How to Wire a Dual CD Radio


Although Dual radios tend to be on the lower end of the price scale, they typically offer greater feature sets and performance than most factory radios. Additionally, Dual radios wire in a manner similar to most all compact disc/radio head units, which is good news for anyone with a little experience with the process. Even for beginners, following the wiring diagrams included with the radio and aftermarket harness will help guide the way.

Things You'll Need

  • Aftermarket harness adapter
  • Antenna plug adapter
  • 16 gauge barrel crimp connectors
  • Crimp tool
  • Wire strippers
  • Examine the top of the Dual radio. Note the wiring diagram on the label fixed to the chassis.

  • Compare the wiring diagram on the Dual with the vehicle-specific wiring specifications on the aftermarket harness adapter.

  • Organize the wiring so that the right ones correspond with each other. Strip 1/2 inch of insulation from the ends of the wires on the radio and aftermarket harnesses. Twist these wires to prevent strays.

  • Slide a crimp barrel connector over each wire. Lay the connectors in the notch on the crimp tool, and squeeze the handles. Do this for all wires in the assembly.

  • Slide the vehicle's antenna lead into the open end of the antenna adapter. Push the other end into the Dual radio's antenna input sleeve.

  • Connect the larger wire to the wiring harness located in the dash cavity. Click the other end of the harness into the back of the Dual radio.

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