INSTALLATION INSTRUCTIONS DUAL ELECTRIC FAN RELAY PDF fileBlue Wire (+) Black Wire (-) To chassis ground (-) Diagram #1 KIT CONTENTS QTY. DESCRIPTION 2 Relay Wire Harness 2 40/60 Amp Relay TOOLS NEEDED Wire Stripper Crimping Tool IMPORTANT Each Relay will control up to two different fans with a COMBINED MAXIMUM DRAW OF 25 CONTINUOUS AMPS. Relay #2 Electric Fan #1 Electric Fan #2 87 87A 30 86 85 Orange Fan (+) 3 Relay Dual Fan Wiring Diagram - Technology Now 3 relay dual fan wiring diagram. It uses our 40-Amp Electric Relay Kit part number 91064044 and Electric Fan Sensor part number 91064013. Painless Fan Relay Wiring Diagram Wiring Diagram. The Orange wire from the AC relay goes to the 12 volt of the AC compressor clutch wire. Wiring Dual Electric Fans - Speedway Motors For example, dual thermostat switches or dual relays could be used to control each fan separately. Or a single relay could be used to control both fans. The supplied diagram is both the most reliable and easiest method I’ve found. It uses our 40-Amp Electric Relay Kit, part number 91064044, and Electric Fan Sensor, part number 91064013. FAN RELAY HARNESS AND SWITCH KIT Z40078 PDF fileWIRING: A Northern Radiator fan relay kit can be installed for any single or dual fan application up to 40 Amp max combined to protect the vehicle wiring and electronics. FUSE HOLDER: Connect to (+) power supply within 12” of the battery. NOTE: A 30 Amp fuse is included, but in single fan applications use the How to Wire A 12v Relay with Diagram | autocardesign wiring diagram for auto relay wiring diagram article. Architectural wiring diagrams be active the approximate locations and interconnections of receptacles, lighting, and enduring electrical facilities in a building. Interconnecting wire routes may be shown approximately, where particular receptacles or fixtures must be upon a common circuit. How An Automotive Relay Works and How to Wire 'Em up What happens inside a relay isn't magic, but it is important. Understanding how the relay works will help with diagnosis and modifications to vehicle systems.