1996 Bronco/F-Series

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 Number	Circuit	Circuit Function
1	315 (P/O)	PCM to Transmission Shift Solenoid No. 2
2	658 (P/LG)	PCM to Check Engine Indicator Lamp
3	—	Not Used
4	—	Not Used
5	—	Not Used
6	651 (BK/Y)	Dedicated Ground
7	—	Not Used
8	—	Not Used
9	—	Not Used
10	—	Not Used
11	—	Not Used
12	—	Not Used
13	107 (P)	PCM Flash EEPROM Power Supply
14	784 (LB/BK)	4x4 Low Range Switch to PCM Indicator Lamp
15	915 (PK/LB)	J1850 Bus Negative/Data Negative (Return) to PCM
16	914 (T/O)	J1850 Bus Positive/Data Positive
17	—	Not Used
18	—	Not Used
19	—	Not Used
20	—	Not Used
21	—	Not Used
22	—	Not Used
23	259 (O/R)	Dedicated Ground to TFI Module
24	570 (BK/W)	Dedicated Ground — PCM
25	875 (BK/LB)	Ground Logic Module
26	—	Not Used
27	237 (O/Y)	PCM to Transmission Shift Solenoid No. 1
28	—	Not Used
29	224 (T/W)	Transmission Overdrive Cancel Switch to PCM
30	—	Not Used
31	—	Not Used
32	—	Not Used
33	676 (PK/O)	Vehicle Speed Sensor — Negative (Return) to PCM
34	—	Not Used
35	392 (R/LG)	Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36	968 (T/LB)	Mass Airflow Return
37	923 (O/BK)	Transmission Oil Temperature to PCM
38	354 (LG/R)	Engine Coolant Temperature Sensor to PCM
39	743 (GY)	Air Charge Temperature Sensor to PCM
40	238 (DG/Y)	Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41	198 (DG/O)	A/C Pressure Switch to Control Relay
42	—	Not Used
43	—	Not Used
44	200 (BR)	PCM to Air Management No. 2 (Was TAD)
45	—	Not Used
46	—	Not Used
47	360 (BR/PK)	PCM to Electronic Vacuum Regulator — Constant Current
48	382 (Y/BK)	PCM to Test Connector No. 2
49	395 (O/BK)	Profile Ignition Pickup to PCM
50	929 (PK)	PCM to Spark Angle Pulse Width/Spark Output
51	570 (BK/W)	Dedicated Ground — PCM
52	—	Not Used
53	924 (BR/O)	PCM to Transmission Coast Clutch Solenoid
54	480 (P/Y)	PCM to Transmission Converter Clutch Control
55	37 (Y)	Battery to Load
56	191 (LG/BK)	PCM Top Vapor Management Valve — Constant Current
57	310 (Y/R)	Knock Sensor No. 1 to PCM
58	679 (GY/BK)	Vehicle Speed Sensor — Positive to PCM
59	917 (DG/LG)	Misfire Detection Sensor Feed
60	74 (GY/LB)	Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61	—	Not Used
62	—	Not Used
63	—	Not Used
64	199 (LB/Y)	Manual Lever Position Sensor to PCM
65	352 (BR/LG)	Delta Exhaust Pressure Transducer to PCM
66	—	Not Used
67	—	Not Used
68	—	Not Used
69	331 (PK/Y)	PCM to Wide Open Throttle A/C Cutout Switch
70	190 (W/O)	PCM to Air Management No. 1 (Was TAB)
71	361 (R)	Power Output from PCM Relay
72	—	Not Used
73	559 (T)	PCM to Fuel Injector No. 5 Cylinder
74	557 (W)	PCM to Fuel Injector No. 3 Cylinder
75	555 (Y/BK)	PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76	570 (BK/W)	Dedicated Ground — PCM
77	570 (BK/W)	Dedicated Ground — PCM
78	—	Not Used
79	911 (W/LG)	PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80	926 (LB/O)	PCM to Fuel Pump Relay Control
81	925 (W/Y)	PCM to Electronic Pressure Control No. 1
82	—	Not Used
83	264 (W/LB)	PCM to Idle Speed Control Motor No. 1
84	—	Not Used
85	—	Not Used
86	—	Not Used
87	94 (R/BK)	Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88	967 (LB/PK)	Mass Airflow Sensor to PCM
89	355 (GY/W)	Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90	351 (BR/W)	Power to Engine Sensors
91	359 (GY/R)	Sensor Signal Return
92	511 (LG)	Stoplamp (Brake On/Off) Switch to Stoplamps
93	387 (R/W)	HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94	388 (Y/LB)	HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95	389 (W/BK)	HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96	—	Not Used
97	361 (R)	Power Output from PCM Relay
98	—	Not Used
99	560 (LG/O)	PCM to Fuel Injector No. 6 Cylinder
100	558 (BR/LB)	PCM to Fuel Injector No. 4 Cylinder
101	556 (W)	PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102	—	Not Used
103	570 (BK/W)	Dedicated Ground — PCM
104	—	Not Used

