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Two Sources, Activate Single Relay Wiring


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ingeld 
Member - Posts: 4
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Joined: November 30, 2019
Location: Florida, United States
Posted: November 30, 2019 at 11:19 AM / IP Logged Link to Post Post Reply Quote ingeld
I am trying to figure how to properly use two source to activate a single relay but not to back feed power from one source to another. Is there a special relay I need ?
geepherder 
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Joined: October 27, 2003
Posted: November 30, 2019 at 1:57 PM / IP Logged Link to Post Post Reply Quote geepherder
You can do what you want with a single relay. The simplest way to keep from backfeeding your sources to each other would be to use diodes.
Two Sources, Activate Single Relay Wiring - Last Post -- posted image.
My ex once told me I have a perfect face for radio.
ingeld 
Member - Posts: 4
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Joined: November 30, 2019
Location: Florida, United States
Posted: November 30, 2019 at 2:34 PM / IP Logged Link to Post Post Reply Quote ingeld
What type or part number diodes do i use .
geepherder 
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Joined: October 27, 2003
Posted: November 30, 2019 at 3:15 PM / IP Logged Link to Post Post Reply Quote geepherder
Just generic 1 amp switching diodes will work fine. I don't have a part number.
My ex once told me I have a perfect face for radio.

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