Transaxle Test Box

Transaxle Text Box J 38791 And Harness J 38791:

The Transaxle Test Box J 38791 is a tool for 4T60-E (automatic transmission) diagnosis. The test box, when used properly, will assist in isolating the cause of a condition, whether it be related to the Powertrain Control Module (PCM), the wiring, or the transaxle itself.