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Hello, just a follow up on my first problem about the wiring harness for my 2007 ford expedition. i have acquired the integration Wire Harness you mentioned and it fit perfectly for the smaller plug. it has 2 blue wires and 2 RCA cables connected to the harness plug. nothing is written on the blue wires. do i just connect them to the speaker wires? and i believe the 2 RCA should be plugged into the RCA ports of my aftermarket stereo. thank you.

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  • bongdot23 Jul 16, 2009

    thank you so much, so i would just leave the smaller plug in alone?


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No. You probably do not need to connect these wires at all for your stereo to work- just leave them blanked off.

Usually these blue wires are for one to actiavate an electric antenna and one to turn on the amplifier. Your new stereo should amplify without these being connected. If not post up a comment and let me know.

Many thanks.

Posted on Jul 16, 2009

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