Maybe you all can help me, A friend has a F650 with air brakes. the trailer has air brakes. when he turnes on the Left turn signal the lights work graet. when he turns on the RIGHT turn signal it locks up the trailer brakes? What is wrong.
My bad, read right over where you said it. I must say I've never encountered I problem like that before. In my experience with airbrakes, the brakes are pretty much isolated from anything having to do with the wiring in the truck. I don't have any idea what would cause using a turn signal to actuate the trailer brakes on a trailer with airbrakes.
Probably never changed over the brake system from winter air. Ford went to "all-season" air in 2004, but I hear it's sourced from China and isn't compatible with the factory turn signal fluid.
somthing to do with the anti lock brakes im sure, maybe wired wrong The RV 7 prong Is differant then the Big truck Plug.
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Make sure he his moving the right ARM to actuate the turn signals! Sounds like he is pulling down the "Johnny Bar" (trailer brake control on steering column) for right hand turns [img]/ubbthreads/images/graemlins/shocked.gif[/img]
Seriously, something sounds screwed up. Both systems are independent of each other. NO way a turn signal can actuate the treadle pedal!
__________________ THE ORIGINAL "FREIGHTRAIN" 1959 B61 Mack...15 gears of twin stick, black smoke huffin' fun 1967 F100 LB....352 ci/4 spd, nice daily runner 1969 F100 SB.....428 cubic inches of dual quad, 4 speed terror. 1964 Galaxie......390 cubic inches of blown big block...with a 4 speed 1964 Galaxie Country Sedan Wagon.....428 ci and 5 speeds of wheelstanding race car 40ft Haulmark trailer..for the car, quad, AND kitchen sink FOKISD MEMBER ATHS MEMBER....old trucks RULE!
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