The Dodge Ram 5500 brake light requires a 1157 bulb size for proper installation and function within the lighting assembly. Data for 1157 bulb specifications covers the period from 2008 through 2010.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Dodge Ram 5500 uses the 1157 bulb for brake lights across the 2008-2010 model years.
The 1157 is a dual-filament bulb, meaning it serves two lighting functions within a single unit, typically stop and tail light operation.
It operates on a BAY15d bayonet base, a two-pin offset base design that prevents incorrect bulb insertion.
The 1157 runs at 12V with a wattage rating of 21W on the high-filament circuit and 5W on the low-filament circuit.
The center high mount stop light on the Dodge Ram 5500 uses the 912 bulb across the 2008-2010 model years.
The 912 is a single-filament wedge-type bulb in the T15 form factor, which uses no base pins and instead relies on the contact of its glass envelope leads for electrical connection.
The 912 is rated at 12V and 12W and is classified as a variant of the 921 bulb.
The 912 and 921 share the same T15 wedge base and voltage rating, but differ in wattage; the 921 is rated at 16.8W, making the two bulbs not directly interchangeable in all applications.
Both the 1157 and 912 conform to ANSI standards applicable in the United States and Canada.