Overview MSD Relay & Wiring Kits protect your electrical system and provide reliable and consistent power for your high performance electric fan, electric water pump, or electric fuel pump. These kits include high quality heavy gauge wiring, 30 Amp Relay, 30 Amp circuit breaker, pre-wired relay connector, crimp terminals & hardware. Each kit comes with easy to follow instructions that are specifically for that application. Temperature Controlled Cooling Fan Harness & Relay Kit w/ 195 degree temperature switch. 30 Amp Relay and Circuit Breaker Features Crimp Terminals & Hardware Wiring Harness is 8 Ft. Long 10-18 Ga. Wire 30 Amp Circuit Breaker 3 Styles of Electric Fan Kits - Available w/ Manual Control, 180°, or 195° Temperature Switch Simple Easy to Follow Instructions Special Relay Connector Has Slots that Allow Additional Relays to Be Nested Together for Clean Installation Ideal for High Amp Draw & High Performance Cooling Fans, Water Pumps & Fuel Pumps 30 Amp Relay w/ Pre-Wire Connector TECHNICAL SPECS Length 8