Sunroof, manual, non-removable glass

Years 1988–90 Models 2 Factory citations 5

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Also documented for Chevrolet Pontiac

Documented applications

Jimmy — first generation (1983–1994)

1988–1989 Factory-verified

shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.12.
GM Heritage factory kit — 1989 Chevrolet Blazer, p.19.

Sonoma — first generation (1982–1993)

1988–1990 Factory-verified

shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

GM Heritage factory kit — 1988 Chevrolet S 10, p.35.
GM Heritage factory kit — 1989 Chevrolet S 10, p.24.
GM Heritage factory kit — 1990 Chevrolet S 10, p.22.

This page aggregates every documented appearance of AD3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.