Ford Medium/Hvy Duty Step/Courtesy Light Bulb Size / Type
The recommended Step/Courtesy light bulb type / size for Ford Medium/Hvy Duty produced 1958 to 1972. To avoid mistakes when purchasing a replacement bulb, it's a good idea to refer to your owner's manual or consult with a qualified mechanic.
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| Model Year | Bulb Size / Type |
|---|---|
| 1972 | 105 |
| 1971 | 1004 |
| 1970 | 1004 |
| 1969 | 1004 |
| 1968 | 1004 |
| 1967 | 1004 |
| 1966 | 1004 |
| 1965 | 1004 |
| 1964 | 1004 |
| 1963 | 1004 |
| 1962 | 1004 |
| 1961 | 1004 |
| 1960 | 1003 |
| 1959 | 1003 |
| 1958 | 1003 |