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

Pin Number	Circuit	Circuit Function
1	315 (P/O)	PCM to Transmission Shift Solenoid No. 2
2	658 (P/LG)	PCM to Check Engine Indicator Lamp
3	—	Not Used
4	—	Not Used
5	—	Not Used
6	651 (BK/Y)	Dedicated Ground
7	—	Not Used
8	—	Not Used
9	—	Not Used
10	—	Not Used
11	—	Not Used
12	—	Not Used
13	107 (P)	PCM Flash EEPROM Power Supply
14	784 (LB/BK)	4x4 Low Range Switch to PCM Indicator Lamp
15	915 (PK/LB)	J1850 Bus Negative/Data Negative (Return) to PCM
16	914 (T/O)	J1850 Bus Positive/Data Positive
17	—	Not Used
18	—	Not Used
19	—	Not Used
20	—	Not Used
21	—	Not Used
22	—	Not Used
23	259 (O/R)	Dedicated Ground to TFI Module
24	570 (BK/W)	Dedicated Ground — PCM
25	875 (BK/LB)	Ground Logic Module
26	—	Not Used
27	237 (O/Y)	PCM to Transmission Shift Solenoid No. 1
28	—	Not Used
29	224 (T/W)	Transmission Overdrive Cancel Switch to PCM
30	—	Not Used
31	—	Not Used
32	—	Not Used
33	676 (PK/O)	Vehicle Speed Sensor — Negative (Return) to PCM
34	—	Not Used
35	392 (P/LG)	Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36	968 (T/LB)	Mass Airflow Return
37	923 (O/BK)	Transmission Oil Temperature to PCM
38	354 (LG/R)	Engine Coolant Temperature Sensor to PCM
39	743 (GY)	Air Charge Temperature Sensor to PCM
40	238 (DG/Y)	Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41	198 (DG/O)	A/C Pressure Switch to Control Relay
42	—	Not Used
43	—	Not Used
44	200 (BR)	PCM to Air Management No. 2 (Was TAD)
45	—	Not Used
46	—	Not Used
47	360 (BR/PK)	PCM to Electronic Vacuum Regulator — Constant Current
48	382 (Y/BK)	PCM to Test Connector No. 2
49	395 (GY/O)	Profile Ignition Pickup to PCM
50	929 (PK)	PCM to Spark Angle Pulse Width/Spark Output
51	570 (BK/W)	Dedicated Ground — PCM
52	—	Not Used
53	924 (BR/O)	PCM to Transmission Coast Clutch Solenoid
54	480 (P/Y)	PCM to Transmission Converter Clutch Control
55	37 (Y)	Battery to Load
56	191 (LG/BK)	PCM Top Vapor Management Valve — Constant Current
57	310 (Y/R)	Knock Sensor No. 1 to PCM
58	679 (GY/BK)	Vehicle Speed Sensor — Positive to PCM
59	917 (DG/LG)	Misfire Detection Sensor — Feed
60	74 (GY/LB)	Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61	—	Not Used
62	—	Not Used
63	—	Not Used
64	199 (LB/Y)	Manual Lever Position Sensor to PCM
65	352 (BR/LG)	Delta Exhaust Pressure Transducer to PCM
66	—	Not Used
67	—	Not Used
68	—	Not Used
69	—	Not Used
70	190 (W/O)	PCM to Air Management No. 1 (Was TAB)
71	361 (R)	Power Output from PCM Relay
72	561 (T/R)	PCM to Fuel Injector No. 7 Cylinder
73	559 (T/BK)	PCM to Fuel Injector No. 5 Cylinder
74	557 (W)	PCM to Fuel Injector No. 3 Cylinder
75	555 (T)	PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76	570 (BK/W)	Dedicated Ground — PCM
77	570 (BK/W)	Dedicated Ground — PCM
78	—	Not Used
79	911 (W/LG)	PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80	926 (LG/O)	PCM to Fuel Pump Relay Control
81	925 (W/Y)	PCM to Electronic Pressure Control No. 1
82	—	Not Used
83	264 (W/LB)	PCM to Idle Speed Control Motor No. 1
84	136 (DB/Y)	Output Shaft Speed to PCM
85	—	Not Used
86	—	Not Used
87	94 (R/BK)	Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88	967 (LB/R)	Mass Air Flow Sensor to PCM
89	355 (GY/W)	Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90	351 (BR/W)	Power to Engine Sensors
91	359 (GY/R)	Sensor Signal Return
92	511 (LG)	Stoplamp (Brake On/Off) Switch to Stoplamps
93	387 (R/W)	HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94	388 (Y/LB)	HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95	389 (W/BK)	HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96	—	Not Used
97	361 (R)	Power Output from PCM Relay
98	562 (LB)	PCM to Fuel Injector No. 8 Cylinder
99	560 (LG/O)	PCM to Fuel Injector No. 6 Cylinder
100	558 (BR/LB)	PCM to Fuel Injector No. 4 Cylinder
101	556 (W)	PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102	—	Not Used
103	570 (BK/W)	Dedicated Ground — PCM
104	—	Not Used

