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Old 02-26-2015, 02:08 PM   #11
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Quote:
Originally Posted by Ron in BC View Post
I'd be surprised if the controller setting is the problem. Have you tried backing off the mechanical adjustment on the problem wheel and doing a hard test stop to see how the other wheels handle it and, to see if when backed off, the problem disappears?

Ron
Hi Ron- have been through it all beginning with adjusting then road testing when this problem first was noticed(I suspect it has been there a while if not from when new). From my email today from Dexter it appears there may be an "intermittent electrical short". Great- sometimes it happens sometimes not- which is what I am sort of experiencing. After having the drum turned I road tested it and definitely noticed no skidding. Went on a trip and didn't notice any problem until the second trip this last week.

Dexter referred me to a shop an hour away originally, but didn't want the hassle of driving there. Their solution is to replace the backing plate, which includes the magnets and shoes. This complete assembly costs $38. Having a courier pick up the parts and bring them to my original mechanic. I could probably do the R&R but agree with Bob that its best to let the original guy see this through.

As to me asking about others' settings, I was more curious than anything, but agree with Baglo you need to go through the setup procedure. Did that with the Prodigy RF on the 17 and it just always worked great. Don't think it is the controller. Stay tuned.
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Old 02-26-2015, 05:04 PM   #12
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Originally Posted by TAfraser View Post
I've often wondered, what do people set their brake controllers at, and do they vary depending on speed? I've sometimes found that the setting I use while towing at highway speed is too much at low, stop and go, speed. The trailer brakes grab too much in stop and go traffic and I have to back off on my setting. Any input?
Tom
I to once had the break lock up. So i used a much higher setting on hwy and the a much lower setting when in town. Fixed the problem.

Ken
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Old 02-26-2015, 08:27 PM   #13
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New complete assembly installed and so far so good. Did a few hard stops from 25mph on pavement with no skidding. Did the yellow dirt Baglo road and Hallelujah, the other side skidded too!

Like others am left wondering if there is an optimum setting for highway and big downhill decent vs. low-speed OJ driving.
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Old 02-26-2015, 08:32 PM   #14
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Might want to read up on the Boost feature.
( I don't use it on my combo so I forget )
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Old 02-26-2015, 09:30 PM   #15
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Quote:
Originally Posted by TAfraser View Post
I've often wondered, what do people set their brake controllers at, and do they vary depending on speed? I've sometimes found that the setting I use while towing at highway speed is too much at low, stop and go, speed. The trailer brakes grab too much in stop and go traffic and I have to back off on my setting.
The gain setting shouldn't require changing with speed. On the other hand, I find that with our Tekonsha Prodigy using a "boost" setting if "1" works well on the highway, but is grabby in stop-and-go, so I turn the boost off when I enter a built-up area and back on (to "1") when I get back on the highway.

Quote:
Originally Posted by TAfraser View Post
I'm also still messing with mine after many years of towing. It seems like after a fresh brake job or change of tow vehicles there's a need for brake controller adjustments.
A brake job on the trailer changes the trailer brake behaviour, so a gain setting change is needed. Changes in the tow vehicle shouldn't require any change in the trailer, but many people report that for the rig to "feel" right they are changing settings when they change tugs.
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Old 02-27-2015, 01:38 PM   #16
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Thanks Brian, I'll take a look at the Boost feature. I never set that up, so it'll probably help.
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Old 07-03-2015, 07:01 PM   #17
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Another New Assembly

It's been four months and some 5K miles at least since I ruined a tire with chronic brake locking up. Now the rear passenger side is doing the same thing. So going with another backing plate assembly and if that doesn't do it will drive an hour to the shop Dexter recommends. They're great and took some time to troubleshoot with pictures going to their cellphone. It is being delivered via courier today.

At this point am ready for the first wheel bearing service as well so am going to do that too. Getting that back seal off though takes determination. Search for a trick on the web and found this gem:
"Ya'got'ta approach rear seals like there is absolutely no doubt about who is boss, and who isn't. Ya'got'ta let the wheel assembly know who exactly it is who owns the g.d. wheel in the first place." Worked for me; got a bigger hammer.

The Dexter retailer is sending me four wheel bearing kits with bearings for $6/ea.- and they are packing the bearings. Pretty sweet.

Ruined another tire, but Dexter was so great to work with last time am not expecting any trouble with reimbursement.

Reace did tell me that sometimes the brake controller goes bad and sends all 12V to the brakes instead of modulating it in tandem with the TV's brake pedal. That doesn't seem to be the case here as there is definite cupping only on the rear tire just as was the case with the front one originally.
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Old 07-03-2015, 07:57 PM   #18
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I never noticed this thread before. I've been unhappy with my brakes recently. This is my story:

Had my brakes serviced/adjusted/bearings done in March. Three days later I was a few hours from home at the beginning of a 3000 mile trip when I noticed on pit stops that one tire on driver's side kept locking up. I thought I just needed to readjust brake controller, but when adjusting I eventually I had the Prodigy controller set below 2 and the one tire was still locking up. Since I had driven my trailer for the previous year with the controller set at 6.5 I started to wonder if I was having a brake problem. I took trailer to a shop to get it checked out.

They said the brakes work properly, but the March service set the brakes too tight and this could cause one tire to lock up. They (expensively) reset and repacked everything.

When I got home after the trip I called Dexter and was told the same - too tight, or unbalanced adjustment, can cause one tire to lock up. On my next local trip the brakes seemed to be again locking up on one side, although no one was with me to confirm. I went to a different local shop and they said that everything is working properly. I asked if the prodigy controller should be checked. The guy said that in his 12 years of owning his shop he's only seen one controller fail so he didn't think there'd be a problem with the controller.

I still don't feel happy with my brakes, although everyone tells me they're working fine. I might have to investigate a little further ....
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Old 07-03-2015, 09:15 PM   #19
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Just to throw it out there, they do make electric-hydraulic disc brake conversion sets for trailers, don't know what axles, but do know it's pretty big $.
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Old 07-03-2015, 09:22 PM   #20
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I have noticed a difference in my braking action if the plug-in at the rear of the tow is dirty (I live on a 2 mile long dead end gravel road) so hosing out the connector on the tow the day before hooking up seems to cure the problem of grabby brakes.
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