Painless Wiring 30101 Cooling Fan Relay
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 Includes SPST 40 Ampere Relay 30 Ampere Circuit Breaker Relay Base With Harness Crimp-On Terminals Mounting Hardware Limited 1 Year Warranty
Specifications
Compatibility - Universal
Ampere Rating (A) - 40 Ampere
Terminal Type - Threaded
Quantity - Single Relay
Includes Wiring Harness - Yes
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. An absolute necessity if adding a dash mounted manual on/off switch to your electric fan circuit.