Page 3
DOUBLE DIN INSTALLATION INSTRUCTIONS DASH DISASSEMBLY INSTRUCTIONS 1. Attach ISO brackets to the rear of the main mounting kit. 1. Inside the tray at the top center of the dash remove liner and remove (2) screws. 2. Slide radio into kit from rear & attach to ISO mounting brackets using 2.
RP4-CH21 Radio Replacement & Steering Wheel Control Interface for Dodge/Jeep/Ram Vehicles Introduction & Features The RP4-CH21 interface allows the replacement of a factory radio in select Dodge/Jeep/Ram vehicles with MS-CAN databus radios. Using this interface will retain factory features such as steering wheel controls (SWC), HVAC controls, Driver Information Center (DIC), vehicle settings, vehicle safety features and the factory audio amplifier whenever the original radio is removed.
RP4-CH21 Radio Replacement & Steering Wheel Control Interface for Dodge/Jeep/Ram Vehicles Wiring Connection Chart Interface Connector Vehicle Connector SWC Connector Red / White Parking Brake Yellow Battery +12v Blu/Yel Kenwwod, Newer Output (-) Black Ground Purple / White Vehicle Speed 3.5mm Jack Alpine, JVC, White...
Page 6
RP4-CH21 Radio Replacement & Steering Wheel Control Interface for Dodge/Jeep/Ram Vehicles Installation Steps (cont.) 3. Connect the SWC wire according to the chart on page 1 (aftermarket radio MUST support a wired remote input) 4. Once all connections have been made, plug the interface into the vehicle. It is reccommended that this be done with the vehicle running.
Page 7
RP4-CH21 Radio Replacement & Steering Wheel Control Interface for Dodge/Jeep/Ram Vehicles Optional Steering Wheel Control Programming (cont) SET RADIO SELECT SWITCH Alpine Kenwood Clarion Pioneer/Other Sony Fusion Other = Advent, BOYO, Dual, Lightning Audio, Rockford Fosgate, Visteon Fig. 1 RP4-CH21 SWC Notes 1.
RP4-CH21 Radio Replacement & Steering Wheel Control Interface for Dodge/Jeep/Ram Vehicles Testing & Verification 1. Turn the ignition on. The LED on the interface will turn on & the +12v accessory wire will turn on. 2. Turn on the radio & check balance & fade. Note: Factory amplified Systems will not fade as neither the aftermarket radio or the RP interface have the ability to control the amplifier’s fader.
RP4-CH21 Radio Replacement & Steering Wheel Control Interface for Dodge/Jeep/Ram Vehicles Vehicle Settings Please go to http://www.pac-audio.com/firmware/RP/RP4.html to download the vehicle settings app. Once downloaded and installed you can use this app to make changes to vehicle settings that would normally be done through the factory radio. Important Notes 1.
Need help?
Do you have a question about the CDK656 and is the answer not in the manual?
Questions and answers