Headlamp warning buzzer

Years 1970–79 Models 3

Also described as Headlamp Warning (buzzer)Buzzer headlamp

Documented applications

Camaro

1970s Confirmed

Corvette (C3)

1977 Single-source

price/qty NA
1978 Single-source

No price/count listed

Nova / Chevy II

1975 Confirmed

This page aggregates every documented appearance of T63 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.