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.
2003 Volvo S80 BaseFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Splices
SPLICES LOCATION
| Component | Component Location |
|---|---|
| 53/301 | In front engine compartment harness, at left side of compartment. |
| 53/303 | In front engine compartment harness, at right side of compartment. |
| 53/304 | In engine harness, at right side of engine. |
| 53/309 | In engine harness, at left side of engine. |
| 53/315 | In engine harness, at rear of engine. |
| 53/319 | In engine harness, at left front of engine. |
| 53/324 | In front engine compartment harness, at right side of compartment. |
| 53/326 | In engine harness, at left front of engine. |
| 53/328 | In engine harness, at rear of engine. |
| 53/329 | In front engine compartment harness, at left rear of compartment. |
| 53/331 | In front engine compartment harness, at left front of compartment. |
| 53/332 | In engine harness, at left front of engine. |
| 53/356 | In transmission harness, at left front of transmission. |
| 53/360 | In engine harness, at left rear of engine. |
| 53/375 | In engine harness, at left front of engine. |
| 53/376 | In engine harness, at left front of engine. |
| 53/378 | In front engine compartment harness, at left rear of compartment. |
| 53/379 | In front engine compartment harness, at right side of compartment. |
| 53/380 | In front engine compartment harness, at center rear of compartment. |
| 53/382 | In front engine compartment harness, at left front of compartment. |
| 53/384 | In front engine compartment harness, at left side of compartment. |
| 53/389 | In front engine compartment harness, at left front of compartment. |
| 53/390 | In front engine compartment harness, at right front of compartment. |
| 53/402 | In front passenger compartment harness, behind left end of dash. |
| 53/403 | In front passenger compartment harness, behind left end of dash. |
| 53/400 | In front passenger compartment harness, behind left side of dash. |
| 53/405 | In front passenger compartment harness, behind left side of dash. |
| 53/406 | In front passenger compartment harness, behind center dash. |
| 53/408 | In front passenger compartment harness, behind left end of dash. |
| 53/419 | In front passenger compartment harness, behind left end of dash. |
| 53/421 | In front passenger compartment harness, behind left side of dash. |
| 53/423 | In front passenger compartment harness, behind left side of dash. |
| 53/425 | In front passenger compartment harness, behind left side of dash. |
| 53/428 | In front passenger compartment harness, behind left end of dash. |
| 53/430 | In front passenger compartment harness, behind left kick panel. |
| 53/431 | In front passenger compartment harness, behind left kick panel. |
| 53/433 | In front passenger compartment harness, behind left side of dash. |
| 53/434 | In front passenger compartment harness, behind left side of dash. |
| 53/435 | In front passenger compartment harness, behind left kick panel. |
| 53/436 | In front passenger compartment harness, behind left kick panel. |
| 53/437 | In front passenger compartment harness, behind left end of dash. |
| 53/438 | In front passenger compartment harness, behind left side of dash. |
| 53/443 | In front passenger compartment harness, behind left end of dash. |
| 53/446 | In front passenger compartment harness, behind center dash. |
| 53/448 | In front passenger compartment harness, behind right kick panel. |
| 53/512 | In passenger compartment harness, at left rear door sill. |
| 53/513 | In passenger compartment harness, at left rear door sill. |
| 53/516 | In front passenger compartment harness, behind left end of dash. |
| 53/500 | In front passenger compartment harness, behind left kick panel. |
| 53/501 | In front passenger compartment harness, behind right side of dash. |
| 53/503 | In roof harness, at left front of roof. |
| 53/504 | In front passenger compartment harness, behind center dash. |
| 53/505 | In roof harness, at left front of roof. |
| 53/510 | In front passenger compartment harness, behind left kick panel. |
| 53/516 | In front passenger compartment harness, behind left end of dash. |
| 53/517 | In front passenger compartment harness, behind left end of dash. |
| 53/519 | In left front door harness, near 54/10. |
| 53/520 | In left front door harness, near 54/10. |
| 53/521 | In right front door harness, near 54/11. |
| 53/522 | In right front door harness, near 54/11. |
| 53/523 | In front passenger compartment harness, behind left kick panel. |
| 53/524 | In front passenger compartment harness, behind left kick panel. |
| 53/525 | In front passenger compartment harness, behind right side of dash. |
| 53/526 | In front passenger compartment harness, behind right end of dash. |
| 53/527 | In left rear door harness. |
| 53/528 | In right rear door harness. |
| 53/531 | In left rear door harness. |
| 53/532 | In right rear door harness. |
| 53/534 | In roof harness, at left front of roof. |
| 53/601 | In cargo compartment harness, at left side of trunk. |
| 53/602 | In cargo compartment harness, at left side of trunk. |
| 53/604 | In cargo compartment harness, at right side of trunk. |
| 53/608 | In cargo compartment harness, at left rear corner of trunk. |
| 53/609 | In cargo compartment harness, at left rear corner of trunk. |
| 53/615 | In cargo compartment harness, at left rear corner of trunk. |
| 53/625 | In cargo compartment harness, at left rear of trunk. |
| 53/627 | In cargo compartment harness, at left side of trunk. |
| 53/663 | In cargo compartment harness, at right rear corner of trunk. |
| 53/664 | In cargo compartment harness, at right rear corner of trunk. |
Factory Service Tools
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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.
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