power one way, but not the other?

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=121442
Printed Date: May 11, 2025 at 1:43 AM

Topic: power one way, but not the other?

Posted By: bombsquad91
Subject: power one way, but not the other?
Date Posted: April 20, 2010 at 7:45 PM

Is there such a product?
posted_image

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".....um, is that wire hot?"

Replies:

Posted By: i am an idiot
Date Posted: April 20, 2010 at 7:54 PM

A diode will do this. How much current capacity do you need?

Posted By: bombsquad91
Date Posted: April 20, 2010 at 7:56 PM

It's for LED's in my headliner. I want the LED's to go on with the dome light and also with a switch.

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".....um, is that wire hot?"

Posted By: i am an idiot
Date Posted: April 20, 2010 at 8:03 PM

https://www.the12volt.com/diodes/diodes.asp

I have no idea how many LEDs you have, but a 1n4004 diode will handle 1 amp of current. Radio Shack sells this device.

Posted By: bombsquad91
Date Posted: April 21, 2010 at 5:36 PM

Thank you.

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".....um, is that wire hot?"

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