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Hello I'm new here and sorry if this has been asked before but I need help enabling my trailer lights on my 2015 Grand Cherokee limited. I installed the hitch and wire pigtail harness. Then I found out it needed to be flashed by the dealer and all 4 dealerships wanted over $140 to do it. After looking into other options I found that the OBDlink mx scanner paired with the AlphaOBD software you can make several changes in the system.
BUT HOW do I

Enable trailer lights
Shut off the seatbelt ding
Enable fog lights with high beams
Change my instrument cluster to the SRT mode
PLEASE HELP

Thank you
 
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