General Motors option code
UM7
UM7: a General Motors factory option code reused for more than one part across 1979–1997 and 4 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.
4 models · 8 model years · 8 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1979 | Buick Riviera | Digital Readout AM-FM Stereo Radio order code (Buick option code) | $182 | Unknown |
| 1980 | Buick Riviera | Signal Seeking AM-FM Stereo Radio w/Digital Readout order code (Buick option code) | $185 | Unknown |
| 1980 | Pontiac Firebird and Trans Am | AM/FM ETR Radio with Seek and Scan (includes Digital Clock) RPO/UPC | $375 | Unknown |
| 1981 | Pontiac Firebird and Trans Am | AM/FM ETR Radio with Seek and Scan (includes Digital Clock) RPO/UPC | $402 | Unknown |
| 1982 | Buick Riviera | ETR AM-FM Stereo Radio order code (Buick option code) | $90 | Unknown |
| 1983 | Buick Riviera | ETR AM-FM Stereo Radio order code (Buick option code) | $125 | Unknown |
| 1985 | Buick Riviera | AM/FM Stereo order code (Buick option code) | Unknown | Unknown |
| 1986 | Buick Riviera | Basic Feature ETR AM/FM Stereo Radio order code (Buick option code) | Unknown | Unknown |
| 1986 | Chevrolet El Camino SS | ETR AM/FM stereo with seek, scan and digital clock RPO | $297 | Unknown |
| 1997 | Pontiac Grand Prix | Delco ETR AM/FM stereo with clock and 4-speaker sound (SE sedan standard) 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.