Radio, AM/FM stereo, stereo cassette tape, extended range sound system

Years 1982–84 Models 1 Factory citations 3

Documented applications

Camaro — Gen 3 (1982–1992)

1982–1984 Factory-verified

the 1983-1984 guides describe it as electronically tuned, with clock

GM Heritage factory kit — 1982 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1983 Chevrolet Camaro, p.26.
GM Heritage factory kit — 1984 Chevrolet Camaro, p.7.

This page aggregates every documented appearance of YE4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.