Thermo King Smart Reefer SR2 / SR3 / SR4

The Thermo King SR2 / SR3 / SR4 controller models require the HRN-RCCTKSR2 harness.

The HRN-RCCTKSR2 harness will provide Power, Ground & Ignition to the GO RUGGED HRN-RW03K4 harness.

Connect the Red / Black / Yellow wires from the HRN-RCCTKSR2 harness to the HRN-RW03K4 harness.

Ensure all connections are sealed with heat shrinkable butt connectors or solder and heat shrink.

This connection must be made prior to the refrigeration unit connection.

Connect the male end of the HRN-RCCTKSR2 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-RCCTKSR2 harness.

Smart Reefer 2 Controllers: J12 (CAN1), J13 (CAN2) or J14 (CAN3)

Smart Reefer 3 Controllers: J12 (CAN1), J13 (CAN2) or J14 (CAN3)

Smart Reefer 4 Controllers: J12 (CAN1) or J13 (CAN2)