Aux Switches with Pre-run Wires

Raptor911

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This is what I am talking about >> https://www.wirebarn.com/30-Amp-Automotive-Relay-with-6-Socket-Pigtail-Plastic-Tab_p_193.html

or this

https://www.amazon.com/ONLINE-LED-STORE-Switch-Harness/dp/B01NBAO1SA

A relay actually does not have a fuse...Usually a fuse is either wired into a relay box to use for the acc, an inline fuse is used, or the accessory has it's own fuse...all the relay is an electronic A/B switch (in a single pole, double throw relay)...or a DPDT (double pole, double throw) is like two A/B switches in one (in very layman's terms)...

Pole - how many inputs
Throw - how many outputs
Again in layman's terms because a SPDT can be used in reverse (like two inputs and one output)
 

tmobileguy

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So the first link actually does not have a fuse with it...the 30a is referring to the capacity of the relay, but absolutely no fuse with it....

The second one, it looks like they attached a fuse holder to the side of the relay and are selling it as a combo unit...but a relay and a fuse are definitely two different things with two different purposes...
 

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