Standard Ignition TS-124 Engine Coolant Temperature Sender

Engine Coolant Temperature Sender for Dash Warning Systems

Standard Ignition TS-124 is an engine coolant temperature sender built for vehicles that use a coolant temperature indicator light on the dashboard. It uses a screw-on, 1/8-27 NPT threaded design with a single male stud terminal for a direct electrical connection. This TS-124 sender is a practical OE-style replacement for older Dodge and Jeep applications that need accurate temperature signal switching.

Key Features

• Screw-on attachment method for threaded coolant ports
• 1/8-27 NPT thread size
• Single male stud terminal with no connector required
• Black and gold finish with brass and plastic construction
• Factory-calibrated and tested for switch actuation at the specified temperature
• Uses a thermal switch design with wax and bimetallic contact movement for precise electrical signaling

Product Details

Standard Ignition TS-124 is engineered for dependable coolant temperature warning operation in vehicles equipped with a dashboard indicator light. The sender uses calibrated thermal switching components to open and close the circuit at the specified temperature point, helping the warning system respond as intended. It is a strong match for classic Chrysler, Dodge, and Jeep truck and SUV applications, including 1978-1993 Dodge D150, 1987-1992 Dodge Dakota, and 1987-1991 Jeep Wrangler models with the correct indicator-light setup. This part cross-references Four Seasons 85222 for the same application.

Common Uses

• Restoring a non-working coolant temperature warning light
• Replacing a sender with incorrect temperature actuation
• Fixing intermittent dash temperature indicator operation
• Addressing poor electrical contact at the sender terminal
• Repairing coolant temperature signal issues on older Dodge and Jeep vehicles

Installation Notes

Verify the vehicle uses a coolant temperature indicator light on the dashboard before ordering. Confirm the thread size, terminal style, and sender location match the original part. Clean the mounting threads and ensure a solid electrical ground path during installation. For fitment, this part fits 1978-1993 Dodge D150, 1987-1992 Dodge Dakota, and 1987-1991 Jeep Wrangler, N/A; it also fits 1984-1990 Jeep Wagoneer, N/A and 1978-1993 Dodge Ramcharger, N/A when equipped with the correct warning-light system.

Quality Assurance

Standard Ignition manufactures this sender with controlled component quality, calibration, and testing throughout production. The design and calibration process are used to confirm switch operation at the specified temperature before the part is released.