Don't tow an Arcadia but didn't want to cut the factory wiring on our Equinox so use the separate bulb. Have done this on last two toads. While it hasn't been an issue, I didn't want GM to deny an electronic warranty issue saying that I'd violated the factory wiring.
2006 Gulfstream Friendship G7, Cat C7 and Allison 6 spd
Honda VTX and Cruiser Lift on the back
Blue Ox Aladdin, Brake Buddy, 2019 Chevy Blazer RS toad