I honestly don't remember where we had it installed on our '10 Sahara. But if it fits, then it's fine. On our current JGC, it's cable tied to one of the control modules as shown in an SMI install pic. Works fine.
2008 King Aire 4562, Spartan K3(GT) w/ Cummins ISX, Motosat HD-SL5 w/ SWM-8, Multiswitch, HR34 Genie
2014 Jeep Grand Cherokee Overland 5.7L V8 Hemi w/ Blue Ox Aventa LX Tow Bar and baseplate, SMI Air Force One brake