- 1967–72 Confirmed
—
UY1 Factory-verified
Also described as Camper wiring harness
Also documented for CadillacGMC
Documented applications
- 1998–2000 Factory-verified
This page aggregates every documented appearance of UY1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.