Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Cold Override Temperature Switch
Cold override temperature switch is a three way switch. Points can be closed to provide cold override, hot light activation or neutral position. At engine temperatures below 82°F, bi-metal post contacts "cold" terminal, closing circuit to CEC solenoid. At approximately 82°F, contact is broken, and post will remain in neutral position during normal operating conditions. When normal operating temperature is exceeded (275°F), post contacts "hot" terminal to activate dash mounted "hot light".
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.