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

Pin Number	Circuit	Circuit Function
1	315 (P/O)	PCM to Transmission Shift Solenoid No. 2
2	658 (PK/LG)	PCM to Check Engine Indicator Lamp
3	—	Not Used
4	—	Not Used
5	—	Not Used
6	651 (BK/Y)	Dedicated Ground
7	—	Not Used
8	—	Not Used
9	—	Not Used
10	—	Not Used
11	—	Not Used
12	—	Not Used
13	107 (P)	PCM Flash EEPROM Power Supply
14	784 (LB/BK)	4x4 Low Range Switch to PCM or Indicator Lamp
15	915 (PK/LB)	J1850 Bus Negative/Data Negative (Return) to PCM
16	914 (T/O)	J1850 Bus Positive/Data Positive
17	—	Not Used
18	—	Not Used
19	—	Not Used
20	—	Not Used
21	—	Not Used
22	—	Not Used
23	259 (O/R)	Dedicated Ground to TFI Module
24	570 (BK/W)	Dedicated Ground — PCM
25	875 (BK/LB)	Ground Logic Module
26	—	Not Used
27	237 (O/Y)	PCM to Transmission Shift Solenoid No. 1
28	—	Not Used
29	224 (T/W)	Transmission Overdrive Cancel Switch to PCM
30	—	Not Used
31	—	Not Used
32	—	Not Used
33	676 (PK/O)	Vehicle Speed Sensor — Negative (Return) to PCM
34	—	Not Used
35	392 (R/LG)	Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36	968 (T/LB)	Mass Airflow Return
37	923 (O/BK)	Transmission Oil Temperature to PCM
38	354 (LG/R)	Engine Coolant Temperature Sensor to PCM
39	743 (GY)	Air Charge Temperature Sensor to PCM
40	238 (DG/Y)	Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41	198 (DG/O)	A/C Pressure Switch to Control Relay
42	—	Not Used
43	—	Not Used
44	200 (BR)	PCM to Air Management No. 2 (Was TAD)
45	—	Not Used
46	—	Not Used
47	360 (BK/PK)	PCM to Electronic Vacuum Regulator — Constant Current
48	382 (Y/BK)	PCM to Test Connector No. 2
49	395 (GY/O)	Profile Ignition Pickup to PCM
50	929 (PK)	PCM to Spark Angle Pulse Width/Spark Output
51	570 (BK/W)	Dedicated Ground — PCM
52	—	Not Used
53	924 (BR/O)	PCM to Transmission Coast Clutch Solenoid
54	480 (P/Y)	PCM to Transmission Converter Clutch Control
55	37 (Y)	Battery to Load
56	191 (LG/BK)	PCM Top Vapor Management Valve — Constant Current
57	310 (Y/R)	Knock Sensor No. 1 to PCM
58	679 (GY/BK)	Vehicle Speed Sensor — Positive to PCM
59	917 (DG/LG)	Misfire Detection Sensor — Feed
60	74 (GY/LB)	Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61	—	Not Used
62	—	Not Used
63	—	Not Used
64	199 (LB/Y)	Manual Lever Position Sensor to PCM
65	352 (BR/LG)	Delta Exhaust Pressure Transducer to PCM
66	—	Not Used
67	—	Not Used
68	—	Not Used
69	—	Not Used
70	190 (W/O)	PCM to Air Management No. 1 (Was TAB)
71	361 (R)	Power Output from PCM Relay
72	561 (T/R)	PCM to Fuel Injector No. 7 Cylinder
73	559 (T/BK)	PCM to Fuel Injector No. 5 Cylinder
74	557 (BR/Y)	PCM to Fuel Injector No. 3 Cylinder
75	555 (T)	PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76	570 (BK/W)	Dedicated Ground — PCM
77	570 (BK/W)	Dedicated Ground — PCM
78	—	Not Used
79	911 (W/LG)	PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80	926 (LB/O)	PCM to Fuel Pump Relay Control
81	925 (W/Y)	PCM to Electronic Pressure Control No. 1
82	—	Not Used
83	264 (W/LB)	PCM to Idle Speed Control Motor No. 1
84	136 (DB/Y)	Output Shaft Speed to PCM
85	—	Not Used
86	—	Not Used
87	94 (R/BK)	Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88	967 (LB/R)	Mass Airflow Sensor to PCM
89	355 (GY/W)	Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90	351 (BR/W)	Power to Engine Sensors
91	359 (GY/R)	Sensor Signal Return
92	511 (LG)	Stoplamp (Brake On/Off) Switch to Stoplamps
93	387 (R)	HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94	388 (Y/LB)	HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95	389 (W/BK)	HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96	—	Not Used
97	361 (R)	Power Output from PCM Relay
98	562 (LB)	PCM to Fuel Injector No. 8 Cylinder
99	560 (LG/O)	PCM to Fuel Injector No. 6 Cylinder
100	558 (BR/LB)	PCM to Fuel Injector No. 4 Cylinder
101	556 (W)	PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102	—	Not Used
103	570 (BK/W)	Dedicated Ground — PCM
104	—	Not Used

