General Motors option code
U89
U89: a General Motors factory option code reused for more than one part across 1964–1988 and 3 models — see the table for what it named each year, with installs and price where a source states them.
General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.
3 models · 8 model years · 4 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1964 | Oldsmobile Starfire | Wiring provisions, trailer RPO | $10.76 | Unknown |
| 1965 | Oldsmobile Starfire | Wiring harness, trailer electrical RPO | $10.76 | Unknown |
| 1966 | Oldsmobile Starfire | Wiring harness, trailer electrical RPO | $10.53 | Unknown |
| 1979 | Buick Riviera | Trailer Tow Flasher & Harness - 5 Wire order code (Buick option code) | $22 | Unknown |
| 1981 | Buick Riviera | Trailer Tow flasher & Harness - 5 Wire order code (Buick option code) | $23 | Unknown |
| 1982 | Buick Riviera | Trailer Tow Flasher & Harness 5-wire order code (Buick option code) | $28 | Unknown |
| 1986 | Buick Riviera | Trailer Tow Harness order code (Buick option code) | $30 | Unknown |
| 1988 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Wiring harness, trailer electrical, 5-wire. Classic: available; Classic Brougham: available. RPO | Unknown | Unknown |
Every row traces to the source it links from on that model's own year page; this table only collects them in one place.