Ernie Hartman

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Recent activity by Ernie Hartman

Gladiator JT & Wrangler JL / JLU: Reverse Camera Doesn't Work, No LED On the RPA-HD1
If you have a HEIGH10, HEIGH10+, HORIZON10, or HORIZON12 in a Jeep Wrangler JL or Gladiator JT and your reverse camera does not function, follow these steps to correct the problem.Refer to this art...

Ernie Hartman May 30, 2026 15:44 Updated 0 followers 0 comments 0 votes
RPK4-FD2201 FAQ Video
1. Radio Replacement
2. General Information
Ernie Hartman August 02, 2025 15:59 Updated 1 follower 0 comments 0 votes
AP4-GM61: Overview and Installation
1. AmpPRO
2. General Information
Ernie Hartman February 07, 2026 16:15 Updated 1 follower 0 comments 0 votes
RP5-GM31 Overview and Install
1. Radio Replacement
2. General Information
Ernie Hartman August 02, 2025 15:52 Updated 1 follower 0 comments -1 votes
RPK4-HD1101 Fan Speed Issues
1. Radio Replacement
2. Troubleshooting
If there is little to no variation of the fan speed with your HD1101 kit, please update the interface with the attached firmware. This can be done using the RadioPRO PC utility found here:https://p...

Ernie Hartman August 02, 2025 15:43 Updated 1 follower 0 comments 0 votes
AP4-FD21: Overview and Installation
1. AmpPRO
2. General Information
Watch this informative video from our friends at Five Star Car Stereo about the AP4-FD21.

Ernie Hartman February 07, 2026 16:14 Updated 1 follower 0 comments 0 votes