This page has the Dodge trailer tow kit instructions that came with my 2001 Ram,
equipped with the towing package.


 
 
Pin-out diagram for the 7-pin connector on the back of the truck:

pinout - looking toward the truck


 

 
Here's how the 7 plug to 4 plug adaptor is wired:

pinout-adaptor7-4


 

 
These are the kit instructions:


 

 
Updated December 30, 2003