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OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Main Engine Wiring Harness
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Wiki page
5.7L V8 Naturally Aspirated LS1 (350hp).
Quick reference
Verify any potential differences in connector types between models.
Check for mid-cycle changes that may affect fitment.
Consider differences in harness routing for performance modifications.
Context
The main engine wiring harness for the 2002 Chevrolet Corvette (part number 12108064) is crucial for connecting various engine components to the vehicle's electrical system. When sourcing this part, consider compatibility with other models in the C5 generation, specifically from 1997 to 2004, as they share similar wiring configurations. Inspect the harness for signs of wear, such as frayed wires or corroded connectors, which are common failure points. Installation requires careful routing to avoid interference with moving parts. Always verify that the replacement harness has the same connector types and pin configurations to ensure proper operation. For alternative sourcing, part number 12108063 may also be used, particularly from certain Camaro models, but confirm the fitment specifics before purchase.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2002 | Chevrolet | Corvette | 5.7L V8 Naturally Aspirated LS1 (350hp) | 80% |
Available parts

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