Painless Performance 30106 Electric Fan Relay Kit with Thermostatic Switch (On 205°F/Off 190°F) - Compatible with Gen III & Newer GM Engines - Improve Cooling for Trucks, SUVs & Performance Vehicles

This Fan-Thom II kit comes with a threaded thermostatic switch that screws into the extra coolant temperature sensor port of the passenger engine head on Generation III and up GM engines for a professional looking installation. This is inexpensive protection for an electric fan and a vehicle's wire harness. Provides constant voltage, protects from voltage and amperage spikes and prevents the fan from back feeding voltage through the vehicle's wire harness. This kit includes: SPST 40-amp relay, 30-amp circuit breaker, 12x1. 5M thread thermostatic switch 205 degrees on/190 degrees off, relay base with harness, crimp-on terminals and mounting hardware.

Threaded thermostatic switch screws into the engine block or intake manifold for a professional looking installation

Provides constant voltage, protects from voltage and amperage spikes and prevents the fan from back feeding voltage through the vehicle's wire harness

Thermostatic switch turns on at 205 degrees and off at 190 degrees; Switch has 12x1. 5M thread

Kit includes SPST 40-amp relay, 30-amp circuit breaker, thermostatic switch, relay base with harness, crimp-on terminals and mounting hardware