
Connecting your aftermarket amplifier to your vehicle's factory amplified sound system using the PAC APH-CH03 AmpPro harness is straightforward. Here’s a step-by-step guide, referencing the harness's instruction manual. First, locate and disconnect the White 22-pin, Gray 22-pin, and Gray 10-pin connectors from your vehicle's factory amplifier. Next, connect the APH-CH03 harness to these connectors. Then, connect the male connectors from the APH-CH03 to your aftermarket amplifier. To ensure correct speaker connections, use a tone generator to identify which speakers in your vehicle correspond to the speaker numbers labeled on the harness. Consult the wiring chart provided in the manual and document which vehicle speakers correspond to each speaker number on the APH-CH03. Finally, connect the longer loose wires from the APH-CH03 to your aftermarket amplifier or passive crossovers, referencing the tables you filled out in the previous step. This method allows you to integrate your new amplifier while preserving your vehicle's original wiring. For any installation challenges, PAC provides technical support via email and phone.


