PCM Controlled Fan Relay Kit (Ground Activated) Part No 30109$ 40.49 Description This kit includes: SPST 40 Amp relay 30 Amp circuit breaker Relay base with harness Crimp-on terminals Mounting hardware This PCM Controlled, Fan Relay kit is inexpensive protection for an electric fan and a vehicle’s wire harness. Relay activation by grounding the relay coil can be provided by most Powertrain Control Modules. Provides direct battery power, protects PCM from voltage spikes and prevents the fan from back feeding through the vehicle’s wire harness. Related products LSX Thermostatic switch only 205F On/190F Off Part No 30113Select options LSX Fan Relay w/205F Thermostatic Switch – Weatherproof – Gen III and Up Part No 30127Select options Thermostatic switch w/adapter only (185 Deg F On/175 Deg F Off) Part No 30111Add to cart Thermostatic switch w/adapter only (195F On/185F Off) Part No 30110Select options This product has multiple variants. The options may be chosen on the product page LSX Thermostatic switch only 205F On/190F Off Part No 30113Add to cart