Forward and Reverse Relay Module 12V for Tarp Winch Trim Motor Reverse, Replaces 5541100 ATP0110 Polarity Module for Marine Jack Plate

You are pulling more amps with those higher rpm motors and increased voltage. You could check for corrosion or gunk that's slowing the voltage down causing it to heat up If they are warm and not burning hot you're okay, if they're uncomfortable to touch then it may be time to replace with new or use relays to handle the voltage and the switch as just a comm https://a.co/d/0fT3MXKf