TJ Rubicon, JK Jeeps &Power Wagons with a NP271 (Low Range Switch):
This kit is a quick fix for the Jeep TJ Rubicon's, JK's & Power Wagons. This kit tells the computer system that the vehicle is in low ratio, disabling the ESP on JK's and enabling the locker option on the TJ Rubicons & Power Wagons.
This kit will not light the 4WD dash light in high range. It will work on the Jeep JK's, however, Kit 300377A is a control module that keeps all the stock Jeep functions as well as the dash light in 4WD high. The 300377A is the most recommended kit for the Jeep JK's.
NOTE: This Kit (is for use on Vehicles with Atlas Transfer Case Production date of August 2014 and Later. If your Atlas production date is previous to August 2014, you will need part number PN300378X .