2009 Jeep Liberty Trailer Wiring | etrailer Fastest shipping available and a lowest price 2009 Jeep Liberty trailer wiring guarantee. Expert lifetime technical support on all purchases. Complete 2009 Jeep Liberty Trailer Wiring installation instructions and customer reviews. Call 800-298-8924 to place your order or order online at etrailer. 2009 Jeep Wrangler OE Wiring Harnesses & Stereo Adapters Jeep Wrangler 2009, Aftermarket Radio Wiring Harness by Metra®, with OEM Plug. For aftermarket stereo. Metra preassembled wiring harnesses can make your car stereo installation seamless, or at least a lot simpler.