7.3L DI Turbo Without E4OD Transmission

Pin Number	Circuit	Circuit Function
1	—	Not Used
2	658 (PK/LG)	PCM to Check Engine Indicator Lamp
3	—	Not Used
4	977 (P/W)	Dual Brake Warning Switch to Indicator Lamp
5	308 (R/O)	Idle Position Switch to PCM
6	—	Not Used
7	—	Not Used
8	—	Not Used
9	—	Not Used
10	—	Not Used
11	—	Not Used
12	—	Not Used
13	107 (P)	PCM Flash EEPROM Power Supply
14	—	Not Used
15	915 (PK/LB)	J1850 Bus Negative/Data Negative (Return) to PCM
16	914 (T/O)	J1850 Bus Positive/Data Positive
17	—	Not Used
18	—	Not Used
19	—	Not Used
20	—	Not Used
21	—	Not Used
22	—	Not Used
23	—	Not Used
24	—	Not Used
25	57 (BK)	Ground Circuit
26	—	Not Used
27	—	Not Used
28	—	Not Used
29	306 (T/LB)	Clutch Switch to Speed Control Module
30	553 (P/LB)	Diesel Exhaust Back Pressure Sensor
31	307 (BK/Y)	Brake Pressure Switch to Speed Control Module
32	—	Not Used
33	676 (PK/O)	Vehicle Speed Sensor — Negative (Return) to PCM
34	358 (LG/BK)	Manifold Absolute Pressure to PCM
35	—	Not Used
36	—	Not Used
37	—	Not Used
38	354 (LG/R)	Engine Coolant Temperature Sensor to PCM
39	793 (GY)	Air Charge Temperature Sensor to PCM
40	848 (DG/O)	Speed Control Switch to Amplifier
41	198 (DG/O)	A/C Pressure Switch to Control Relay
42	318 (GY/R)	Exhaust Back Pressure Valve Actuator
43	—	Not Used
44	—	Not Used
45	—	Not Used
46	—	Not Used
47	—	Not Used
48	818 (GY/W)	Diesel Electronic Driver Unit Feedback Signal to PCM
49	795 (DG)	Cam Sensor to PCM
50	648 (W/PK)	RPM Sensor Feed (Tachometer)
51	570 (BK/W)	Dedicated Ground — PCM
52	—	Not Used
53	—	Not Used
54	—	Not Used
55	37 (Y)	Battery to Load
56	—	Not Used
57	—	Not Used
58	679 (GY/BK)	Vehicle Speed Sensor — Positive to PCM
59	—	Not Used
60	—	Not Used
61	151 (LB/BK)	Speed Control On-Off Switch to Amplifier
62	—	Not Used
63	—	Not Used
64	—	Not Used
65	796 (LB)	Cam Sender Signal Return
66	—	Not Used
67	—	Not Used
68	—	Not Used
69	—	Not Used
70	814 (W/BK)	Diesel Electronic Driver Unit Enable Relay to PCM
71	361 (R)	Power Output from PCM Relay
72	—	Not Used
73	—	Not Used
74	—	Not Used
75	—	Not Used
76	570 (BK/W)	Dedicated Ground — PCM
77	570 (BK/W)	Dedicated Ground — PCM
78	—	Not Used
79	—	Not Used
80	464 (BK/PK)	Module to Lamp
81	—	Not Used
82	—	Not Used
83	552 (Y/R)	Diesel Injection Control Valve
84	356 (DB/LG)	Barometric Pressure Sensor Feed
85	—	Not Used
86	—	Not Used
87	812 (DB/LG)	Diesel Injection Control Pressure Sensor to PCM
88	—	Not Used
89	355 (GY/W)	Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90	351 (BR/W)	Power to Engine Sensors
91	359 (GY/R)	Sensor Signal Return
92	511 (LG)	Stoplamp (Brake On/Off) Switch to Stoplamps
93	—	Not Used
94	—	Not Used
95	821 (BR/O)	Diesel Electronic Driver Fuel Delivery Command Signal to PCM
96	817 (Y/LB)	Diesel Electronic Driver Unit Cylinder Identification Signal to PCM
97	361 (R)	Power Output from PCM Relay
98	—	Not Used
99	—	Not Used
100	—	Not Used
101	1086 (P/O)	PCM to Glow Plug Relay
102	—	Not Used
103	570 (BK/W)	Dedicated Ground — PCM
104	—	Not Used

