Custom Wire Harness For Ford F150/F250 – Add Subwoofer To Factory Radio – 71-5524

This custom wire harness lets you add an aftermarket subwoofer and amp to your Ford F150 or F250 while keeping the factory radio.

It's a plug-and-play solution—no cutting into the stock wiring.

The part numbers 71-5524 and 70-5524 are the ones to look for.

Comes with a 1-year warranty.

If you want more bass without replacing the whole head unit, this is the easy way.