2
5Not Used
6676 (PK/O)Vehicle Speed Sensor Negative (Return) to PCM
7354 (LG/R)Engine Coolant Temperature Sensor to PCM
8238 (DG/Y)Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
9915 (PK/LB)J1850 Bus Negative/Data Negative (Return) to PCM
10198 (DG/O)A/C Pressure Switch to Control Relay
11200 (BR)PCM to Air Management No. 2 (Was TAD)
12784 (LB/BK)4x5 Low Range Switch to PCM or Indicator Lamp
13Not Used
14Not Used
15Not Used
16259 (O/R)Dedicated Ground to TFI Module
17658 (PK/LG)PCM to Check Engine Indicator Lamp
18Not Used
19315 (P/O)PCM to Transmission Shift Solenoid No. 2
2057 (BK)Ground Circuit
21264 (W/LB)PCM to Idle Speed Control Motor No. 1
22926 (LB/O)PCM to Fuel Pump Relay Control
23Not Used
24Not Used
25743 (GY)Air Charge Temperature Sensor to PCM
26351 (BR/W)Power to Engine Sensors
27352 (BR/LG)Delta Exhaust Pressure Transducer to PCM
28914 (T/O)J1850 Bus Positive/Data Positive
2974 (GY/LB)Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
30199 (LB/Y)Manual Lever Position Sensor to PCM
31101 (GY/Y)PCM to Canister Purge Solenoid
32911 (W/LG)PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
33360 (BR/PK)PCM to Electronic Vacuum Regulator Constant Current
34Not Used
35Not Used
36929 (PK)PCM to Spark Angle Pulse Width/Spark Output
37361 (R)Power Output from PCM Relay
38925 (W/Y)PCM to Electronic Pressure Control No. 1
39Not Used
40570 (BK/W)Dedicated Ground PCM
41224 (T/W)Transmission Overdrive Cancel Switch to PCM
42923 (O/BK)Transmission Oil Temperature to PCM
43348 (P)A/C Demand Signal
44Not Used
45358 (LG/BK)Manifold Absolute Pressure to PCM
46359 (GY/R)Sensor Signal Return
47355 (GY/W)Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
48209 (W/P)Self Test Input to PCM
4989 (O)Exhaust Gas Oxygen Sensor Return to PCM
50Not Used
51190 (W/O)PCM to Air Management No.1 (Was TAB)
52237 (O/Y)PCM to Transmission Shift Solenoid No. 1
53480 (P/Y)PCM to Transmission Converter Clutch Control
54Not Used
55924 (BR/O)PCM to Transmission Coast Clutch Solenoid
56395 (GY/O)Profile Ignition Pickup to PCM
57361 (R)Power Output from PCM Relay
58555 (T)PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
59556 (W)PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
60570 (BK/W)Dedicated Ground PCM







Pin NumberCircuitCircuit Function
1778 (O)Electrical Shift 4x4 Module to Motor Control
2875 (BK/LB)Ground Logic Module
357 (BK)Ground
4OpenOpen
5777 (Y)Electrical Shift 4x4 Module to Motor Control Counterclockwise
6779 (BR)Electrical Shift 4x4 Module to Electronic Clutch
7296 (W/P)Fused Accessory Feed No. 1
8517 (BK/W)Circuit Breaker (Load Terminal) to Control Switch ("Batt" Terminal)







Pin NumberCircuitCircuit Function
1465 (W/LB)Module to Switch
2780
(DB)
Electrical Shift Module to 2H-4H Switch
3781 (O/LB)Electrical Switch to 4L Switch
4782 (BR/W)Electrical Shift Module to Low Range Indicator Lamp Roof Console
5783 (GY)Electrical Shift Module to Graphic Display Roof Console







Pin NumberCircuitCircuit Function
1463 (R/W)Electric Transfer Case Module to Transmission Range Sensor
2774
(LG)
Electrical Shift 4x4 Module to Speed Sensor Return
3772 (LB)Electrical Shift 4x4 Module to Speed Sensor Coil
4771 (P/Y)Electrical Shift 4x4 Module to Motor Position No. 5
5770 (W)Electrical Shift 4x4 Module to Motor Position No. 4
6764 (BR/W)Electrical Shift 4x4 Module to Motor Position No. 3
7763 (O/W)Electrical Shift 4x4 Module to Motor Position No. 2
8762 (Y/W)Electrical Shift 4x4 Module to Motor Position No. 1



