1SC ◑ Single-source

Pontiac · Regular Production Option

Option package 3

Years 1988, 1990–92 Models 2

Query this via API →

Also described as Option group 3

Also documented for BuickCadillacChevroletGMCSaturn

Documented applications

Fiero (1984–1988) →

• 1988 ◑ Single-source

  1988 from the OSG; the rparts and Halderman lists agree

Firebird — Third generation (1982–1992) →

• 1988, 1990–1992 ◑ Single-source

  Firebird years: 3rdgenformula option pages 1988, 1990–1992

This page aggregates every documented appearance of 1SC in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.