Sound System OEM trunk amplifier access harness kit radio chassis ground and the 10A

chassis ground and the 10A OEM trunk amp power circuit

Not for E30 M3

Flat blade connector version for pre-87 cars also available

If your car originally came with 4 channel radio only wiring (available starting mid-89)

3) Return shipping will be added to your order

Sound System OEM trunk amplifier access harness kit radio chassis ground and the 10ATaps into the trunk amp connector of a car with BMW Sound System. Comes in several different versions at different prices to support your exact wiring needs and budget. This harness preserves your car's OEM wiring while also tapping in safely to all key signals you need from your audio harness via the Quadroboost trunk amplifier connector plug. Please select the version of this harness required for your project. All versions include access to the