No Trailer Connection Error Message w/ Tekonsha P3 Brake Controller on 2010 Ford Ranger
Question:
i keep getting no trailer connected it was working fine checked wiring and all is ok i own a ford ranger 2010
asked by: PAUL W
Expert Reply:
There are a few things I would recommend checking that could be causing the No Trailer Connected error code on your Tekonsha P3 # 90195. First, you will want to check the vehicle and trailer side connector for corrosion, any corrosion in the connector could be causing a bad or weak connection. If corrosion is in the 7-way connectors, they will need to be replaced. For future use, I would recommend using Dielectric Grease for Electrical Connectors, part # 11755, on electrical connections to prevent corrosion.
Then, I would recommend checking the blue wire at the brake controller and on or after the connector using a circuit tester, item # 40376. With the trailer disconnected, vehicle in power accessory mode and parking brake engaged, have someone engage manual brake slide on bottom of controller. While the manual brake slide is engaged, test the wiring for power using circuit tester after brake controller and at the connector at the 5 oclock position.
Next, you will want to inspect the trailer brakes. You will want to pull the brake assemblies apart and inspect the brake magnets for windings. If there are windings visible on the magnets, they are bad and will need to be replaced. Bad trailer magnets would make for an incomplete circuit, which could be the reason why you are getting the error signal.
I have linked an FAQ brake controllers and instructions for the Tekonsha P3 brake controller.
Products Referenced in This Question
Dielectric Grease for Electrical Connectors, 2 oz.
- Accessories and Parts
- Trailer Wiring
- Wiring
- Dielectric Grease
- LubriMatic
more information >
Product Page this Question was Asked From
Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Automatic Leveling
- Under-Dash Box
- Dash Mount
- Up to 4 Axles
- LCD Display
- Up to 360 Degrees
- Tekonsha
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Article: Testing Brake Controls
- Article: Aftermarket Brake Control Wiring for 07-13 GM Full-Size Truck with Factory-Integrated Brake Control
- Shop: Brake Controller
- Shop: 24x84 etrailer Cargo Carrier for RV Bumper - Steel - Folding - 500 lbs
- Q&A: Troubleshooting P3 Brake Controller Power Loss Brake Error Message
- Q&A: Recommended Methods to Test Brake Controller Output on Chevrolet Truck
- Q&A: Troubleshooting a Tekonsha P3 Brake Controller that Reads Trailer Not Connected
- Q&A: Troubleshooting No Trailer Connection Message on Tekonsha P3
- Q&A: No Trailer Connection on Tekonsha P3 Brake Controller 90195 on a 2000 Toyota Tundra
- Q&A: Troubleshooting Tekonsha P3 Brake Controller Not Recognizing Trailer
- Shop: Hook Probe Circuit Tester
- Article: Troubleshooting Brake Controller Installations
- Shop: Dielectric Grease for Electrical Connectors, 2 oz.
- Shop: Lippert Patio Upgrade Kit for Toy Hauler Garage Doors - 94" x 94"
- Q&A: What is the Difference Between a 4-Way and 7-Way Trailer Connector
- Shop: Trailer Wiring
- Shop: Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Video: Choosing the Right Brake Controller
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Search Results: trailer brake controller
- Article: Trailer Wiring Diagrams
- Video: Choosing the Right Trailer Wiring
- Shop: Trailer Hitch
- Search Results: brake controller
- Search Results: etbc7
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Shop: Redarc Tow-Pro Elite Brake Controller - Dash Knob - 2 Braking Modes - 1 to 3 Axles - Proportional
- Shop: Suspension Enhancement
- Shop: Redarc Tow-Pro Liberty Brake Controller - Dash Knob - 1 to 2 Axles - Proportional
- Shop: Towing Mirrors