Here is the wring diagrams for the transmission and a guide to help you test them to confirm, if anything check out the transmission is having an issue internally and should be replaced/rebuilt. Make sure there is power at the fuses in the wiring diagrams
This video will help walk you through the transmission remove and replace:
Check out the diagrams (below). Please run this test and get back to us.
Images (Click to enlarge)
Tuesday, June 30th, 2020 AT 11:53 AM