Harness Routing Views. Pontiac Montana 2002

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2002 🢒 Montana 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Harness Routing Views

Figure 1:

Front of Vehicle


(1)	Brake Fluid Level Switch
(2)	Electronic Brake Control Module (EBCM), Brake Pressure Modulator Valve (BPMV)
(3)	Engine Harness
(4)	C171
(5)	Wheel Speed Sensor (WSS)
(6)	Brake Master Cylinder

Figure 2:

Rear, Left Side of Engine Compartment


(1)	Forward Lamp Harness
(2)	Windshield Wiper Motor
(3)	Rear Windshield Washer Fluid Pump
(4)	P100
(5)	I/P Harness
(6)	In-Line Connector C172, Engine Harness to Right Wheel Speed Sensor
(7)	Windshield Washer Fluid Pump
(8)	In-Line Connector C120, Engine Harness to Forward Lamp Harness
(9)	Fuse Block-Underhood Connector C2
(10)	Fuse Block-Underhood Connectors C4, C5, and C6

Figure 3:

Front of Engine Compartment


(1)	Engine Harness
(2)	Fuse Block-Underhood Connector C1
(3)	Cooling Fan-Right Connector
(4)	Cooling Fan Jumper
(5)	Cooling Fan-Left Connector
(6)	In-line Connector C105, Engine Harness to Cooling Fan Jumper Harness

Figure 4:

Lower Front of Engine


(1)	Crankshaft Position (CKP) Sensor A Connector
(2)	Knock Sensor (KS) Bank 1
(3)	Engine Oil Pressure (EOP) Switch
(4)	Starter Motor/Starter Solenoid
(5)	Ground G117
(6)	In-Line Connector C111, Engine Harness to Automatic Transmission Harness
(7)	Transmission Range Switch Connector C2
(8)	Transmission Range Switch Connector C1
(9)	Grounds G111 and G113
(10)	Fusible Link A and Link Z
(11)	Battery Cable
(12)	Engine Harness Connector to A/C Compressor Clutch

Figure 5:

Front, Right Side of Engine Compartment


(1)	Remote Battery Stud
(2)	Fuse Block-Underhood
(3)	Ground G100 (Battery Cable)
(4)	Ground G102 (Forward Lamp Harness)
(5)	Negative Battery Cable
(6)	Positive Battery Cable
(7)	Battery Harness

Figure 6:

LF of Engine Compartment


(1)	Powertrain Control Module (PCM) C1
(2)	Powertrain Control Module (PCM) C2
(3)	Powertrain Control Module (PCM)
(4)	Air Cleaner/ PCM Housing
(5)	Engine Wiring Harness
(6)	Forward Lamp Ground

Figure 7:

RF Wheel (LF Wheel Speed Sensor Similar)


(1)	RF Wheel
(2)	I/P Harness
(3)	In-line Connector C172
(4)	RF Wheel Speed Sensor Harness
(5)	RF Wheel Speed Sensor Harness Connector to RF Wheel Speed Sensor (pigtail) (LF Similar)

Figure 8:

Top, RH Side of Engine Compartment


(1)	Engine Harness
(2)	Pigtail Connector to Camshaft Position (CMP) Sensor Connector

Figure 9:

RH Side of I/P


(1)	Inflatable Restraint I/P Module
(2)	In-Line Connector C216 (Yellow), from Inflatable Restraint I/P Module to Body Harness
(3)	Recirculation Actuator

Figure 10:

RH Side of I/P


(1)	Mode Actuator
(2)	I/P Harness
(3)	Connector to Recirculation Actuator
(4)	Pass Through P100
(5)	Blower Motor Resistor Assembly
(6)	Blower Motor

Figure 11:

Below RH Side of I/P


(1)	Harness to Inflatable Restraint I/P Module (Yellow)
(2)	In-line Connector C200 of Body Harness (C203, LH Side Similar)
(3)	In-line Connector C200 of I/P Harness (C203, LH Side Similar)
(4)	In-Line C302 to RH Door Harness
(5)	In-Line C304 to RH Door Harness
(6)	Body Harness
(7)	In-Line Connector C216 (Yellow), Body Harness to Inflatable Restraint I/P Module

Figure 12:

Bottom of Cross Car Beam


(1)	Cross Car Beam
(2)	Ground G200 (G201, left hand side similar)
(3)	I/P Harness

Figure 13:

Oldsmobile Steering Wheel


(1)	Connector from Inflatable Restraint Steering Wheel Module Coil
(2)	Inflatable Restraint Steering Wheel Module
(3)	Ground from Horn Switches
(4)	To Horn Switches

Figure 14:

Base of Steering Column


(1)	In-Line Connector C205, I/P Harness to Steering Column Harness
(2)	Steering Column
(3)	In-Line Connector C215 (Yellow), I/P Harness to Inflatable Restraint Steering Wheel Module
(4)	In-Line Connector C201, I/P Harness to Steering Column Harness
(5)	SIR Harness
(6)	I/P Harness

Figure 15:

Video Entertainment System Relay and Splices


(1)	Video Entertainment System Relay, if equipped
(2)	S290
(3)	S291

Figure 16:

Video Cassette Player (VCP), Video Entertainment System (VES) Relay, and G210


(1)	G210
(2)	Video Cassette Player (VCP)
(3)	Video Entertainment System Relay, if equipped
(4)	Noise Suppression Ring, if equipped

Figure 17:

RH B-Pillar


(1)	RH B-Pillar
(2)	Dome Lamp Harness
(3)	Power Sliding Door Open/Close Switch Connector
(4)	In-line Connector C308, Body to Dome Lamp Harness
(5)	Body Harness
(6)	Ground G302
(7)	Power Sliding Door Open/Close Switch

Figure 18:

