Pioneer AVH-X8500BHS Video bypass using a relay??

[gstewart24]

Hey guys, I need help with this. Apparently this 8500 series has to have a double pulse relay in order to bypass. Can someone explain the best way to do this. Someone told me to use the reverse wire as a trigger. Not sure what to do. Thanks!

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[CrossoverOre 10+ year member]

pac tr7 will get it done

 

[gstewart24]

Thanks, but is there a way to do this using a relay?