Component Description: TRM
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The TRM receives inputs from the BCM to control voltage to the trailer tow connector for the LH stop/turn, RH stop/turn lamps and trailer battery charging.