Thermo King TSR-2 / TSR-3

The ThermoKing TSR-2 / TSR-3 controller models requires the HRN-CCTKTSR harness.

If the unit’s in-cabin controller contains the one of the following control units with an 8-pin connector at the back, follow the Inside Cab Connection instructions.

If the control unit does not have a 8-pin connector at the back, follow the Outside Cab Connection instructions.

Locate the refrigeration unit controller inside the cab of the vehicle.

You may need to unmount the controller to gain access to the harness at the back.

Unplug the in-cabin controller from its original vehicle connected harness.

Connect the white 8-pin male connector from the HRN-CCTKTSR to the in-cab controller.

Connect the white 8-pin female connector from the HRN-CCTKTSR to the original vehicle harness that was disconnected.

Ensure the connection is secure and locked into place.

Connect the male end of the HRN-CCTKTSR harness to one of the following locations on the controller board.

If all of the locations mentioned below are already populated, disconnect one of the connectors and plug it into the female end of the HRN-CCTKTSR harness.

TSR-2 Controllers: J12 (CAN1), J13 (CAN2) or J14 (CAN3)

TSR-3 Controllers: J12 (CAN1), J13 (CAN2) or J14 (CAN3)

The HRN-CCTKTSR contains loose wires which allow connecting the IOX-COLD to additional sensors such as 1-Wire temperature sensors or door sensors.

Refer to the Accessories category for installation instructions.