6J3 Factory-verified

GMC · Regular Production Option

Wiring provisions, headlamp flasher, grille lamps and speakers

Years 2007–09 Models 1 Factory citations 2
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Also documented for CadillacChevrolet

Documented applications

This page aggregates every documented appearance of 6J3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.