Description
This Coolant Temperature Sensor Connector Wiring Harness Pigtail Plug is a direct replacement electrical connector designed to restore a secure and reliable connection to your vehicle’s Coolant temperature sensor. Over time, factory connectors can become brittle, damaged, or corroded from heat, fuel exposure, and vibration, causing poor electrical contact and triggering diagnostic trouble codes or fuel system performance issues.
This replacement pigtail harness provides a durable, high-quality solution for repairing damaged wiring or broken connectors without replacing the entire engine wiring harness. The connector is designed to match the original sensor plug for a proper fit and dependable signal transmission to the ECU.
Manufactured with heat-resistant wiring, durable insulation, and OEM-style terminals, this pigtail helps ensure accurate fuel temperature readings, which are essential for proper fuel injection timing and engine performance.
Features
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Direct replacement Coolant temperature sensor connector
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Ideal for repairing damaged, melted, or corroded plugs
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Restores proper electrical connection and sensor signal
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High-quality wiring with durable insulation
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Saves time and cost compared to replacing the full harness
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Compatible with many diesel and fuel-injected engine applications
Typical Symptoms of a Bad Connector
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Check engine light related to Coolant temperature sensor
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Intermittent sensor readings
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Engine running issues due to incorrect Coolant temperature data
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Visible damage or corrosion at the connector
This Coolant Temperature Sensor Connector Pigtail is an easy and reliable way to restore proper fuel system sensor operation and keep your engine running smoothly.
Code P0117 on a 2006 Dodge / Freightliner / Mercedes T1N Sprinter (2001–2006) means:
