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12V Relay Back Feed


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millsner 
Member - Posts: 1
Member spacespace
Joined: February 09, 2022
Location: Alberta, Canada
Posted: February 14, 2022 at 11:13 AM / IP Logged Link to Post Post Reply Quote millsner
Hello, new to forum. Trying to wire up an override switch for my electric fans on my hot rod but for some reason I keep getting back feed from the battery circuit to the ignition circuit on my override relay. I can tell the back feed is coming from the 85/86 side of the override relay as when either side of this is unplugged, the back feed stops. Also if I unplug the 30 on the override relay this will also stop the back feed. Looking for some help on how to properly wire this up. I want the fans to work on ignition normally but when i push the fan override switch, I would like that fan relay to then be powered off of battery power. I have attached a quick schematic. 12V Relay Back Feed - Last Post -- posted image.
Millsner
catback 
Silver - Posts: 697
Silver spacespace
Joined: August 13, 2002
Location: Canada
Posted: February 14, 2022 at 4:25 PM / IP Logged Link to Post Post Reply Quote catback
This your backfeed path. I suggest you try a different circuit design.
12V Relay Back Feed - Last Post -- posted image.

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