Faults & Technical
The car;
A 2018 Astra K VX-Line Sat Nav. 1.4T with the 6 speed manual gear box. As it is the Sat Nav, it has the Navi 900.
Whats in the car;
I have a 10" subwoofer in a sealed box, connected to a 300w RMS/600w Max JBL amp via high level inputs. The high level inputs are soldered to the rear...