Help! Kline 1 short to ground

[Bigspoolys4]

Hey yall have a 2000 b5s4. Car runs and drives. Ecu doesn’t scan or any other module. After market radio but it’s unplugged. Tested obd2 port with vcds. Showing I have k1 short to ground. Looking for wiring diagrams for Kline and any advice to trouble shoot. Thanks

[aysix]

unplug your ABS fuses and try again