What Does it Mean When Draw-Tite Activator Brake Controller 5504 Displays Code SH
Question:
What does code SH mean on drawtite brake controller?
asked by: Karen
Expert Reply:
The display code SH on your Draw-Tite Activator Brake Controller, part # 5504, can indicate that there is a short or overload condition in your trailer brake circuit. This condition may also result in the display showing a flashing OL code. Please refer to the included instructions from Draw-Tite for a description of all error codes.
Either of these fault codes points to a need to check the brake circuit on your trailer. I have linked two help articles, one concerning troubleshooting brake controller installations and one concerning how to test trailer brake magnets. These may be helpful to you as you isolate the source of the problem.
You can start by checking the trailer brake wiring for signs of pinched wires, or any with cracked or worn insulation. If no issues are found with the trailer wiring then you can check the electric brake magnet assemblies for any signs of wear or damage. One of the articles provided outlines the process for testing the brake magnets. You will need a multimeter that reads amps and ohms, such as part # PT89ZR.
Products Referenced in This Question
Digital Multimeter with 42" Long Test Leads - LED Display
- Electrical Tools
- Testers
- Multimeter
- Yellow
- Performance Tool
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