F350 and Weekend Warrior Brake Problems

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F350 and Weekend Warrior Brake Problems

Home > Discussion Forum > Mechanic's Corner (general)

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All Messages in Thread	Author	Date
F350 and Weekend Warrior Brake Problems	Kath	6-30-09
We are towing a 2005 Weekend Warrior 5'er with a 2005 F350 that has an integrated trailer brake controller. The problem we are experiencing is the controller is giving the warning "Check Trailer" intermittently. I doesn't matter if the brakes are being applied or not. Sometimes, it feels like there no brakes at all, then suddenly they grab and lock up the trailer wheels and smoke the tires. Other times the light warning comes on without locking up the brakes. Sometimes the warning comes on just driving down the road not braking at all. The truck has been to Ford service twice. The replaced the factory-installed 7-way plug on the bumper (that we have never used) and a fuse. The problem never went away. An RV repair shop replaced the 7-way plug in the bed (that we do use), and eliminated the butt-connectors by removing the factory-installed 4-way plug on the bumper and direct-connecting to the new bed-plug. They also replaced the plug end on the trailer wiring. The problem is not resolved. Currently the truck/trailer are at a different repair shop to see if they can figure it out. We have had to cancel three trips in the last couple months, but we CANNOT cancel our trip next week. I need working brakes. I need help. PLEASE... does anyone have any ideas on what is wrong??? Thanks in advance, Kath
Re: F350 and Weekend Warrior Brake Problems	BUBBA THE BUS TECH	6-30-09
It sounds like the previous places under stood whats happening but didn't check your system correctly. The brake controller system checks continuously to see if it is hooked up to a trailer braking system. If the system does not "see" the brake magnets on the trailer you get the error. So where is the problem, Have you towed another trailer? That would narrow things downt to truck or not truck if the problem moved to another trailer. But I am betting on one of the 20 or thirty conections in you brake wiring on the trailer being bad. Good Luck
Re: F350 and Weekend Warrior Brake Problems	Kath	6-30-09
No we have not hooked up to another trailer. Good idea though. My husband has gone through all the wiring on the trailer side starting at each and every brake, and has made sure everything's connected up. We are at our wit's end... Thanks for the good luck; we need it!
Re: F350 and Weekend Warrior Brake Problems	Kath	7-2-09
Problem is possibly solved! Took the truck and trailer back to Ford yesterday and begged and pleaded for them to find and fix the problem. A service engineer / brake specialist happened to be on site. He test-drove it with the trailer hooked up and is confident that the problem is in the integrated brake controller. They are replacing it today. Keeping my fingers crossed that this fixes it. Need new tires on the trailer now - most are flat-spotted from so many lock-ups and one no longer holds air...
Re: F350 and Weekend Warrior Brake Problems	amber	8-20-09
Wow I am not the only one out there. For the past 6 months I am having the same problem and i have a 2008 weekend warrior 5th wheel. 39'. I have a 2500hd chevy z71 and mine is at the shop for the 3rd time and still they do not know what is wrong with it. And I have to drive to Sacramento up the grapevine with no brakes or when ever they decide to work. I have had them try a different controller, check every wire, every tire and still nothing. I have to leave tomorrow morning and was supposed to leave today at 9am but was too scared to drive like this again. I need help bad. and fast please. What should i have them check?

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