Alarm System

Years 1963–79 Models 2 Factory citations 4

Also described as Horn alarm system

Documented applications

Corvette (C3)

1968 Factory-verified

$26.35; 388 built; first year offered

GM Heritage factory kit — 1968 Chevrolet Corvette, p.7.
1969 Factory-verified

$26.35; 12,436 built

GM Heritage factory kit — 1969 Chevrolet Corvette, p.5.
1970 Factory-verified

$31.60; 6,727 built

GM Heritage factory kit — 1970 Chevrolet Corvette, p.5.
1971 Factory-verified

$31.60; 8,501 built

GM Heritage factory kit — 1971 Chevrolet Corvette, p.6.

Impala / Full-Size

1963–70s (varies) Single-source

This page aggregates every documented appearance of UA6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.