T63 ◑ Single-source

Pontiac · Regular Production Option

Headlamp warning buzzer

Years 1975 Models 1

Documented applications

Firebird / Trans Am →

• 1975 ◑ Single-source

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