[PDF] Final Harness Guide - John Deere This guide is intended to benefit the John Deere dealer with Harness We do ask that this guide only be used by John Deere Dealers. Please do not dbdistribute this guide to customers. Thkhank You. Implement Receiver Harness ID Number Description Pinout 1 GPS Receiver I Page 21 2A Valve Power Page 22 2B CAN/ECU Power RS232 Harness kit - John Deere The RS232 Harness kit (PF90363) can be utilized to aid installation when connecting third party controllers or a GPS receiver to the GS2 display. This kit comes with Instructions, Null Modem, Gender Changer and Harness.