Phillips 1004B2 Dome Light Bulb

Phillips 1004B2 Dome Light Bulb Overview

The Phillips 1004B2 is a standard 12-volt dome light bulb built for interior lighting service across a wide range of classic and late-model vehicles. With a clear bulb color, twist-type base, and BA15d fitment, it is a direct choice for restoring cabin illumination in applications such as Dodge Ram 1500, Chevrolet Caprice, and Pontiac 6000.

Phillips Standard - Twin Blister Pack is the brand’s value-focused lighting line for everyday replacement needs. The 1004B2 follows that approach with a straightforward interior bulb specification that supports dependable dome light performance without unnecessary complexity.

• 12.8V operating voltage for standard automotive electrical systems
• 12.03W wattage for interior dome light use
• Clear bulb color for clean cabin illumination
• Twist-type design with BA15d base and 3-contact configuration
• Direct replacement style for many interior lighting applications
• Cross-reference: 73861

Detailed Product Description

Phillips 1004B2 is a dome light bulb engineered for vehicles that use a BA15d twist base and 3-contact layout. Its 12.8-volt rating and 12.03-watt output make it a practical replacement for interior lamps where consistent light output matters. This part number is listed across a broad range of fitments, including 1994-1997 Dodge Ram 1500, 1982-1991 Pontiac 6000, and 1987-1990 Chevrolet Caprice, along with many other classic Chrysler, Buick, Cadillac, Oldsmobile, GMC, Jeep, and Pontiac applications.

For buyers searching by vehicle, this bulb is commonly referenced for dome light bulb replacement in Dodge Ram 2500 and Ram 3500 models, as well as older full-size GM cars and trucks that use the same interior lamp configuration. The Phillips 1004B2 part number is also useful when cross-checking catalog listings against OE-style interior bulb references.

Common Problems This Bulb Can Address

• Dim or failed dome light output
• Interior lighting that flickers from an aging bulb
• Loss of cabin visibility when opening doors at night
• Incorrect bulb type during interior light replacement
• Need for a direct-fit replacement in BA15d twist-base applications

Installation Notes and Tips

Verify the existing bulb base, contact layout, and voltage before installation. This bulb is listed for dome light service, so match the original interior lamp style and confirm the vehicle’s socket uses a BA15d twist-type design. For best results, handle the bulb carefully during installation and avoid forcing it into the socket.

Fitment examples include Fits 1994-1997 Dodge Ram 1500, N/A; Fits 1982-1991 Pontiac 6000, N/A; and Fits 1987-1990 Chevrolet Caprice, N/A. Additional listings cover many Buick, Cadillac, Oldsmobile, Chrysler, Jeep, GMC, and Pontiac models across the 1953-1997 range.

Quality Assurance

Phillips Standard lighting products are positioned as value-oriented replacement parts for everyday automotive use. The 1004B2 is built to the stated electrical and base specifications for interior lighting applications and is backed by the manufacturer’s standard product quality expectations.