2017 Ram 1500 Bulb Sizes

Quick Reference

The 2017 Ram 1500 offers a variety of lighting configurations depending on trim level and optional packages. Understanding the correct bulb sizes is crucial for replacements and upgrades. This guide details the most common bulb sizes across the Ram 1500 lineup.

Headlights

The 2017 Ram 1500 came with several headlight options. Base models typically featured reflector-style halogen headlights using H11 bulbs for the low beams and 9005 for the high beams. Mid-range trims often included projector-style headlights. These projector low beams commonly used 9012 (HIR2) bulbs, which offer improved light output over standard H11s, while retaining 9005 for the high beams. Top-tier trims, or those with optional lighting packages, could be equipped with advanced HID (High-Intensity Discharge) projector headlights. These systems utilized D3S HID bulbs for both low and high beams, often paired with an incandescent turn signal or a dedicated LED DRL strip.

Fog Lights

Most 2017 Ram 1500 models equipped with front fog lights will use either an H10 or 9145 halogen bulb. These two bulb types are often interchangeable, but it's always best to check your owner's manual or the existing bulb for precise confirmation.

Daytime Running Lights (DRL)

Daytime Running Lights on the 2017 Ram 1500 often shared the front turn signal bulb, particularly on models with halogen headlights. In these cases, a 3157 or 4157NAK dual-filament bulb serves both functions. Higher trim levels with projector or HID headlights might have dedicated LED DRL strips integrated into the headlight housing, which are typically not user-replaceable bulbs.

Turn Signals

Both the front and rear turn signals on most 2017 Ram 1500 models utilize 3157 dual-filament halogen bulbs. For the front, some models may use a 4157NAK, which is an amber-coated version of the 3157. Always ensure you are using an amber bulb for turn signals to comply with regulations.

Brake, Tail, and Reverse Lights

The brake lights and tail lights on the 2017 Ram 1500 typically use 3157 dual-filament halogen bulbs. The reverse lights commonly use a 3057 halogen bulb. Some higher trims or specific packages might feature LED taillight assemblies, where individual LEDs are usually not serviceable and require replacement of the entire unit if a section fails.

License Plate and Side Marker Lights

For the license plate illumination and both front and rear side marker lights, the common bulb size is the small 194 wedge-base halogen bulb. These are generally straightforward to replace.

Interior Lighting

Inside the cabin, the dome light often uses a 578 festoon-style halogen bulb. Map lights, on the other hand, frequently use 194 wedge-base halogen bulbs. On more premium trim levels of the 2017 Ram 1500, these interior lights, particularly the dome and map lights, might be factory-equipped with LED modules for a brighter, crisper light. If your vehicle has factory LEDs, individual bulb replacement is usually not possible without replacing the entire fixture.

LED vs Halogen Upgrade Considerations

Upgrading your 2017 Ram 1500 from halogen to LED bulbs can significantly improve brightness, longevity, and aesthetics. However, there are important considerations:

• CANBUS Errors: Modern vehicles like the Ram 1500 use a CANBUS (Controller Area Network Bus) system to monitor electrical circuits. LED bulbs draw significantly less power than halogens, which can trick the CANBUS into thinking a bulb is out, triggering