JL9 Confirmed

Oldsmobile · Regular Production Option

Wheel-lock control (1971) / True-Track Braking (1972) — early rear-wheel anti-lock

Years 1970–72 Models 1

Also described as Wheel-lock control (rear anti-lock braking, "True-Track" from 1972)

Documented applications

This page aggregates every documented appearance of JL9 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.