Ernie Hartman

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  • HVAC Issues with RPK4-CH4101 in 2013 RAM 1500

    If you have installed the PAC RPK4-CH4101 into a 2013 Ram and are having issues with the temperature setting on the HVAC screen, please follow the procedure below to update your Radio PRO to a diff...

  • AP4-CH41 Compatibility

    If your vehicle is on this app guide and meets the compatibility requirements (below app guide) then your vehicle is compatible! If it is not and/or does not, then it is not compatible. Application...

  • Sleep Cycles in Vehicles after Installing a BCI or AP4

    When adding features to a factory radio using a BCI or AP4, follow the steps below. Most of the time TWO sleep cycles will be required in order for the factory radio to accept the feature programmi...

  • GM1A Chimes Too Loud

    This article applies to all GM1A modules where the OEM chime level is too loud and not able to be adjusted after installation of the GM1A module in vehicles with BOSE. Release Notes Fixes issue s...

  • MCI-GM51 Corvette Installation

    The MCI-GM51 T-harness will need to be cut and hard wired into the Corvette's display harness. Use the attached documents as a reference to connect the MCI into the vehicle.

  • RV-MM7 Instruction Manual

    Attached is the instruction manual for the RV-MM7. This module is a reverse camera mirror sold through RV companies.

  • Adding Load Resistors to Chrysler / Dodge / Jeep / RAM Radios

    If you are installing a line output converter into a 2014+ Chrysler / Dodge / Jeep / RAM vehicle, and are not getting any sound from the factory head unit or the factory amplifier, follow the attac...

  • Manually Programming a Steering Wheel Control Module

    If you have wired up an SWI-RC-1, SWI-CP2, or an SWI-CP5 and the red light is on but the light does not blink when you press a button, you will need to manually program the buttons. Please be aware...

  • AP4-FD21 Bluetooth Issue

    Some users have reported no Bluetooth Audio When Using the Voice button on the Steering Wheel to Launch a Call. However, the audio works as expected when initiating the call from the phone or the f...

  • Using the Steering Wheel Control Web Application

    Instructions on how to look up your vehicle, set up your module, and understand the wiring page in the video below. This applies to any of the following modules:  SWI-RC-1, SWI-CP2, SWI-CP5, C4RAD,...