LH B-Pillar


(1)	HVAC Control Assembly-Auxiliary Connectors C1 and C2 or Roof Rear Console
(2)	Rear Seat Audio (RSA) Control of Roof Rear Console
(3)	Body Harness
(4)	LH B-Pillar
(5)	Ground G301

Figure 19:

Below Driver Seat


(1)	Driver Seat
(2)	Body Harness
(3)	Driver Seat Module Connectors
(4)	In-line Connector C313, C314 Similar, and Connector to Seat Belt Switch-Driver

Figure 20:

Underneath Vehicle, Behind Driver Seat


(1)	In-line Connector C305-Fuel Sender Harness
(2)	In-line Connector C305-Body Harness
(3)	In-line Connector C305-Electronic Brake Control Module (ECBM) Harness
(4)	Fuel Sender Harness
(5)	Electronic Brake Control Module (ECBM) Harness
(6)	Fuel Tank
(7)	Evaporator Emission (EVAP) Canister Vent Solenoid Valve

Figure 21:

Right Quarter Panel (Right Sliding Door Module) Left Similar


(1)	Sliding Door Jamb Switch-Right
(2)	Body Harness
(3)	Rear Sliding Door Alarm
(4)	Ground G402
(5)	Right Sliding Door Module
(6)	Right Sliding Door Module Connector C4 to Cable Motor in Rear Side Door Actuator Motor
(7)	Right Sliding Door Module Connector C3 to Clutch in Rear Side Door Actuator Motor
(8)	Right Sliding Door Module Connector C1
(9)	Right Sliding Door Module Connector C2
(10)	Optical Sensor Harness from Right Sliding Door Module Connector C5 to Optical Sensor in Rear Side Door Actuator Motor

Figure 22:

Behind Rear Left Wheelhouse


(1)	Connector to Air Temperature Actuator-Auxiliary
(2)	Ground 401, Secured to Lower LH D-Pillar
(3)	C405 (Inset)
(4)	Connector to Auxiliary Assembly-Blower Motor Resistor
(5)	Connector to Auxiliary Assembly-Blower Motor
(6)	Body Harness
(7)	HVAC Control Assembly-Auxiliary
(8)	Body Harness

Figure 23:

Below Vehicle, Rear of LR Wheelhouse


(1)	Pass Through P403
(2)	In-line Connector C407
(3)	Automatic Level Control (ALC) Harness
(4)	Automatic Level Control (ALC) Sensor Connector
(5)	Automatic Level Control (ALC) Air Compressor
(6)	Automatic Level Control (ALC) Air Inflator Relay
(7)	Automatic Level Control (ALC) Connector

Figure 24:

Video Cassette Player (VCP), Video Entertainment System Relay, and G210


(1)	G210
(2)	Video Cassette Player (VCP)
(3)	Video Entertainment System Relay, if equipped
(4)	Noise Suppression Ring, if equipped

Figure 25:

Auxiliary Module


(1)	Auxiliary Module (AM)
(2)	AM Connector C2 (6 Cavities) (GRY) -- Pigtail (Male)
(3)	AM Connector C2 (6 Cavities) (GRY) (Female) -- To Video Screen
(4)	AM Connector C4 (8 Cavities) (BLU) Pigtail (Male)
(5)	AM Connector C4 (8 Cavities) (BLU) (Female) -- To Interface Module
(6)	AM Connector C1 (10 Cavities) (NAT) (Male) -- To VCP Harness
(7)	AM Connector C1 (10 Cavities) (NAT) Pigtail (Female)
(8)	AM Connector C3 (4 Cavities) (BLK) (Female) -- to Interface Module
(9)	AM Connector C3 (4 Cavities) (BLK) Pigtail (Male)

Figure 26:

Interface Module


(1)	Interface Module (IM) Connector
(2)	Interface Module (IM)
(3)	Video Screen
(4)	Auxiliary Video Module (AVM) Connector C1 (NAT) -- Video Screen
(5)	C328 (8 Cavities)
(6)	C326 (4 Cavities)
(7)	Rear Seat Heater-A/C Control Connector

Figure 27:

Fuel Tank, Below LH Side, Middle of Vehicle


(1)	Fuel Sender
(2)	Fuel Tank
(3)	Fuel Tank C1 and C2 Connectors
(4)	Fuel Sender Harness
(5)	In-line Connector C305
(6)	Evaporative Emission (EVAP) Canister Vent Solenoid

Figure 28:

LF Door (RH Side Similar)


(1)	Pigtail Connector to Outside Rearview Mirror-Driver Motor Pack (RH Side Similar)
(2)	Pass Through P500 (P600 Similar)
(3)	In-line Connector C301 (C302, RH Side Similar)
(4)	In-line Connector C303 (C304, RH Side Similar)
(5)	Window Motor-Driver (RH Similar)
(6)	LF Door Harness (RH Similar)

Figure 29:

Underneath Rear of Vehicle


(1)	In-line Connector C309, Electronic Brake Control (ECBM) Harness to Wheel Speed Sensor (WSS)-LR Harness
(2)	Electronic Brake Control Harness
(3)	In-line Connector C306, Electronic Brake Control (ECBM) Harness to RR Wheel Speed Sensor (WSS)-RR Harness

Figure 30:

LH Tail Lamp (RH Similar)


(1)	Connector to Tail Lamp-Left
(2)	Body Harness
(3)	Pass Through P401 (P400 Similar)
(4)	Tail Lamp-Left

Figure 31:

Top, LH Side of Rear Body


(1)	Liftgate (Open Position)
(2)	Liftgate Harness
(3)	Body Harness
(4)	In-Line Connector C401
(5)	In-Line Connector C403
(6)	Pass Through P405 (P406 Similar)
(7)	LH Rear Body