7.3L DI Turbo with E4OD Transmission

Pin Number	Circuit	Circuit Function
1	315 (P/O)	PCM to Transmission Shift Solenoid No. 2
2	658 (PK/LG)	PCM to Check Engine Indicator Lamp
3	—	Not Used
4	—	Not Used
5	—	Not Used
6	657 (BK/Y)	Dedicated Ground
7	—	Not Used
8	—	Not Used
9	—	Not Used
10	—	Not Used
11	—	Not Used
12	—	Not Used
13	107 (P)	PCM Flash EEPROM Power Supply
14	784 (LB/BK)	4x4 Low Range Switch to PCM or Indicator Lamp
15	915 (PK/LB)	J1850 Bus Negative/Data Negative (Return) to PCM
16	914 (T/O)	J1850 Bus Positive/Data Positive
17	—	Not Used
18	—	Not Used
19	—	Not Used
20	—	Not Used
21	—	Not Used
22	—	Not Used
23	259 (O/R)	Dedicated Ground to TFI Module
24	570 (BK/W)	Dedicated Ground — PCM
25	875 (BK/LB)	Ground Logic Module
26	—	Not Used
27	237 (O/Y)	PCM to Transmission Shift Solenoid No. 1
28	—	Not Used
29	224 (T/W)	Transmission Overdrive Cancel Switch to PCM
30	—	Not Used
31	—	Not Used
32	—	Not Used
33	676 (P/O)	Vehicle Speed Sensor — Negative (Return) to PCM
34	—	Not Used
35	392 (R/LG)	Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36	968 (T/LB)	Mass Airflow Return
37	923 (O/BK)	Transmission Oil Temperature to PCM
38	354 (LG/R)	Engine Coolant Temperature Sensor to PCM
39	743 (GY)	Air Charge Temperature Sensor to PCM
40	238 (DG/Y)	Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41	198 (DG/O)	A/C Pressure Switch to Control Relay
42	—	Not Used
43	—	Not Used
44	200 (BR)	PCM to Air Management No. 2 (Was TAD)
45	—	Not Used
46	—	Not Used
47	360 (BR/PK)	PCM to Electronic Vacuum Regulator — Constant Current
48	382 (Y/BK)	PCM to Test Connector No. 2
49	395 (GY/O)	Profile Ignition Pickup to PCM
50	929 (PK)	PCM to Spark Angle Pulse Width/Spark Output
51	570 (BK/W)	Dedicated Ground — PCM
52	—	Not Used
53	924 (BR/O)	PCM to Transmission Coast Clutch Solenoid
54	480 (P/Y)	PCM to Transmission Converter Clutch Control
55	37 (Y)	Battery to Load
56	191 (LG/BK)	PCM Top Vapor Management Valve — Constant Current
57	310 (Y/R)	Knock Sensor No. 1 to PCM
58	679 (Y)	Vehicle Speed Sensor — Positive to PCM
59	917 (DG/LG)	Misfire Detection Sensor — Feed
60	74 (GY/LB)	Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61	—	Not Used
62	—	Not Used
63	—	Not Used
64	199 (LB/Y)	Manual Lever Position Sensor to PCM
65	352 (BR/LG)	Delta Exhaust Pressure Transducer to PCM
66	—	Not Used
67	—	Not Used
68	—	Not Used
69	331 (PK/Y)	PCM to Wide Open Throttle A/C Cutout Switch
70	190 (W/O)	PCM to Air Management No. 1 (Was TAB)
71	361 (R)	Power Output from PCM Relay
72	—	Not Used
73	559 (T/BK)	PCM to Fuel Injector No. 5 Cylinder
74	557 (BR/Y)	PCM to Fuel Injector No. 3 Cylinder
75	555 (T)	PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76	570 (BK/W)	Dedicated Ground — PCM
77	570 (BK/W)	Dedicated Ground — PCM
78	—	Not Used
79	911 (W/LG)	PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80	926 (LG/O)	PCM to Fuel Pump Relay Control
81	925 (W/Y)	PCM to Electronic Pressure Control No. 1
82	—	Not Used
83	264 (W/LB)	PCM to Idle Speed Control Motor No. 1
84	—	Not Used
85	—	Not Used
86	—	Not Used
87	94 (O/W)	Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88	967 (LB/PK)	Mass Airflow Sensor to PCM
89	355 (GY/W)	Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90	351 (BR/W)	Power to Engine Sensors
