Cutlass Salon option

Years 1970, 1973–75 Models 2

Also described as Demand wiper system

Documented applications

Cutlass / 4-4-2

1973–75 Confirmed

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Full-Size 88 / 98

1970 Confirmed

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This page aggregates every documented appearance of Y-78 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.