Relay for remote turn on?

[bradl79 10+ year member]

i am trying to understand how to set up a relay, so do i have to run an new wire from my pos battery terminal and run to the relay, i already have one going to my amp. then i need to ground the relay with another wire to another ground spot, then connect the remote turn on wire to the relay then i can run 2 or more remote turn on wires to the relay? am i understanding this correctly?

anyone have a good guide, thank you.

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[pacustomz 10+ year member]

Sent you a diagram

 

[OldSkull 10+ year member]

86 to remote from radio - 87 to 12v constant - 85 to ground - 30 to remote input from amps, EQs, XOs etc.

 

[maylar 10+ year member]

You can get the 12V from the amp power terminal. But treat it as if you were attaching to a battery and put a small fuse (2 amps maybe) close to the amp terminal.