91	359 (GY/R)	Sensor Signal Return
92	511 (LG)	Stoplamp (Brake On/Off) Switch to Stoplamps
93	387 (R/W)	HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94	388 (Y/LB)	HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95	389 (W/BK)	HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96	—	Not Used
97	361 (R)	Power Output from PCM Relay
98	—	Not Used
99	560 (LG/O)	PCM to Fuel Injector No. 6 Cylinder
100	558 (BR/LB)	PCM to Fuel Injector No. 4 Cylinder
101	556 (W)	PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102	—	Not Used
103	570 (BK/W)	Dedicated Ground — PCM
104	—	Not 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 Number	Circuit	Circuit Function
1	37 (Y)	Battery to Load
2	511 (LG)	Stoplamp (Brake On/Off) Switch to Stoplamps
3	679 (GY/BK)	Vehicle Speed Sensor — Positive to PCM
4	382 (Y/BK)	PCM to Test Connector No. 2
5	—	Not Used
6	676 (PK/O)	Vehicle Speed Sensor — Negative (Return) to PCM
7	354 (LG/R)	Engine Coolant Temperature Sensor to PCM
8	238 (DG/Y)	Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
9	915 (PK/LB)	J1850 Bus Negative/Data Negative (Return) to PCM
10	198 (DG/O)	A/C Pressure Switch to Control Relay
11	200 (BR)	PCM to Air Management No. 2 (Was TAD)
12	784 (LB/BK)	4x5 Low Range Switch to PCM or Indicator Lamp
13	—	Not Used
14	—	Not Used
15	—	Not Used
16	259 (O/R)	Dedicated Ground to TFI Module
17	658 (PK/LG)	PCM to Check Engine Indicator Lamp
18	—	Not Used
19	315 (P/O)	PCM to Transmission Shift Solenoid No. 2
20	57 (BK)	Ground Circuit
21	264 (W/LB)	PCM to Idle Speed Control Motor No. 1
22	926 (LB/O)	PCM to Fuel Pump Relay Control
23	—	Not Used
24	—	Not Used
25	743 (GY)	Air Charge Temperature Sensor to PCM
26	351 (BR/W)	Power to Engine Sensors
27	352 (BR/LG)	Delta Exhaust Pressure Transducer to PCM
28	914 (T/O)	J1850 Bus Positive/Data Positive
29	74 (GY/LB)	Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
30	199 (LB/Y)	Manual Lever Position Sensor to PCM
31	101 (GY/Y)	PCM to Canister Purge Solenoid
32	911 (W/LG)	PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
33	360 (BR/PK)	PCM to Electronic Vacuum Regulator — Constant Current
34	—	Not Used
35	—	Not Used
36	929 (PK)	PCM to Spark Angle Pulse Width/Spark Output
37	361 (R)	Power Output from PCM Relay
38	925 (W/Y)	PCM to Electronic Pressure Control No. 1
39	—	Not Used
40	570 (BK/W)	Dedicated Ground — PCM
41	224 (T/W)	Transmission Overdrive Cancel Switch to PCM
42	923 (O/BK)	Transmission Oil Temperature to PCM
43	348 (P)	A/C Demand Signal
44	—	Not Used
45	358 (LG/BK)	Manifold Absolute Pressure to PCM
46	359 (GY/R)	Sensor Signal Return
47	355 (GY/W)	Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
48	209 (W/P)	Self Test Input to PCM
49	89 (O)	Exhaust Gas Oxygen Sensor Return to PCM
50	—	Not Used
51	190 (W/O)	PCM to Air Management No.1 (Was TAB)
52	237 (O/Y)	PCM to Transmission Shift Solenoid No. 1
53	480 (P/Y)	PCM to Transmission Converter Clutch Control
54	—	Not Used
55	924 (BR/O)	PCM to Transmission Coast Clutch Solenoid
56	395 (GY/O)	Profile Ignition Pickup to PCM
57	361 (R)	Power Output from PCM Relay
58	555 (T)	PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
59	556 (W)	PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
60	570 (BK/W)	Dedicated Ground — PCM

