2024 Base Bronco Amp power boards install - trigger wire?

[Gary B]

I have a base Bronco 2 door and I can't find the trigger wire to make them operate called Amp tec line and the wires they are telling me to use is not working

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[Southside_Ray]

Is this an amp for speakers or subwoofer? Location? I have two amps in my two-door base Sasquatch and one is hooked up with a harness splitter to the factory stereo and the other one is hooked up to my 12 volt outlet wire in the back for power