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.
2005 Pontiac GTO AutomaticFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Grounds
GROUNDS LOCATION
| Component | Location |
|---|---|
| G102 | Engine compartment in right front wheelwell. See Figure. |
| G103 | Right side of engine, attached to ABS bracket. See Figure. |
| G104 | Front of engine, near right valve cover, attached to block. See Figure. |
| G105 | Rear of engine, near left valve cover, attached to block. See Figure. |
| G300 | Above the transmission. See Figure. |
| G301 Attached to the left rear SDM mounting stud. See Figure. |
|
| G900 | Right Rear taillamp stud. See Figure. |
| G901 | Center of vehicle, below deck lid. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.