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Painless Performance 30106 Electric Fan Relay Kit with Thermostatic Switch for Gen III and up GM Engines (On 205/Off 190)

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$88.98

$ 37 .99 $37.99

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About this item

  • 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


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.