OHMMETER READINGS FOR SHIFT MOTOR
POSITION SENSOR
Ohmmeter ConnectionTransfer Case Gear Position
2 High4 High4 Low
Meter Reading from
Terminal No. 8 to
No. 4
ShortOpenShort
Meter Reading from
Terminal No. 8 to
No. 5
OpenOpenShort
Meter Reading from
Terminal No. 8 to
No. 6
ShortShortOpen
Meter Reading from
Terminal No. 8 to
No. 7
OpenShortOpen

Note: SHORT (zero ohms). OPEN (infinity).








Pin NumberCircuitCircuit Function
1779 (BR)Electrical Shift 4x4 Module to Electro-Magnetic Clutch
2777 (Y)Electrical Shift 4x4 Module to Motor Control Counterclockwise
3774
(LG)
Electrical Shift 4x4 Module to Speed Sensor Return
4772 (LB)Electrical Shift 4x4 Module to Speed Sensor Return
5771 (P)Electrical Shift 4x4 Module to Motor Position No. 5
6770 (W)Electrical Shift 4x4 Module to Motor Position No. 4
7764 (BR/W)Electrical Shift 4x4 Module to Motor Position No. 3
8763 (O/W)Electrical Shift 4x4 Module to Motor Position No. 2
9762 (Y/W)Electrical Shift 4x4 Module to Motor Position No. 1
10778 (O)Electrical Shift 4x4 Module to Motor Control







Pin NumberCircuitCircuit Function
157 (BK)Ground Circuit
2781 (O/LB)Electric Shift to 4L Switch
3780 (DB)Electric Shift Module to 2H-4H Switch
4465 (W/LB)Module to Switch
5782 (BR/W)Electric Shift Module to Low Range Indicator Lamp Roof Console
6783 (GY)Electric Shift Module to Graphic Display Roof Console
7640 (R/Y)Warning Lamps Feed
819 (LB/R)Instrument Panel Lamps Feed







Pin NumberCircuitCircuit Function
1904 (LG/R)Ignition Switch "Coil"/"ACCY" to Alternator Regulator "IGN" Terminal
2932 (GY/W)Daytime Running Lamp
357 (BK)Ground Circuit
4450 (DG/LG)Seat Belt Warning Indicator Lamp Feed
529 (Y/W)Fuel Gauge to Fuel Gauge Sender
619 (LB/R)Instrument Panel Lamps Feed
757 (BK)Ground Circuit
7398 (BK)Tachometer Ground to Tachometer Gauge Module (Lighting Only)
82 (W/LB)Front Turn Signal Lamp (RH)
9648 (W/PK)RPM Sensor Feed (Tachometer)
10398 (BK)Tachometer Ground to Tachometer Gauge Module (Gasoline Only)
11784 (LB/BK)4x4 Low Range Switch to PCM or Indicator Lamp
12210 (LB)Indicator Lamp to Switch (4x4)
13640 (R/Y)Warning Lamps Feed
1416 (R/LG)Ignition Switch to Ignition Coil "Batt" Terminal



Transmission Range Sensor 4R70W Transmission






Pin NumberCircuitCircuit Function
132 (R/LB)Starter Control
2298 (P/O)Fused Run Only Feed
3140 (BK/PK)Backup Lamp
433 (W/PK)Starter Control to Interlock Module
557 (BK)Ground Circuit
6199 (LB/Y)Manual Lever Position Sensor to PCM
7359 (GY/R)Sensor Signal Return
8463 (R/W)Electric Transfer Case Module to Transmission Range Sensor







Pin NumberCircuitCircuit Function
157 (BK)Ground Circuit
2359 (GY/R)Sensor Signal Return
3199 (LB/Y)Manual Lever Position Sensor to PCM
4463 (R/W)Electric Transfer Case Module to Transmission Range Sensor
533 (W/PK)Starter Control to Interlock Module
6140 (BK/PK)Backup Lamp
7298 (P/O)Fused Run Only Feed
832 (R/LB)Starter Control