Matthew Calderon

If you have installed either the RP4.2-TY11, RP4.2-TY13, or TY1A-RS and the radio is not powering on, follow the steps below to correct the problem.Unplug power from the PAC interface (3-pin connec...

In vehicles with a manual transmission, the reverse output from the PAC interface will not function. The reason is that the vehicle manufacturer did not add this trigger to the vehicle's data bus. ...

When installing the AP4-CH41 into vehicles with parking sensors, you may not hear the parking sensor chimes. This is because they are not enabled by default. The following steps explain how to enab...

To add a camera(s) to a Heigh10+, Horizon10, or Horizon12, follow these steps.Connect the power and ground wires from the camera(s) to the power and ground wires on the kit labeled “Aftermarket Cam...

If both issues occur, the radio and PAC module connectors might be swapped. Applicable part numbers:  SRK-CHR15H, SRK-JK11H, SRK-JW18EH, SRK-RAM13H On the PAC module, locate the Radio Harness conne...

This article covers how to wire up a standard five pin SPDT (single pole double throw) relay. A relay can be used to boost current, turn something on/off, or reverse polarity on a trigger.The Stand...

The display panel may require force to snap in because the clips don't engage. However, these clips aren't needed to keep the panel in place.Applicable part numbers: SR-JK11H, SRK-JK11H, SRK-JK11HX...

Alpine has released a new radio that uses a different steering wheel control communication method than what is typically used. We have worked with Alpine on a solution for PAC products to work prop...

If the tire pressure monitoring system (TPMS) is not working or 2 sensors read 255psi, the PAC module must be updated. The following instructions explain how to perform the update.Applicable part n...