Powertrain Control Module (PCM) Connectors

Powertrain Control Module (PCM) C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15354782 65-Way F (BU)
Pin	Wire Color	Circuit No.	Function
1	L-BU	1162	APP Sensor 2 Signal
2	D-BU	1161	APP Sensor 1 Signal
3	L-BU	1320	Stop Lamp Supply Voltage
4	GY/BK	1694	4WD Low Signal (NP8)
5	GY/BK	87	Cruise Control Resume/Accel Switch Signal
6	D-BU	84	Cruise Control Set/Coast Switch Signal
7	BN/WH	419	MIL Control
8	OG/BK	510	Low Reference
9	-	-	Not Used
10	BN	1271	Low Reference
11	PU	1272	Low Reference
12	BK	2759	Low Reference
13	BK	2760	Low Reference
14	BK	2751	Low Reference
15-16	-	-	Not Used
17	GY	397	Cruise Control On Switch Signal
18	-	-	Not Used
19	PK	439	Ignition 1 Voltage
20	OG	440	Battery Positive Voltage
21	PK	1020	Ignition 0 Voltage
22	PU	1589	Fuel Level Sensor Signal - Primary
23-24	-	-	Not Used
25	YE/BK	1827	Vehicle Speed Signal
26-27	-	-	Not Used
28	PU	420	TCC Brake/Cruise Control Release Switch Signal
29	D-GN	1433	PNP Switch Signal
30	TN	472	IAT Sensor Signal
31	PU	806	Crank Voltage
32	D-GN/WH	817	Vehicle Speed Signal
33-40	-	-	Not Used
41	RD/BK	380	A/C Refrigerant Pressure Sensor Signal
42	D-GN/WH	459	A/C Compressor Clutch Relay Control
43	D-BU	2364	Cooling Fan Speed Signal
44	BN	436	Air Pump Relay Control (K18)
45-47	-	-	Not Used
48	YE/BK	625	Starter Enable Relay Control
49	WH	121	Engine Speed Signal
50-53	-	-	Not Used
54	GY	2700	5-Volt Reference
55	WH/BK	1164	5-Volt Reference
56	-	-	Not Used
57	WH/BK	2366	Cooling Fan Clutch Control
58	YE	710	Class 2 Serial Data
59	D-GN	1049	Class 2 Serial Data
60	GY	2365	Low Reference
61	D-GN	890	Fuel Tank Pressure Sensor Signal
62	GY	2709	5-Volt Reference
63	TN	1274	5-Volt Reference
64-65	-	-	Not Used

Powertrain Control Module (PCM) C2 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15354781 65-Way F (D-GY)
Pin	Wire Color	Circuit No.	Function
1	PU	574	Low Reference
2	L-GN/BK	822	VSS Low Signal
3	D-GN/WH	465	Fuel Pump Relay Control - Primary
4	L-BU/WH	1229	Pressure Control Solenoid Valve Low Control
5	RD/BK	1228	Pressure Control Solenoid Valve High Control
6	YE/BK	846	Fuel Injector 6 Control
7	BK/WH	845	Fuel Injector 5 Control
8	L-BU/BK	844	Fuel Injector 4 Control
9	YE	573	CKP Sensor Signal
10	PU/WH	821	VSS High Signal
11	TN/BK	464	Delivered Torque Signal
12	OG/BK	463	Requested Torque Signal
13	-	-	Not Used
14	BK	1744	Fuel Injector 1 Control
15	L-GN/BK	1745	Fuel Injector 2 Control
16	PK/BK	1746	Fuel Injector 3 Control
17	WH	1310	EVAP Canister Vent Solenoid Control
18	TN/WH	1669	HO2S Low Signal - Bank 1 Sensor 2
19	YE	410	ECT Sensor Signal
20	D-GN/WH	428	EVAP Canister Purge Solenoid Control
21	-	-	Not Used
22	BN	418	TCC PWM Solenoid Valve Control
23	PU/WH	1665	HO2S High Signal - Bank 1 Sensor 1
24	-	-	Not Used
25	L-GN	432	MAP Sensor Signal
26	PU/WH	1668	HO2S High Signal - Bank 1 Sensor 2
27	WH	687	3-2 Shift Solenoid Valve Control
28	BK/WH	771	Transmission Range Switch Signal A
29	TN/BK	231	Oil Pressure Switch Signal
30	BK/WH	1423	HO2S Heater Low Control - Bank 1 Sensor 2
31	D-GN	676	HO2S Heater Low Control - Bank 1 Sensor 1
32	TN	1664	HO2S Low Signal - Bank 1 Sensor 1
33	-	-	Not Used
34	L-BU/WH	2126	IC 6 Control
35	L-BU	2123	IC 3 Control
36	-	-	Not Used
37	TN/BK	422	TCC Solenoid Valve Control
38	-	-	Not Used
39	BN	2198	Camshaft Position Solenoid Actuator High Control
40	D-GN	2125	IC 5 Control
41	D-GN/WH	2124	IC 4 Control
42	RD/WH	2122	IC 2 Control
43	-	-	Not Used
44	PU	2121	IC 1 Control
45-50	-	-	Not Used
51	GY	23	Generator Field Duty Cycle Signal
52-53	-	-	Not Used
54	OG/BK	469	Low Reference
55-56	-	-	Not Used
57	YE/BK	1223	2-3 Shift Solenoid Valve Control
58	BK	2761	Low Reference
59	L-GN	1222	1-2 Shift Solenoid Valve Control
60-61	-	-	Not Used
62	BK	2199	Low Reference
63	-	-	Not Used
64	GY	2704	5-Volt Reference
65	BK	450	Ground

Powertrain Control Module (PCM) C3 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15354780 65-Way F (WH)
Pin	Wire Color	Circuit No.	Function
1	D-BU	496	KS 1 Signal
2	RD	225	Generator Turn On Signal
3	GY	2701	5-Volt Reference
4-7	-	-	Not Used
8	BK	2762	Low Reference
9	L-BU	1876	Knock Sensor 2 Signal
10	D-BU	1225	Transmission Fluid Pressure Switch Signal B
11	-	-	Not Used
12	YE	772	Transmission Range Switch Signal B
13	WH	776	Transmission Range Switch Signal P
14	PU	421	Air Solenoid Relay Control (K18)
15	-	-	Not Used
16	BK/WH	1704	Low Reference
17	PK	839	Ignition 1 Voltage
18	RD	631	12-Volt Reference
19	RD	1226	Transmission Fluid Pressure Switch Signal C
20	GY	773	Transmission Range Switch Signal C
21	PK	1224	Transmission Fluid Pressure Switch Signal A
22	YE/BK	1227	TFT Sensor Signal
23	GY	1716	Low Reference
24	-	-	Not Used
25	BN	582	TAC Motor Control - 2
26	YE	581	TAC Motor Control - 1
27	-	-	Not Used
28	D-GN	485	TP Sensor 1 Signal
29	PK/BK	632	Low Reference
30	PU	486	TP Sensor 2 Signal
31	GY	2303	Low Reference
32-48	-	-	Not Used
49	L-BU/BK	1688	5-Volt Reference
50	-	-	Not Used
51	BN/WH	633	CMP Sensor Signal
52-57	-	-	Not Used
58	PU	114	Low Oil Pressure Switch Signal
59	BK	2752	Low Reference
60	GY	597	5 Volt Reference
61-65	-	-	Not Used