jafir said:I got lazy trying to google the answer to your actual question, but if you install a SLABS computer from an 03 or 04, you don't have to cut any wire, the newer computers where designed to work with the CDL.
I have an 03, and had to cut and ground the Blue/Black wire to activate the diff lock light. Good write up available on other forums, look for one by JYCSALAS. I followed it for my install, worked correctly out of the gate.