08 Aftermarket stereo wiring harness | Jeep Patriot Forums Ive seen standard harnesses online for like 15 bucks and was going to purchase one, but the guy at bestbuy told me i had to shell out extra for a harness that was able to control the power or whatever to the radio. He mentioned something about the red wire. Is this true? Ive also read on these forums about connecting the red wire to a cigMOPAR trailer wiring harness | Jeep Patriot ForumsJul 12, 2015'08 Trailer Wiring | Jeep Patriot ForumsJan 17, 201208 Mopar Trailer Wiring Issue | Jeep Patriot ForumsSep 18, 2011'08 Patriot trailer wiring harness and hitch questionMay 31, 2008See more results 2008 Jeep Patriot OE Wiring Harnesses & Stereo Adapters Jeep Patriot 2008, Factory Replacement Wiring Harness by Metra®, with OEM Radio Plug, Fully Pinned. For factory stereo. This high-quality Metra wiring harness is just what you need to replace your defective or aged factory wiring..