Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALMOTORS, SWITCHES, RELAYSWIRING SYSTEMS & ELECTRICAL POWER MANAGEMENT (COMPONENT LOCATOR)COMPONENT LOCATIONS/VIEWSPOWER AND GROUNDING COMPONENT VIEWS
2005 Buick LeSabre Limited, 4T65E/M15
Power and Grounding Component Views
2005 Buick LeSabre Limited, 4T65E/M15SECTION Power and Grounding Component Views
| Callout | Component Name |
|---|---|
| 1 | G101 |
| 2 | G102 |
| 3 | G107 |
| 4 | G103 |
| 5 | G105 |
| 6 | G201 |
| 7 | G301 |
| 8 | G303 |
| 9 | G404 |
| 10 | G305 |
| 11 | G401 |
| 12 | G402 |
| 13 | G302 |
| 14 | G310 |
| 15 | G300 |
| 16 | G200 |
| 17 | G104 |
| 18 | G106 |
| 19 | G100 |
| Callout | Component Name |
|---|---|
| 1 | Body Harness |
| 2 | Fuse Block-Underhood C2 |
| 3 | Forward Lamp Harness |
| 4 | G103 |
| 5 | S100 |
| 6 | Fuse Block-Underhood C1 |
| 7 | C102 |
| Callout | Component Name |
|---|---|
| 1 | Fuse Block - Underhood C3 |
| 2 | Fuse Block - Underhood C1 |
| 3 | Fuse Block - Underhood C2 |
| Callout | Component Name |
|---|---|
| 1 | G100 |
| 2 | G104 |
| Callout | Component Name |
|---|---|
| 1 | Starter Solenoid |
| 2 | G101 |
| 3 | Positive Battery Cable |
| Callout | Component Name |
|---|---|
| 1 | G102 |
| 2 | G105 |
| Callout | Component Name |
|---|---|
| 1 | Brake Fluid Level Sensor |
| 2 | Cruise Control Module |
| 3 | C101 |
| 4 | G106 |
| Callout | Component Name |
|---|---|
| 1 | Ignition Control Module (ICM) |
| 2 | Radiator |
| 3 | Negative Ground Cable |
| 4 | G107 |
| 5 | Fuse Block - Underhood |
| 6 | Positive Battery Cable |
| Callout | Component Name |
|---|---|
| 1 | C215 |
| 2 | S215 |
| 3 | S216 |
| 4 | P100 |
| 5 | Inflatable Restraint Steering Wheel Module Coil |
| 6 | C200 |
| 7 | C202 |
| 8 | To Stop Lamp Switches |
| 9 | C500 |
| 10 | G200 |
| 11 | S217 |
| 12 | Park Brake Switch |
| Callout | Component Name |
|---|---|
| 1 | Blower Motor Connector |
| 2 | Inflatable Restraint IP Module |
| 3 | G201 |
| 4 | C600 |
| 5 | Right Side Body Harness |
| 6 | Dash Integration Module (DIM), C1 |
| 7 | Dash Integration Module (DIM), C2 |
| 8 | Dash Integration Module (DIM), C3 |
| 9 | P102 |
| 10 | C201 |
| 11 | S210 |
| Callout | Component Name |
|---|---|
| 1 | G300 |
| Callout | Component Name |
|---|---|
| 1 | G301 |
| 2 | G303 |
| Callout | Component Name |
|---|---|
| 1 | Fuse Block - Rear |
| 2 | Body Harness, Left Side |
| 3 | G302 |
| 4 | Lateral Accelerometer Sensor |
| Callout | Component Name |
|---|---|
| 1 | G305 |
| 2 | Body Harness, Right Side |
| 3 | Battery |
| 4 | C305 |
| 5 | S345 (w/UE1) |
| 6 | Battery Positive Cable |
| 7 | Fuse Block - Rear |
| Callout | Component Name |
|---|---|
| 1 | G310 |
| 2 | Body Harness, Left Rear |
| 3 | Rear Window Defogger Connector |
| Callout | Component Name |
|---|---|
| 1 | C405 |
| 2 | Rear Window Defogger Connector |
| 3 | G404 |
| 4 | Center High Mounted Stop Lamp (CHMSL) |
| Callout | Component Name |
|---|---|
| 1 | Remote Playback Device - CD Changer (Right Side Only) |
| 2 | C402 (RH); C400 (LH) |
| 3 | G401 (RH); G402 (LH) |
| 4 | Body Harness, Right (Left Similar) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.