Programming Tool to Flash Factory Radio For 2021 – 2023 Harley Motorcycles – used for installing aftermarket amp and speakers but keeping factory radio



  • For 2021 and Up Harley-Davidson® Motorcycles
  • Requires PC Computer & Internet Connection For Set Up
  • Stock Engine Control Module(ECM) Must Be Used
  • More Features!

20 in stock

SKU: TRHDP 2021 Categories: ,


TRHDP Harley Davidson® Audio Programmer

You can purchase this item and keep it or you can rent the programmer. First you will pay $349, then if returned within 14 days we will refund $140. After 14 days we start deducting $10 off for each day. AFTER 30 DAYS THE UNIT IS NOT RETURNABLE. If you have paid with AFFIRM your refund will be $120, there is a nonrefundable fee paid to Affirm once the purchase is made which is the reason for the lower refund amount.

This is a 1 time use license. If you plan on using more you will have to go to to buy licensing. The 2021 model bikes have a new connector, the 2014-2020 connector will not work for 2021.

Get the most out of your aftermarket amplifer and speaker installation for Harley Davidson® with the TRHDP Audio Programmer.

A custom-coded audio module built specifically for your Harley, the programmer works directly with your factory diagnostic port. In a few short steps, the TRHDP delivers simple on-screen directions to optimize your factory radio for peak performance of your amplifier and speakers.

You get dramatically improved sound quality and power, fader control (not applicable in Boom 2 systems) and even view/reset diagnostic codes!

Compatible with all 2021-2023 Harley Davidson® motorcycles. Requires stock ECM.

Vehicle Information

• 2021-2023 Harley-Davidson Street Glide
• 2021-2023 Harley-Davidson Road Glide

Additional information

Weight 0.56 lbs
Dimensions 5.50 × 2.50 × 4.00 in