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Ineffective electric brakes

Home > Discussion Forum > Mechanic's Corner - Brakes

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Ineffective electric brakes Dan 6-21-07  
I have a 25ft trailer dual axle 10" electrics, Prodigy controller. I have new linings and magnets, have had them adjusted and checked for wiring; everythig checks out OK.

But, with my Prodigy set at 13V sensitivity, yes, all the way up, I can drive down a wet road at 40 mph and apply just the trailer brakes manually and they don't lock up. Since the normal setting is around 6 volts, I'm expecting that at 13V, they should lock. I understand that I don't want them to lock under normal braking (i.e. tow+trailer), but I feel like I'm not getting effective braking from the trailer, and the fact that even at max trailer brake application (13V), I can't lock them is telling me that something is not right with the brakes themselves.

Is this typical and if so, will converting to electric/hydraulic drums improve it, or do I need to go to e/h discs?

Thanks
Re: Ineffective electric brakes wrench 6-23-07  
Trailer brake don't lock up(electric or hydraulic) other wise it would be dangerous & you would flat spot your tires because you can not monitor what is going on 25' behind. On gravel or sand if they lock up they work.
wrench
Re: Ineffective electric brakes Dan 6-25-07  
Hi wrench,
I'm still puzzled as to why they won't lock, but I'll accept that that's the way they are designed and I certainly understand the issue of having them lock up under normal use.

Since you mention that hydraulics won't lock either, will I get any significant improvement in braking from the trailer brakes by converting to hydraulics? Can I put hydraulic actuators into my existing drums and then get an e/h unit or do I need to go to discs? If both are possible, what's the advantage of one over the other?

Thanks
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