Data Communication Connector End Views. Chevrolet TrailBlazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Data Communication Connector End Views

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	WH	2282	Headlamp Washer Relay Control (CE4)
A3	OG	1140	Battery Positive Voltage
A4	BK/WH	1969	Headlamp High Beam Relay Control
A5	PK/WH	1970	Headlamp Low Beam Relay Control
A6	PK	5363	Inclination Sensor Low Reference (BAE)
A7-A11	--	--	Not Used
A12	WH	278	Ambient Light Sensor Signal
B1	L-GN	1037	Class 2 Serial Data
B2	BK	279	Ambient Light Sensor Low Reference
B3	L-GN	2270	Rear Window Washer Relay Control
B4	GY/BK	2226	Instrument Panel Lamps Dimmer Switch Low Reference
B5	GY	705	5-Volt Reference
B6	WH	2283	12-Volt Reference
B7	OG/BK	2090	Courtesy Lamps Supply Voltage
B8	L-GN	1011	Remote Radio Control Signal (STW)
B9	GY	391	Rear Window Wiper Switch Signal
B10	YE	1836	Security System Sensor Signal (w/o BAE)
B11	GY	2521	Right Sunload Sensor Signal (CJ2)
B12	L-BU/BK	2519	Left Sunload Sensor Signal (CJ2)

Pin	Wire Color	Circuit No.	Function
E1-E2	--	--	Not Used
E3	L-GN	80	Key In Ignition Switch Signal
E4	YE	307	Headlamp Switch Flash to Pass Signal
E5	GY/BK	308	Park Lamp Switch On Signal
E6	PK/BK	109	Hood Ajar Switch Signal (UA2)
E7	PK	1348	Headlamp On Indicator Control
E8	BK	1835	Security System Sensor Low Reference (w/o BAE)
E9	RD/WH	812	12-Volt Reference (w/o BAE)
E10	--	--	Not Used
E11	D-GN/WH	1317	Fog Lamp Relay and Indicator Control (T96)
E12	BK	28	Horn Relay Control
E13	--	--	Not Used
E14	TN	5463	Daytime Running Lamp Override Indicator (w/o WX7)
E15-E16	--	--	Not Used
F1-F2	--	--	Not Used
F3	D-GN	113	Windshield Wiper Switch Signal 2
F4	D-BU/WH	1495	Courtesy Lamps On Signal
F5	BN/WH	1871	Headlamp Washer Switch Signal (CE4)
F6	OG	192	Front Fog Lamps Switch Signal (T96)
F7	L-BU	187	Rear Fog Lamps Switch Signal (T79)
F8	L-GN	5462	DRL Defeat Switch Signal (w/o WX7)
F9	WH	103	Headlamp Switch Headlamps On Signal
F10	L-GN	11	Headlamp High Beam Supply Voltage
F11	PU	328	Interior Lamp Defeat Switch Signal
F12	--	--	Not Used
F13	PK	5068	Intrusion Sensor Switch Disable Signal (BAE)
F14-F16	--	--	Not Used

Pin	Wire Color	Circuit No.	Function
A1	--	2140	Battery Positive Voltage
A2	--	2140	Battery Positive Voltage
A3	--	748	Right Rear Door Ajar Switch Signal
A4	--	1134	Park Brake Switch Signal
A5	--	195	Door Lock Control
A6	--	2265	Power Window Lockout Left Rear Control
A7	--	HD11	Not Used
A8	--	747	Left Rear Door Ajar Switch Signal
A9	--	LD14	Not Used
A10	--	LD16	Not Used
A11	--	1350	Ground
A12	--	1353	RAP Supply Voltage
A13	--	194	Door Unlock Control
A14	--	1080	Park Lamp Relay Control
A15	--	LS05	Power Sounder Enable Signal (BAE)
A16	--	1828	Intrusion Sensor Data Signal (BAE)
A17	--	A12	Not Used
A18	--	992	Ignition 0 Voltage
A19	--	39	Ignition 1 Voltage
A20	--	541	Ignition 3 Voltage
B1	--	230	Instrument Panel Lamps Dimming Control
B2	--	230	Instrument Panel Lamps Dimming Control
B3	--	690	Courtesy Lamp Supply Voltage
B4	--	2240	Battery Positive Voltage
B5	--	1196	Power Window Switch Right Rear Up Signal
B6	--	2266	Power Window Lockout Right Rear Control
B7	--	1188	Power Window Switch Right Rear Down Signal
B8	--	1185	Power Window Switch Left Rear Up Signal
B9	--	1187	Power Window Switch Left Rear Down Signal
B10	--	LD11	Not Used
B11	--	1350	Ground
B12	--	24	Backup Lamp Supply Voltage
B13	--	4440	Battery Positive Voltage
B14	--	1382	LED Dimming Signal
B15	--	543	Accessory Voltage
B16	--	HS02	Not Used
B17	--	4040	Battery Positive Voltage
B18	--	1732	Courtesy Lamps Supply Voltage
B19	--	1977	Rear Fog Lamp Relay and Indicator Control
B20	--	LS03	Incline Sensor Signal (BAE)

Pin	Wire Color	Circuit No.	Function
1	--	--	Not Used
2	PU	1132	DLC Class 2 Serial Data
3	--	--	Not Used
4	BK	2250	Ground
5	BK/WH	751	Ground
6	D-BU	6105	High Speed GMLAN Serial Data (+)
7-13	--	--	Not Used
14	L-BU/BK	6106	High Speed GMLAN Serial Data (-)
15	--	--	Not Used
16	OG	640	Battery Positive Voltage