Two Inputs one Output

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Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=141297
Printed Date: May 13, 2025 at 8:14 AM

Topic: Two Inputs one Output

Posted By: pulsarman605
Subject: Two Inputs one Output
Date Posted: May 17, 2016 at 1:02 AM

Hoping someone can help with this one.

I have a reversing camera that comes on when reverse is selected (obviously). But I also want to add a switch to override that and be able to turn on the camera when I feel like it. Can this be achieved with relay?? I was trying to find anything about two inputs and one output, but cannot find anything.

Replies:

Posted By: howie ll
Date Posted: May 17, 2016 at 8:57 AM

No just power supply to switch to rev camera then a 3 amp diode on each before the join should be sufficient to bring on the camera without bringing on the back-up lights.

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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.

Posted By: howie ll
Date Posted: May 19, 2016 at 4:27 AM

Here you go, just too easy!2_source_supply.png

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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.

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