Standard Ignition S2478 HVAC Heater Core Temperature Sensor Connector

HVAC Heater Core Temperature Sensor Connector

Standard Ignition S2478 is a direct replacement HVAC heater core temperature sensor connector for repairing damaged factory wiring without replacing the full harness. It uses a female square connector design with two female blade terminals and 2-wire construction for a clean electrical repair on select Dodge, Ram, Chrysler, Jeep, and Mitsubishi applications.

Protective tubing is included, and the connector is built with high-grade terminal materials and a polyamide resin housing for dependable performance in harsh underhood and cabin environments. Standard Ignition S2478 is a practical choice for restoring a secure sensor connection on vehicles such as the Ram 1500, Dodge Charger, and Jeep Grand Cherokee.

Key Features

• Direct replacement HVAC heater core temperature sensor connector
• Female connector with square housing
• 2 female blade terminals with 2-wire layout
• Protective tubing included
• High-grade terminal materials for stable electrical contact
• Polyamide resin housing for durability in demanding conditions
• 100% tested for mechanical and electrical fit, form, and function

Detailed Description

Standard Ignition S2478 is engineered for replacing a damaged HVAC heater core temperature sensor connector at the connector level, helping avoid unnecessary harness replacement. The connector is built with copper alloy, brass, and phosphor bronze terminal materials, while the housing uses polyamide resins to support long service life and consistent performance. This part cross-references 68137860AA and EC2390 for the same application. It is a fitment-based solution for vehicles including 2011-2024 Ram 1500, 2019-2024 Dodge Durango, and 2018-2022 Jeep Grand Cherokee, as well as other listed Chrysler, Dodge, Ram, and Mitsubishi models.

What It Helps Fix

• Broken or heat-damaged HVAC sensor connector housing
• Corroded or loose terminal contact at the heater core temperature sensor
• Intermittent temperature sensor signal caused by connector wear
• Cracked wiring connector at the HVAC sensor circuit
• Failed electrical connection during HVAC temperature control diagnosis

Installation Notes and Tips

Verify connector shape, terminal style, and wire count against the original part before installation. Match the existing harness wiring carefully and inspect the sensor side for corrosion, heat damage, or bent terminals before connecting the new plug. This connector is listed for probe applications on select Chrysler 300, Dodge Challenger, Dodge Charger, Dodge Durango, Dodge Grand Caravan, and Jeep Grand Cherokee models, along with Ram 1500, Ram 2500, and Ram 3500 coverage across the listed years.

Quality Assurance

Standard Ignition tests these electrical connectors for proper mechanical and electrical fit, form, and function. The use of high-grade terminal metals and a polyamide housing supports reliable service in HVAC electrical repair applications.