Motormite 85100 Engine Coolant Temperature Sensor Connector

Engine Coolant Temperature Sensor Connector for GM Applications

Motormite 85100 is an engine coolant temperature sensor connector built to match the original hardware’s appearance and function on specified vehicles. It uses a 2-wire layout with an 18-inch harness and 18-gauge wire for a direct replacement on many Chevrolet, Buick, Oldsmobile, Cadillac, and GMC applications.

Use this connector when servicing a damaged, heat-aged, or corroded coolant temperature sensor plug on vehicles such as the Chevrolet Camaro, Chevrolet Corvette, and GMC Sonoma. The Motormite 85100 is designed for reliable electrical connection and consistent sensor signal transfer.

Key Features

• Engine coolant temperature sensor connector for OE-style replacement
• Motormite 85100 part number for catalog and fitment lookup
• 2-wire design with male pin terminals
• 18-inch wiring harness length
• 18-gauge wire construction
• Plastic terminal material
• Matches original appearance and function on listed applications

Detailed Description

This engine coolant temperature sensor connector is built for vehicles that use a 2-wire coolant temperature sensor switch connection. It is a practical replacement for worn, brittle, or heat-damaged connectors that can interrupt coolant temperature signal delivery to the engine control system. The Motormite 85100 is listed for a wide range of GM cars and trucks, including Chevrolet Camaro, Corvette, Lumina, S10, and GMC Safari applications, along with many Buick, Oldsmobile, and Cadillac models.

This part cross-references DENSO Auto Parts 5615 for the same application. If you are searching for an engine coolant temperature sensor connector for 1983-1996 Chevrolet Camaro, 1984-1996 Chevrolet Corvette, or 1991-1995 GMC Sonoma, Motormite 85100 is a direct catalog match for those listed vehicles.

Common Problems This Part Can Help Solve

• Broken or loose coolant temperature sensor connector terminals
• Corrosion at the sensor plug causing intermittent readings
• Heat damage to the original wiring pigtail
• Hard starting or drivability issues related to poor sensor connection
• Check engine concerns caused by unstable coolant temperature signal input

Installation Notes and Tips

Inspect the sensor and surrounding harness before installation to confirm the connector is the correct 2-wire style for the application. Verify terminal alignment and wire routing before securing the replacement connector. For best results, compare the original plug shape and terminal gender to the existing harness on the vehicle.

Compatible With 1983-1996 Chevrolet Camaro, 1984-1996 Chevrolet Corvette, 1990-1995 GMC Safari, and other listed GM applications. Also used on many Buick, Oldsmobile, Cadillac, and Chevrolet models covered by the fitment data for Motormite 85100.

Quality Assurance

Motormite states that this connector is engineered to match original appearance and function using quality materials for dependable performance and durability. The part is built as an OE-style replacement for listed applications.