Hey Michael. I do not have a wiring diagram for a 2026 Crown Signia so I can not identify those wires. Your SUV does indeed have PWM system for the LED lights.
To install the Curt Powered Tail Light Converter item # C59236, you'll need to use a circuit tester like item # PTW2993 to identify the functions of the wires. I attached a wiring diagram below that shows the individual functions of the wiring harness.
Additionally, the Curt Trailer Hitch item # C35MJ you were looking at, has... view full answer...
Hey James,
There is not a plug and play option for the 25' Crown Signia, a splice in option is the only available. We have the Curt harness # C59236 for your vehicle. The instructions are also universal since any splice in harness can be used on many different vehicles. I have still attached those instructions for you below to get a better idea of what the install will look like for you.
Are you looking to tow a trailer with that vehicle? view full answer...
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