How to fix the 4WD system on jeep patriot code C145D - 4WD system Fixed

Today Im going to show you , How to fix the 4WD system on jeep patriot code C145D, the 4WD system on this car is electronically controlled so by tracking the possible causes to this problem, witch are 5 main courses, -Number 1: it could be a blown fuse -Number 2: it could be a wiring issue -Number 3: The 4WD module is bad -Number 4: The 4WD switch is bad -Number 5: The ECC (electronically controlled clutch) is bad using basic tools I find out that I have a wiring issue and I was able to trace it and redress it the best I could The tools I used: -Flat head screwdriver -12 V Test light -Multimeter -Heat shrink butt connectors -Heat shrink tube -Electrical heat resistant tape jeep patriot 2014 electrical diagrame download link Jeep Patriot Service Manual (sectioned) jeep patriot 2009 owners manual PDF download link jeep patriot 2008/2017 owners manuals Downloadable PDF links