UT5 ✓ Factory-verified

GMC · Regular Production Option

Radio, AM, ETR

Years 1989 Models 1 Factory citations 1

Query this via API →

Also documented for Chevrolet

Documented applications

Sonoma — first generation (1982–1993) →

• 1989 ✓ Factory-verified

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

  ⛭ GM Heritage factory kit — 1989 Chevrolet S 10, p.24.

This page aggregates every documented appearance of UT5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.