Pin Number	Circuit	Circuit Function
1	778 (O)	Electrical Shift 4x4 Module to Motor Control
2	875 (BK/LB)	Ground Logic Module
3	57 (BK)	Ground
4	Open	Open
5	777 (Y)	Electrical Shift 4x4 Module to Motor Control Counterclockwise
6	779 (BR)	Electrical Shift 4x4 Module to Electronic Clutch
7	296 (W/P)	Fused Accessory Feed No. 1
8	517 (BK/W)	Circuit Breaker (Load Terminal) to Control Switch ("Batt" Terminal)

Pin Number	Circuit	Circuit Function
1	465 (W/LB)	Module to Switch
2	780 (DB)	Electrical Shift Module to 2H-4H Switch
3	781 (O/LB)	Electrical Switch to 4L Switch
4	782 (BR/W)	Electrical Shift Module to Low Range Indicator Lamp Roof Console
5	783 (GY)	Electrical Shift Module to Graphic Display Roof Console

Pin Number	Circuit	Circuit Function
1	463 (R/W)	Electric Transfer Case Module to Transmission Range Sensor
2	774 (LG)	Electrical Shift 4x4 Module to Speed Sensor Return
3	772 (LB)	Electrical Shift 4x4 Module to Speed Sensor Coil
4	771 (P/Y)	Electrical Shift 4x4 Module to Motor Position No. 5
5	770 (W)	Electrical Shift 4x4 Module to Motor Position No. 4
6	764 (BR/W)	Electrical Shift 4x4 Module to Motor Position No. 3
7	763 (O/W)	Electrical Shift 4x4 Module to Motor Position No. 2
8	762 (Y/W)	Electrical Shift 4x4 Module to Motor Position No. 1

