Painless; 6 Pack Relay Block; With 50 Amp Circuit Breakers
Relay banks are ideal for powering accessories such as fuel pumps, water pumps, throttle stops, electric cooling fans, nitrous solenoids, etc. and for keeping the relays in a centralized location. Installation Instructions:...
Painless GM Gen III/IV Fan Relay Set (205 on, 190 off)
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...
Painless 3 Pack Relay Block With 50 Amp Circuit Breaker
Relay banks are ideal for powering accessories such as fuel pumps, water pumps, throttle stops, electric cooling fans, nitrous solenoids, etc. and for keeping the relays in a centralized location. Installation Instructions:...
Painless Waterproof Fuel Pump Relay Set
It's a good idea to relay your fuel pump for the street and a must when you're racing. Designed specifically to prevent voltage drops at the fuel pump to maintain constant fuel pump pressure and to prevent fuel pump amperage...
Painless Fan-Thom II Electric Fan Relay Set with 185° On - 175° Off Thermostat Protection
This Fan-Thom II kit comes with a threaded thermostat that screws into the engine block or intake manifold for a professional looking installation. This is inexpensive protection for an electric fan and a vehicle's wire...

Painless Fan-Thom II Electric Fan Relay Set with 185° On - 175° Off Thermostat Protection
Classic $45.99 set
Painless Fan-Thom Waterproof Electric Fan Relay Set
When you need protection from the harsh conditions, this set provides complete protection from the elements to ensure reliable and dependable performance. This is inexpensive protection for an electric fan and a vehicle's...
Painless Weatherproof Electric Water Pump Relay Harness Set
This relay harnesses set provides maximum battery voltage to maximize cooling efficiency and to protect the main electrical system from damaging amperage overloads. This weatherproof water pump relay harness is perfect for...
Painless PCM Controlled Fan Relay Set
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...
Painless High Amp Alternator Shutdown Relay Wiring Set
This set, complete with a 250 amp solenoid, will effectively handle alternator feedback of the highest amperage alternators. Eliminates engine run-on when the master disconnect is turned off. Alternator feedback can keep your...
Painless LSX Fan Relay w/205F Thermostatic Switch; Weatherproof; Gen III and Up
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...

Painless LSX Fan Relay w/205F Thermostatic Switch; Weatherproof; Gen III and Up
Classic $83.99 set
Weatherproof Fan Relay Kit w/thermostatic switch 195F On/185F Off
This weatherproof Fan-Thom II kit comes with a threaded thermostat that screws into the engine block or intake manifold for a professional looking installation. This is inexpensive protection for an electric fan and a...

Weatherproof Fan Relay Kit w/thermostatic switch 195F On/185F Off
Classic $68.99 set
Painless Auxiliary Light Relay Kit; with Switch
Install extra driving or fog lights easily with this kit. Comes with one lighted switch, switch base, wiring harness, mounting hardware, 30 AMP relay and connectors. Switch can be wired to turn lights on per state law...
Weatherproof Fan Relay Kit w/thermostatic switch 185F On/175F Off
This weatherproof Fan-Thom II kit comes with a threaded thermostat that screws into the engine block or intake manifold for a professional looking installation. This is inexpensive protection for an electric fan and a...

Weatherproof Fan Relay Kit w/thermostatic switch 185F On/175F Off
Classic $61.99 set
Painless Fan-Thom II Electric Fan Relay Set with 195° On - 185° Off Thermostat Protection
This Fan-Thom II kit comes with a threaded thermostat that screws into the engine block or intake manifold for a professional looking installation. This is inexpensive protection for an electric fan and a vehicle's wire...

Painless Fan-Thom II Electric Fan Relay Set with 195° On - 185° Off Thermostat Protection
Classic $51.99 set
Painless Waterproof Pcm Controlled Fan Relay Set
This PCM Controlled, Weatherproof 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....
Painless Park / Neutral Relay Wiring Kit
This Park / Neutral relay set uses the stock neutral safety switch to also provide for ECM park/neutral ground signal needed when installing factory-style fuel injection into older vehicles. For use with any aftermarket...
Painless Fan-Thom Electric Fan Relay Set
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...
Painless Performance Brake Light Relay Kit
When upgrading tail lights to the newer high wattage halogens, always use a relay. This kit gives you everything you need to protect your wiring and switches. Made in USA Installation Instructions: Download Here
Painless Universal Standard Fuel Pump Relay Wiring Set
Designed specifically to prevent voltage drops at the fuel pump to maintain constant fuel pump pressure and to prevent fuel pump amperage overloads from damaging the vehicle's electrical system. Set includes: 30 amp heavy...
Painless Electric Water Pump Relay Set
This relay harnesses provides maximum battery voltage to maximize cooling efficiency and to protect the main electrical system from damaging amperage overloads. Set includes: 30 amp relay 30 amp circuit breaker Relay base...