Because the vehicle manufacturers aren't always consistent when it comes to the wiring color codes, we don't have any information as to which taillight wiring harness wire color serves which function on your 2006 Acura TL.
Luckily, the # C59496 harness you purchased includes a circuit tester to help you identify which wire feeds each individual taillight function.
You'll need to access the wiring harnesses feeding the taillights by pulling back the trunk liner behind each taillight assembly.... view full answer...
The trailer wiring harnesses for the 2006 Acura TL, such as # C56231, plug in line with the tail lights on the vehicle. I have linked the instructions for you. view full answer...
Installation of the Curt Trailer Hitch, part # 11321, does require drilling on your 2005 Acura TL. The hitch will attach to the bumper beam, so it does not require trunk access.
The Curt Trailer Hitch # 11321, includes a drawbar, pin and clip. To complete your towing setup you may be interested in the following items:
1-7/8 Inch Hitch Ball, part # 19256
2 Inch Hitch Ball, part # 19258
Vehicle Wiring, part # C56231
If you plan on using a hitch mounted bike rack, you will need to use a... view full answer...
There are two types of trailer wiring harnesses. There are passive types that do not have a 12V power connection; these use your car's own wiring to deliver the power to operate your trailer's lights. And there are active types that have a powered converter, such as the Hopkins # 46255 that you have; these use the car wiring only to carry switching signals to tell the converter when to send out power for the trailer. The actual power for the trailer lights comes from the car's battery,... view full answer...
The OEM connector that you need to find to install the Plug-N-Tow TM Vehicle Wiring Harness, part # 43105, is located in the trunk behind the driver side taillight access panel.
The access panel is the piece of the interior that you would remove if you were trying to replace the tail light bulb.
It might not be in plain view, you might need to reach in there and see if you can feel around for it.
I attached the installation instructions for this product below for you to check out. view full answer...
In the attached install instructions for the Tekonsha trailer wiring harness part # 118537 there are some instructions on how to route the power wire. I also attached a help article link that covers this topic too. view full answer...
The bolts that come with the Curt Trailer Hitch part # C11438 are 1/2”-13 X 1 3/4” and are Grade 8. I attached a copy of the installation instructions for you to see all of the hardware that comes with this hitch. If you ever need a complete set of hardware, you use part # RHK to get the kit. Hardware is only to be used one time, if you need to re-install for any reason, you need a whole new set of hardware. view full answer...