How to Disconnect the Car Stereo Wiring Harness Remove the dash plate or console to reveal how the stereo is connected to the vehicle.Pull the stereo out of the dash far enough to reveal the wiring connected to the back of the stereo.Unplug the wiring harness from the back of the car stereo to remove it from this component. How to Disconnect the Car Stereo Wiring Harness | It Still Runs Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how How to Remove Wires From Connections on a Wiring Harness | It How to Remove Wires From Connections on a Wiring Harness. Insert the pin extractor in the open end of the plug, over the pin requiring extraction. Push the plunger down, depressing the barbs holding the pin in place. Grab the wire as close to the back of the pin as possible. While still holding the barbs in, pull out the wire gently, taking the pin with it. ae64 - Insert or Remove Wires from Harness Shell Hold the connector shell tightly by the sides, to avoid pushing in the retention latch on the bottom. Push the wire into the plug slightly. This will take pressure off of the metal spring clip. Push your extraction tool into the extraction hole (the rectangular hole below the terminal you wish to remove).