Hi, I just want to know if this is correct.

I am connecting the wires from picture 2 to the wire harness from picture 4.

Im grounding the brown to the black wire from the harness.
connecting the black/yellow wire from car to the red from harness
connecting the red/white from car to the yellow fromharness

where does the Gray go to? to the blue antenna wire(#6)?
that blue wire says (ANT REM MAX 0.1A)

The wires from 1 to 4 are the speaker output wires (pic4) right?

thanks,

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87' 300E champagne - Euro headlights and corners, 8-hole rims, 140,000miles/220,00km.