When replace the OEM radio with an after market radio this harness provides a simply solution to connect the after market radio to the OEM harness. Harness directly plugs into the OEM radio harness . Our harness follows the E.I.A. color code standard so matching the wire to the after market is easy and makes is plug and play .Ford Lincoln Mercury 2003-2012 Stand-Alone Subwoofer Harness. Includes an 8-pin harness with 2 pairs of RCA jacks used with installations that already have the 70-5520 harness for power and basic speakers.
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