How To Hook Up Car Stereo Without Wiring Harness. Using the car stereo harness wiring diagram that Crutchfield supplies you can match up the wires for each connection to the new stereos wiring harness. The black tape is recommended because it helps in conducting electricity.

Felix o Martinez from Vadito. When you do youll need a wire harness. The kit has been specifically designed for car audio systems up to 400 watts and the premium copper wiring that is 100 oxygen free boasts uninterrupted transfer of power.
Find the black ground wire on the wiring harness.
The next step in wiring your car stereo is to identify all the wires in the car stereo and the car. When you install an aftermarket radio head unitor stereo you will likely want to make a wiring harness. A wiring diagram could be handy to find various wires and match them to the wiring diagram. And thats it youre done.
