2001 C5 Instrument Panel Connector End Views

Instrument Panel Cluster (IPC)


Connector Part Information		12065803 34-Way F Micro-Pack 100 Series (BLK)
Pin	Wire Color	Circuit No.	Function	Purpose	Description	Signal Type
A1	--	--	Not Used
A2	LT GRN	11	Headlamp High Beam Supply Voltage	Indicates to IPC the High Beam status	12V = High Beam On 0V = High Beam Off	In
A3	WHT	103	Headlamp Switch Headlamps On Signal	Indicates to IPC the Headlight status	12V = Headlight On 0V = Headlight Off	In
A4	BLK/WHT	99	Windshield Washer Fluid Level Signal	Indicates to IPC the Washer Level status (must stay active for 1 minute)	12V = Washer Level Low 0V = Washer Level Normal	In
A5	--	--	Not Used
A6	TAN/WHT	33	Brake Warning Indicator Control	Indicates to IPC the Brake(!) light status	12V = Brake(!) light Off 0V = Brake(!) light On	In
A7	DK GRN/WHT	817	VSS Signal	Indicates to IPC the Vehicle speed	Held 12V and pulsed to 0V by PCM indicating Vehicle RPM	In
A8	YEL/BLK	68	Low Coolant Level Indicator Control	Indicates to IPC the Coolant Level status	12V = Coolant Level Low 0V = Coolant Level Normal	In
A9	--	--	Not Used
A10	DK GRN/WHT	357	Oil Temperature Sensor Signal	Indicates to IPC engine Oil Temperature	Has thermistor between this pin and B8	Analog
A11	GRY	1036	IPC Class 2 Serial Data	Communicates with all other computer modules in the car	7.5V (approx) = Data buss Active 0V = Data buss Idle	Digital In/Out
A12	--	--	Not Used
A13	PNK	139	Ignition 1 Voltage	Switched power Footwell fuse 19 IPC (10A)	12V = Ign Start and Run 0V = Ign Off	In
A14	ORN	1640	Battery Positive Voltage	Full time unswitched power Footwell fuse 25 BCM1& IPC (10A)	12V = Always 0V = Blown fuse or wiring problem	12V
A15	LT BLU	14	Turn Signal Lamp Feed-LF	Indicates to IPC the Left turn signal status	12V = Left turn signal On 0V = Left turn signal Off	In
A16	DK BLU	15	Turn Signal Lamp Feed-RF	Indicates to IPC the Right turn signal status	12V = Right turn signal On 0V = Right turn signal Off	In
A17	WHT	121	Engine Speed Signal	Indicates to IPC the Engine speed	Held 12V and pulsed to 0V by PCM indicating Engine RPM	In
B1	--	--	Not Used
B2	BLK/WHT	238	Driver Seat Belt Switch Signal	Indicates to IPC the Seat Belt light status	12V = Seat Belt light Off 0V = Seat Belt light On	In
B3	--	--	Not Used
B4	PPL	333	Brake Warning Indicator Supply Voltage [1]	Internally tied to pin A6 (see A6)	Internally tied to pin A6 (see A6)	In
B5	WHT	717	Illuminated Display Signal	Controls backlight intensity for HUD, DIC, and Fog/Trunk switches	PWM ground varied by Dimmer control. 100% (12V) = Dim, 0% (0V) = Bright	Out
B6	GRY/BLK	1458	Instrument Panel Lamp Supply Voltage - 4	Indicates to IPC the Hazard switch status	12V = Hazard switch On 0V = Hazard switch On	In
B7	--	--	Not Used
B8	BLK	470	Oil Temperature Sensor Signal Low Reference	Indicates to IPC engine Oil Temperature	Has thermistor between this pin and A10 (Internally connected to GND)	Gnd
B9	--	--	Not Used
B10	--	--	Not Used
B11	WHT	375	Skip Shift Indicator Control	Indicates to IPC the 1 to 4 Shift light status (PCM can be programmed as shift light control)	12V = 1 to 4 Shift light Off 0V = 1 to 4 Shift light On Controlled by PCM	In
B12	--	--	Not Used
B13	BLK/WHT	851	Ground	Ground	Ground G104 Splice pack SP208	Gnd
B14	--	--	Not Used
B15	BLK	150	Ground	Ground	Ground G201 Splice pack SP201	Gnd
B16	BRN/WHT	419	MIL Control	Indicates to IPC the Check Engine light status	12V = Check Engine light Off 0V = Check Engine light On Controlled by PCM	In
B17	BRN	9	Park Lamp Supply Voltage	Indicates to IPC the park light status	12V = Headlight switch Park or Head 0V = Headlight switch Off	In

Apply +12V to ALL pins indicated in RED
Ground at least one of the pins indicated in GREEN (all Green pins are tied together internally)