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    jwharringtontx's Avatar
    jwharringtontx Posts: 2, Reputation: 1
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    #1

    Jun 25, 2014, 09:32 PM
    F-150 wiring problem... I'm lost.
    I have a 2006 F-150 lariat crew cab 4x4. When I turn on my turn signal my rear signals are acting like hazard lights. And my brake lights don't work at all. My head lights work fine as well as my front signals. My back up warning beeper goes off when I'm in drive. Sometimes (in the cab) my arrow on my turn signal doesn't make.the clicking sound, flashes once then slowly fades off my instrument panel. I've changed my fuse for brake and turn signals now my fuse makes a clicking sound when I brake and use turn signal... what is going on??
    cdad's Avatar
    cdad Posts: 12,700, Reputation: 1438
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    #2

    Jun 26, 2014, 07:27 PM
    Have you tried replacing your turn signal relay? Also did you check your brake switch? Do you have a trailer setup on your truck?
    jwharringtontx's Avatar
    jwharringtontx Posts: 2, Reputation: 1
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    #3

    Jun 26, 2014, 08:06 PM
    I've pull every relay to find what relay... but none did anything. Where's my brake switch? And yes I have a trailer set up.
    cdad's Avatar
    cdad Posts: 12,700, Reputation: 1438
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    #4

    Jun 27, 2014, 04:23 PM
    First off you need to inspect your trailer wiring to make sure none of it has shorted.

    The brake switch is found under your dash where the brake pedal is located. It is usually on the arm of the pedal.

    If you have your panel open to check relays then turn on your turn signal and see if any are getting hot. Also the one clicking is your turn signal relay.
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