U90 / U91 ◑ Single-source

Oldsmobile · Regular Production Option

Roof flasher wiring (incl. roof reinforcement)

Years 1968–69 Models 1

Documented applications

Full-Size 88 / 98 →

• 1968–69 ◑ Single-source

  Police

This page aggregates every documented appearance of U90 / U91 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.