Radio wiring diagram on a Audi A3?

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1078297

2026-03-01 06:00

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Left Front + Blue/gray To left front woofer

Left Front - Blue/brown To left front woofer

Right Front + Red/gray To right front woofer

Right Front - Brown/gray To right front woofer

Left Rear + See notes Rear outputs in T6W section of radio pin-out go to the amplifier.

AMPLIFIER OUTPUTS Wire Function Colour Note fuse # Size Location

12V DC Batter Red/blue

37 20 amp Fuse panel

Left Rear Mid + Brown/red

Left Rear Mid - Blue/green Or blue/red

Right Rear Mid + Brown/black

Right Rear Mid - Red/green

AT SPEAKERS Wire Function Colour Note

Left Front Mid + Green

Left Front Mid - Green/yellow

Left Front Tweeter + NCA

Left Front Tweeter - NCA

Right Front Mid + Green

Right Front Mid - Green/yellow

Right Front Tweeter + NCA

Right Front Tweeter - NCA

Left Rear Mid + Gray

Left Rear Mid - Gray/yellow

Right Rear Mid + Gray

Right Rear Mid - Gray/yellow

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