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Your cart is empty.This relay kit is ideal for use with high amperage single fans or with standard dual cooling fan applications. Protects the electrical system from voltage and amperage spikes and prevents the fan from feeding voltage back through the vehicles' wiring system. This kit includes: SPST 70-amp heavy duty relay, relay base with harness (6' input, 2' output), 70-amp maxi fuse with mounting base and cover, crimp on terminals & mounting hardware.
ironman
2025-08-31 16:05:36
After fumbling around with the cheap 40 amp relay kits, Hayden included; these cheap kits all are insufficient for eFans. Melting wires, bad crimp connections, inferior materials all caused me to just cut the crap out literally and buy a relay kit that won't melt down. My efan pulls an easy 35 amps. Wiring is straight forward and easy if you know what you're doing. I wish I'd have just bought this kit from the start. Works flawlessly. I have it wired to come on with the AC compressor but do plan to install a pilot relay for stat control as well as this kit requires additional control wiring such as this, being a basic relay setup. It works, and I am happy finally.
Jeff c.
2025-07-03 16:54:42
As the title says I used this to do the high speed blower motor mod in my 92 Dodge D350. Worked Perfect, easy and clean install. It costs a little more but it beats sourcing parts and making your own.
Customer
2025-06-21 10:34:49
Most impressive relay I’ve ever bought/used. Relays electrical signals in a shocking fashion. 10/10 would recommend.
Customer
2025-06-03 15:32:53
This is a great product. Wasted alot of time trying to find the components to run an electric fan upgrade.Heard about Painless, problem solved.
chickenhead
2025-05-12 15:34:54
Very good heavy duty Fan Relay Kit, easy to install and handle duel fans without any issues.
juan a dominguez
2025-04-24 10:54:15
Works great.I just wanted to add its content. The kit comes with 70 amp fuse, fuse holder with mounting screws, wiring hardware, relay, relay connector and wires. plus wiring instructions and the wires are marked to make things easy.
JMartin2nd
2024-12-10 15:04:17
Good quality solid connections for my electric fan
Spiro
2024-11-12 17:19:40
I have a 2012 f350 that had wires corroded off the fuse box ECM relay. I used this harness to relocate the 70 amp relay. Everything works fine now. A longer ground would have been helpful but it was not used for a fan application.
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