Honda Prelude Instrument Panel Bulb Size

Additional Notes

• The Honda Prelude instrument panel uses two bulb types across its model years: the 74 and the 158, both classified under ANSI standards applicable to the US and Canadian markets.
• The 74 bulb is a T5 miniature wedge type rated at 12V and 1.4W, while the 158 bulb is a T10 miniature wedge type rated at 12V and 3W.
• Although both are miniature wedge bulbs sharing the same 12V operating voltage, the T5 and T10 designations indicate different physical sizes, meaning the two types are not interchangeable.
• The 74 bulb is the more frequently specified type across the Honda Prelude instrument panel fitment data, appearing in the majority of model years from 1979 through 2001.
• The 158 bulb is specified for the 1980-1982, 1984, 1988, and 1990 model years of the Honda Prelude instrument panel.
• The 74 bulb draws 1.4W, while the 158 draws 3W, a difference that reflects the larger T10 envelope of the 158 and its correspondingly higher light output relative to the T5 74 bulb.
• The Honda Prelude (1979) uses the 74 bulb, while the immediately following 1980 model year shifts to the 158, illustrating that the instrument panel bulb specification changed at least once within the early production run.
• The 74 bulb remained the sole specified type for the Honda Prelude instrument panel from 1991 through 2001, representing an uninterrupted eleven-year fitment period.