CAT 239-9967 Bypass Messenger Harness for Flash the New CAT Messenger Display
239-9967 (Bypass Messenger Harness)
239-5025 (Messenger Display)
→Used to flash CAT Messenger display when communication through Service Connector/ Diagnostic Port is not possible.
→Used with CAT ET Software/ WinFlash.
→Power is provided by Service Connector/ Diagnostic Port.
#Configure the CAT Communication 3 Adapter, Bypass Messenger Harness, and Messenger display:
1). Connect Female Connector HD16-9-96S (Bypass Messenger Harness) to Service Connector/ Diagnostic Port on ECM.
2). Connect Female Connector DT06-08S (Bypass Messenger Harness) to Messenger display.
3). Connect Male Connector HD14-9-96P (Bypass Messenger Harness) to CAT Communication 3 Adapter.
4). Open CAT ET Software and connect to the ECM. Read More: How to Connecting Caterpillar ET Software to the ECM.
5). Select Flash.
6). Load flash file for CAT Messenger display. Read More: How to Setting the New CAT Messenger Display?
7). Select Begin Flash.
→Installing Software Please Wait (on CAT Messenger display).
8). Flash Completed Successfully. Select to CAT ET, return to WinFlash, or Exit the program.
→Engine Speed **** RPM (on CAT Messenger display).
