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Your cart is empty.The HD Switch WaterProof LED Relay Makes Diagnostics a Breeze. HD Switch Integrated an LED Light to Show When the Relay has been Switched. The LED Light Turns On When The Relay is Activated. The LED Light Shows if the Relay is Getting Power and If the Relay is Switching Properly; Making Diagnostics Simple. The HD Switch Relay is IP68 Certified, 100% Sealed and Completely DustProof & WaterProof. This is a Costly Manufacturing Upgrade that Most Aftermarket Relays Do Not Have. Each HD Switch Relay Comes with a Free Packet of Dielectric Grease Used to Coat The Terminals and Protect against Corrosion.
Donna Johnson
Reviewed in the United States on June 11, 2024
every thing worked out fine.
Ed Feldpausch
Reviewed in the United States on October 28, 2024
works great
crazy-cruz20
Reviewed in the United States on September 3, 2023
Worst part is they’re made in China yet claim to be American made… 🤦🏽♂️
Ben Poczatek
Reviewed in the United States on September 14, 2023
Just what I wanted
tnbuggs
Reviewed in the United States on September 12, 2023
This 40 amp control relay works great.
Tigerman
Reviewed in the United States on November 29, 2023
My street rod has 2 of these relays. One to turn on the radiator cooling fan when a temperature is reached and the second as an override when the AC is turned on. I was experiencing intermittent fan operation so replaced both. Easy plug and play replacement. Like that these have a led indicator light when activated and that both are sealed from the elements as they are exposed to water, heat, and dirt. My issue was actually in the temp sender and not the relays but it is good to know that these shouldn’t be a future issue.
WaltA
Reviewed in the United States on January 24, 2022
This is plug in compatible. Thr only difference is it doesn't have the shrew hole to attach to the firewall.
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