This is what is needed:
Not that the capacitors isolate the 300k (aux trigger) from any other resistive influence. In this case the B1 end goes to the Dynavin connections. ie cut the current two wires 4 and 3 insert this into the current dynavin circuit.
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X3 3.0d 2006 update, DVN-E83 GPS with reversing camera, Alpine SPS410 in doors, Earthquake SWS-8X (4ohm) under seat driven by Alpine PXE-650 and Pioneer GM-D9500F amp, Superchip ECU remap.