Expert Answers about Acura TL

• Curt Wiring Harness Short to Ground Turns Off Cruise Control on a 2005 Acura TL
• It sounds like there is a short or possibly a broken or bent pin in the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector Item # C56231 for your 2005 Acura TL. Check where it connects to the vehicle tail light wiring and see if the pins in the connectors for the wiring harness and vehicle are intact and there is no corrosion. The wiring harness does not have to be grounded to the battery or powered by the battery. If you are getting voltage on the white ground...
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• Troubleshooting No Brake Lights on 2004 Acura TL with Trailer Connector Installed
• Lets see if we can get you going. Let me know if any of the suggestions that I make sound like they will work or if you have already checked the suggestions I make here. When you checked the output at the 4-Way connector was the trailer hooked up? If so unhook the trailer and recheck the voltage. If you have twelve volts at the green and yellow connections on the 4-Way harness without the trailer connected then the problem is most likely a ground issue on the trailer side. Check all of...
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