4L60e to 4L80e Plug and Play Adapter


12 in stock (can be backordered)

SKU: A48 Category:

THIS ADAPTER IS FOR 1998-2006 TRANSMISSIONS! WE DO OFFER AN ADAPTER FOR 2007-NEWER. PLEASE ANNOTATE A49 IN THE BUYER’S NOTES IF YOU NEED THE 07-NEWER. THANKS! There are a LOT of options out there for wiring adapters.  Some of them are made with High Quality Parts and Assembled with the proper tools, and unfortunately – some are not. Some even have relays and other non-needed parts to try and get away from a segment swap in the PCM for the 4L80e. We are a full service harness shop with all of the Proper tools to properly crimp the Delphi terminals that are used in this adapter. We use all OEM quality high temperature TXL wire that will not melt when exposed to heat. Our adapter also has the 90* conduit dress to those tight to fit transmission tunnels!

As you can see in the pictures the the adapter is plug and play! The only thing that you will have to do is pin the Input Speed Sensor wiring into the PCM! As with all of our work, we warranty our craftsmanship for LIFE. Trust the Professionals!

This is the BEST aftermarket Adapter Out There! Get an OEM Quality Product with an OEM Looking Installation! Remember, this kit requires that you have your PCM tuned for the transmission. This IS a service that we offer, just send us a message to inquire!

Whats Included?

  • Plug and Play transmission adapter
  • Pre Terminated Input Speed Sensor Wiring
  • Color Coded OEM TXL Wire
  • High Quality Delphi Connectors and Terminals
  • Flame Retardant OEM Loom
  • Installation Instructions
  • Built by a Harness Company with Decades of Wiring Experience, With the Right Tools!


Weight .5 lbs
Dimensions 8 × 8 × 3 in


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.