GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Terraza 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Power and Grounding Component Views
Figure 1:

Forward Lamp Harness Components
Object Number: 1512951 Size: LF
(1)C103 Forward Lamp Harness to LH Headlamp
(2)S101
(3)G101
(4)C110 Forward Lamp Harness to Cooling Fan Jumper Harness
(5)G100
(6)S102
(7)S104
(8)S100
(9)C104 Forward Lamp Harness to RH Headlamp
(10)S106
(11)Fuse Block - Underhood C3
(12)C120 I/P Harness to Forward Lamp Harness
(13)C126 I/P Harness to Forward Lamp Harness
(14)S103
Figure 2:

Right Side of Engine Compartment
Object Number: 1546083 Size: LF
(1)Battery
(2)C108 I/P Harness to Battery Cable Harness
(3)Rear Window Washer Fluid Pump Relay
(4)I/P Harness
Figure 3:

Engine Compartment Components - I/P Harness
Object Number: 1536065 Size: LF
(1)Fuse Block - Underhood
(2)Windshield Wiper Motor
(3)Brake Fluid Level Switch
(4)Windshield Washer Fluid Pump
(5)Rear Window Washer Fluid Pump
Figure 4:

Engine Electrical Components
Object Number: 1542535 Size: LF
(1)Fuse Block - Underhood (Battery Stud)
(2)G102
(3)Battery Current Sensor
(4)Generator
(5)Automatic Transmission
(6)G113
(7)G115 (Battery Cable)
(8)G115
(9)Starter Motor
(10)Battery
Figure 5:

Left Side of I/P Components
Object Number: 1536063 Size: LF
(1)Body Control Module (BCM)
(2)G201
(3)Brake Pedal Position Sensor
(4)Accelerator Pedal Position (APP) Sensor
(5)Data Link Connector (DLC)
(6)Body Harness
(7)Park Brake Switch
(8)BCM - C2
(9)BCM - C1
(10)BCM - C3 (Steering Column Harness)
Figure 6:

Steering Column Components
Object Number: 1517022 Size: LF
(1)Turn Signal/Multifunction Switch C3
(2)C279 Inflatable Restraint Steering Wheel Module Coil to Steering Wheel Harness
(3)Inflatable Restraint Steering Wheel Module Coil C1 Connector
(4)Inflatable Restraint Steering Wheel Module Coil C2 Connector
(5)Turn Signal/Multifunction Switch C2
(6)Turn Signal/Multifunction Switch C1
(7)Rear Wiper/Washer Switch
(8)Turn Signal/Multifunction Switch
(9)Turn Signal/Multifunction Switch C4
(10)S277 and S279
(11)C277 Inflatable Restraint Steering Wheel Module Coil to Steering Column Harness
(12)C275 Inflatable Restraint Steering Wheel Module Coil to Body Harness
(13)C201 Steering Column Harness to I/P Harness
(14)Steering Wheel Speed Position Sensor (JL4)
(15)Theft Deterrent Exciter Module Connector (Pigtail)
(16)Inflatable Restraint Steering Wheel Module Coil
(17)Theft Deterrent Exciter Module
(18)Ignition Switch
(19)A/T Shift Lock Control Solenoid Connector
Figure 7:

Right Side of I/P Components
Object Number: 1536068 Size: LF
(1)G200
(2)Blower Motor
(3)Blower Motor Resistor Assembly
(4)Recirculation Actuator
(5)Inflatable Restraint I/P Module
(6)Fuse Block - I/P
(7)Evaporative Temperature Sensor
(8)C205 I/P Harness to HVAC Jumper Harness (CJ3) (Air Temperature Actuator - Right)
Figure 8:

Left B Pillar Area Components - Body Harness
Object Number: 1536071 Size: LF
(1)G301
(2)Sliding Door Open/Close Switch - Left (E59) Connector
(3)Inflatable Restraint Side Impact Module - Left (AJ7)
(4)Inflatable Restraint Side Impact Sensing Module (SISM) - Left (AJ7)
(5)Body Harness
(6)C315 Left Side Impact Module Jumper Harness (AJ7) to Body Harness (AJ7)
(7)C305 Fuel Tank Harness and Rear Cross-Car Jumper Harness to Body Harness
(8)Seatbelt Pretensioner - LF
(9)Door Contact Plate - Left C1
Figure 9:

Right B Pillar Area Components - Body Harness
Object Number: 1536097 Size: LF
(1)Inflatable Restraint Side Impact Sensing Module (SISM) - Right (AJ7)
(2)G302
(3)Door Contact Plate - Right C1
(4)Seatbelt Pretensioner - RF
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(6)Body Harness
(7)C316 Inflatable Restraint Side Impact Module - Right Jumper Harness (AJ7) to the Body Harness (AJ7)
(8)Inflatable Restraint Passenger Seat Belt Tension Retractor Sensor
(9)Inflatable Restraint Side Impact Module - Right (AJ7)
Figure 10:

Left Rear Cargo - Body Harness
Object Number: 1536069 Size: LF
(1)Blower Motor - Auxiliary (C69)
(2)Blower Motor Control Module - Auxiliary (C69)
(3)Speaker - Rear Tweeter - Left
(4)Mode Actuator - Auxiliary (C69)
(5)Sliding Door Jamb Switch - Left (E59)
(6)Air Temperature Actuator - Auxiliary (C69)
(7)Auxiliary Power Outlet - Rear
(8)G401
(9)Rear Quarter Window Actuator - Left (A20)
Figure 11:

Right Rear Cargo Components - Body Harness
Object Number: 1536111 Size: LF
(1)Speaker - Rear Tweeter - Right
(2)Accessory AC/DC Power Control Module (KC7)
(3)C420 Rear Parking Assist Display Jumper Harness to Body Harness (UD7)
(4)Rear Quarter Window Actuator - Right (A20)
(5)C402 and C400 Liftgate Harness to Body Harness
(6)Rear Parking Assist (RPA) Display (UD7)
(7)G400
(8)Auxiliary Power Outlet - 115VAC (KC7)
(9)Sliding Door Jamb Switch - Right
(10)Rear Object Sensor Control Module (UD7)
(11)Rear Parking Assist (RPA) Diagnostic Connector (UD7)