Preparation (continued), Install half-sleeve, Install adapter if necessary (optional) – Audiovox CD3210 User Manual
Page 3: Install half-sleeve into adapter or dashboard, Install support strap to make unit more stable, Set frequency spacing switch, Splice or crimp wires, Attach wiring adapter to car wiring harness, Rca-to-rca cables (not supplied), Amplifier wiring (see amplifier instructions)
