ACDelco Marker Light Connector

ACDelco Marker Light Connectors: Factory-Quality Electrical Reliability

When a marker light connector fails, the consequences go beyond a dimmed bulb — poor electrical contact can trigger warning lights, create intermittent faults, and even compromise roadside visibility and safety. ACDelco has long been the benchmark for GM-sourced electrical components, and their marker light connectors are a prime example of why technicians and enthusiasts alike reach for the ACDelco name first.

GM Original Equipment Engineering in Every Connector

ACDelco marker light connectors are produced under two trusted product tiers. The GM Original Equipment line represents the exact components used on the assembly line — ACDelco GM Original Equipment pigtail connectors are ready to be spliced into vehicle harnesses and are GM-recommended replacements for your vehicle's original components, manufactured to fit GM vehicles and deliver the same performance, durability, and service life you expect from General Motors.

For those working on a broader range of makes and models, ACDelco's Gold (Professional) aftermarket tier fills the gap. ACDelco Gold Electrical System products are the high-quality alternative to OE parts, manufactured to meet GM fit, form, and function expectations — making them a smart choice for many makes and models.

Built to Handle the Elements

Marker light connectors live in some of the harshest corners of a vehicle — wheel wells, front fascias, and rear cargo areas where heat, moisture, and road grime are constant threats. ACDelco addresses this head-on with thoughtful engineering details. Protective outer coverings help provide long-lasting durability, and color-coded wires allow for easy installation. These protective outer coverings are designed to withstand harsh conditions, and the connectors allow for hassle-free repair.

Specific Product Lines to Know

ACDelco's marker light connector lineup covers a wide range of GM platforms. Notable part numbers in this category include:

• PT1844 – A 2-terminal side marker light connector widely used across GM passenger car applications.
• PT3156 – A roof marker light connector designed for trucks and commercial vehicles that require top-mount clearance lighting.
• LS301 – The ACDelco GM Original Equipment Side Marker Lamp Connector, fitting models such as the 2010–2015 Chevrolet Camaro, and serving as a GM-recommended replacement for body-electrical and lighting systems.
• PT2675 – A versatile side marker connector covering additional GM light-duty truck and SUV fitments.

Why Choose ACDelco for Marker Light Connectors?

GM Original Equipment and ACDelco aftermarket pigtail connectors, lamp sockets, and trailer connectors offer precise fit, longevity, and high-quality performance. Unlike generic connectors that may require modification or that use inferior terminal materials, ACDelco connectors are engineered to plug directly into the OEM harness without adaptation — a detail that matters enormously when working against the clock on a repair. GM Genuine Parts and ACDelco Gold parts are designed to deliver the quality, reliability, and durability of factory specifications for GM vehicles, while ACDelco Gold parts are also offered for other makes and models.

Whether you are restoring proper side marker function on a Silverado, Camaro, Tahoe, or a range of other GM vehicles, ACDelco's marker light connector selection provides the confidence of a factory-engineered part at a practical price point. Browse the full Marker Light Connector category or explore the complete ACDelco parts catalog to find the right connector for your application.