25Pin Light Grey Female Car Audio Connector Aftermarket Stereo Connectors 160027-0012 – Precision-Matched Harness Adapter for Factory-to-Aftermarket Audio Upgrades

Upgrading your vehicle’s stereo shouldn’t mean compromising on reliability or risking damage to the factory wiring. The TS30377-25P-21-1 offers a smarter solution: a light grey female connector engineered to seamlessly integrate aftermarket head units with original vehicle harnesses. Designed as the mating counterpart to the TS30377-25P-11-1 male plug, this connector enables a clean, no-cut installation that preserves the integrity of the OEM wiring system. Whether you're installing a new radio in a sedan, SUV, marine vessel, or UTV, this adapter ensures full signal continuity across all audio, power, ground, and control circuits—without the need for splicing, soldering, or permanent modifications.

Core Features and Technical Data

Why Light Grey? Clarity, Contrast, and Professional Installation

The light grey housing isn’t just neutral—it’s strategic. In complex dashboard environments where black connectors blend into the shadows, a light-colored housing stands out, making it easier for technicians to identify, align, and verify connections. This is especially useful when working with multiple adapters or in low-light conditions. The color also provides a clean, professional aesthetic that matches modern vehicle interiors and aftermarket kits. Combined with precision-molded alignment guides and a secure locking tab, the TS30377-25P-21-1 ensures a reliable, rattle-free connection that withstands years of daily use.

Built to Perform in Demanding Mobile Environments

Automotive Connectors face constant challenges: vibration, temperature swings, moisture, and chemical exposure. The TS30377-25P-21-1 is built to handle them all. The housing, made from either PBT+GF15% or PA66+GF30%, delivers high mechanical strength, dimensional stability, and resistance to warping under heat. It operates reliably from -40°C to +120°C, making it suitable for extreme climates. Inside, the Terminals are crafted from copper alloy, brass, or phosphor bronze—metals known for excellent conductivity, low resistance, and long-term corrosion resistance. This ensures crisp audio signals, stable power delivery, and minimal voltage drop over time.

Custom Solutions for Brands and Distributors

We offer full OEM and ODM support for companies developing branded audio kits or specialized wiring solutions. Whether you need custom color coding, modified pin layouts, or private labeling, our team can assist with mold development, material selection, and scalable production. From prototype to mass manufacturing, we provide end-to-end support to bring your vision to life with high-quality, compliant components.

Manufactured to Automotive-Grade Standards

Every TS30377-25P-21-1 connector is produced in a certified facility following IATF 16949 (automotive quality), ISO14001 (environmental management), and RoHS (hazardous substance restriction) guidelines. Each unit undergoes 100% inspection before dispatch, including visual checks, terminal retention testing, and mating compatibility verification. This rigorous process ensures consistent performance and reliability across all production runs.

Need Help Confirming Fitment?

If you're unsure whether this light grey female connector is compatible with your vehicle’s factory harness, we’re here to help. Send us your car model, year, or a photo of the original plug, and our technical team will confirm compatibility. For rare or discontinued vehicles, we can assist in sourcing or manufacturing a tailored solution.

About TSCN – Trusted in Automotive Connectivity

Zhejiang Tongsheng Electronic Co., Ltd. (TSCN) has over 25 years of experience designing and manufacturing high-performance automotive connectors. Specializing in audio interface components and wire harness solutions, we serve installers, distributors, and OEM partners worldwide. Our commitment to quality, innovation, and customer service has made us a preferred supplier in the global aftermarket.

Request a Sample or Quote

To receive technical drawings, pinout diagrams, or pricing information, contact our sales team at mandy@tscn.com.cn. We offer fast response times and expert support to help you select the right components for your business or project.