Ernie Hartman

Watch this informative video from our friends at Five Star Car Stereo on the PAC TL-PTG2.

Watch this informative video from our friends at Five Star Car Stereo about the AP4-FD21.

Watch this informative video from our friends at Five Star Car Stereo about the RPK5-GM4101.

Here is a video showing the RP4.2-TY11 in a 2008 Toyota Avalon with navigation. As you can see the factory screen is fully retained.

This update tutorial is for the first gen "blue box" interfaces which use a 5-pin update port. For the new "black box" interfaces that use a Micro-B USB port follow this link.Which interface do I h...

If you have wired up an SWI-CP2 or 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 that this wil...

If you cannot find your radio brand in any of the steering wheel control module applications, please follow these steps. This process will apply to models like Pyle, Soundstream, Atoto, and many ot...

How to tell if your vehicle uses an Analog Steering Wheel Control circuitWhen consulting the wiring guide for your steering wheel control interface, whether it be a SWI-RC-1 / SWI-CP2 / CP5, C4RAD,...

If you need to update the firmware on your AmpPro module, watch the video below for the tutorial. This procedure is the same for all AmpPro modules.Search Keywords: ap4-ch21, ap4-ch31, ap4-ch42, ap...

In order to retain your vehicles factory installed Steering wheel controls, you will need some sort of adapter to convert your vehicles button information over to a usable signal your aftermarket r...