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Best Method to Wire (4) Switches & Relays?

MotoMedic

By MotoMedic
in Audio, Electronics & Software

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MotoMedic Senior Enthusiast

MotoMedic

Posted
Posted

As the title says, I'm trying to decide the best method for wiring four illuminated accessory rocker switches and relays, while also having all of them turn on/off with keyed ignition.

 

My thoughts so far involve using 5 relays...

Relay #1 - Input + from battery; on/off from RAP / keyed ignition; output + to the illuminated switches.

Relays #2-5 - Input + from battery; on/off from illuminated switches; output + to accessories.

 

Is there a better/simpler way..?

Carder09 Senior Enthusiast

Carder09

Posted
Posted

If I could only show you a matrix assembly from the f-16 lol. Your idea seems pretty good . I would think it better to use your method so you can isolate a relay if a switch stops working. If not, you could splice the positive output(s) together and use less relays.

MotoMedic Senior Enthusiast

MotoMedic

Posted
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Posted

Update: I've done many wiring projects in the past but never LEDs. Looking at my Carling rocker switches, they're rated for 10 amps each. Then I looked at my lights... max current that'll be pulled by any of the circuits: 3.8 amps. So, realized I'll only need one relay for RAP on/off then split to four switches. Sweet!

 

Thank you to everyone who commented.

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