OHMMETER READINGS FOR SHIFT MOTOR
POSITION SENSOR
Ohmmeter Connection	Transfer Case Gear Position
Ohmmeter Connection	2 High	4 High	4 Low
Meter Reading from Terminal No. 8 to No. 4	Short	Open	Short
Meter Reading from Terminal No. 8 to No. 5	Open	Open	Short
Meter Reading from Terminal No. 8 to No. 6	Short	Short	Open
Meter Reading from Terminal No. 8 to No. 7	Open	Short	Open

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

Pin Number	Circuit	Circuit Function
1	779 (BR)	Electrical Shift 4x4 Module to Electro-Magnetic Clutch
2	777 (Y)	Electrical Shift 4x4 Module to Motor Control Counterclockwise
3	774 (LG)	Electrical Shift 4x4 Module to Speed Sensor Return
4	772 (LB)	Electrical Shift 4x4 Module to Speed Sensor Return
5	771 (P)	Electrical Shift 4x4 Module to Motor Position No. 5
6	770 (W)	Electrical Shift 4x4 Module to Motor Position No. 4
7	764 (BR/W)	Electrical Shift 4x4 Module to Motor Position No. 3
8	763 (O/W)	Electrical Shift 4x4 Module to Motor Position No. 2
9	762 (Y/W)	Electrical Shift 4x4 Module to Motor Position No. 1
10	778 (O)	Electrical Shift 4x4 Module to Motor Control

Pin Number	Circuit	Circuit Function
1	57 (BK)	Ground Circuit
2	781 (O/LB)	Electric Shift to 4L Switch
3	780 (DB)	Electric Shift Module to 2H-4H Switch
4	465 (W/LB)	Module to Switch
5	782 (BR/W)	Electric Shift Module to Low Range Indicator Lamp Roof Console
6	783 (GY)	Electric Shift Module to Graphic Display Roof Console
7	640 (R/Y)	Warning Lamps Feed
8	19 (LB/R)	Instrument Panel Lamps Feed

Pin Number	Circuit	Circuit Function
1	904 (LG/R)	Ignition Switch "Coil"/"ACCY" to Alternator Regulator "IGN" Terminal
2	932 (GY/W)	Daytime Running Lamp
3	57 (BK)	Ground Circuit
4	450 (DG/LG)	Seat Belt Warning Indicator Lamp Feed
5	29 (Y/W)	Fuel Gauge to Fuel Gauge Sender
6	19 (LB/R)	Instrument Panel Lamps Feed
7	57 (BK)	Ground Circuit
7	398 (BK)	Tachometer Ground to Tachometer Gauge Module (Lighting Only)
8	2 (W/LB)	Front Turn Signal Lamp (RH)
9	648 (W/PK)	RPM Sensor Feed (Tachometer)
10	398 (BK)	Tachometer Ground to Tachometer Gauge Module (Gasoline Only)
11	784 (LB/BK)	4x4 Low Range Switch to PCM or Indicator Lamp
12	210 (LB)	Indicator Lamp to Switch (4x4)
13	640 (R/Y)	Warning Lamps Feed
14	16 (R/LG)	Ignition Switch to Ignition Coil "Batt" Terminal

Transmission Range Sensor 4R70W Transmission

Pin Number	Circuit	Circuit Function
1	32 (R/LB)	Starter Control
2	298 (P/O)	Fused Run Only Feed
3	140 (BK/PK)	Backup Lamp
4	33 (W/PK)	Starter Control to Interlock Module
5	57 (BK)	Ground Circuit
6	199 (LB/Y)	Manual Lever Position Sensor to PCM
7	359 (GY/R)	Sensor Signal Return
8	463 (R/W)	Electric Transfer Case Module to Transmission Range Sensor

Pin Number	Circuit	Circuit Function
1	57 (BK)	Ground Circuit
2	359 (GY/R)	Sensor Signal Return
3	199 (LB/Y)	Manual Lever Position Sensor to PCM
4	463 (R/W)	Electric Transfer Case Module to Transmission Range Sensor
5	33 (W/PK)	Starter Control to Interlock Module
6	140 (BK/PK)	Backup Lamp
7	298 (P/O)	Fused Run Only Feed
8	32 (R/LB)	Starter Control