Product#: 30108

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:...


Product#: P30106

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...


Product#: 30107

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:...


Product#: 30131

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...


Product#: P30103

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...


Product#: 30130

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...


Product#: 30132

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...


Product#: 30109

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...


Product#: 50105

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...


Product#: 30127

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...


Product#: 30128

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...


Product#: 30803

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...


Product#: 30129

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...


Product#: 30102

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...


Product#: 30133

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....


Product#: 60122

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...


Product#: 30101

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...


Product#: 30105

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


Product#: 50102

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...


Product#: 50106

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...