Tow hitch (optional extra)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
The trailer module (TRM) manages the electrical connection between the vehicle and the trailer. The trailer module (TRM) is directly connected to the rear electronic module (REM).
The primary task of the trailer module (TRM) is to manage output signals to the tow hitch cable harness for:
- Turn signal lamps
- Brake light
- Parking lamps
- Fog lamps.
The rear electronic module (REM) transmits the following voltages to the electrical socket for the tow hitch:
- Back-up lamp
- +12V voltage
- +12V supply.