[AT] Brake controllers

[Doug Tallman]

I think I would check the circuit at the plug with something like a high 
beam headlight instead of a test light, The brakes draw a good amount of 
amps and you need something to simulate that. Doug T



Joe Hazewinkel wrote:
> Thanks for the tips.  The strange thing is the lights all work fine, and the controller lights up like it wants to work, but no juice to the breaks.  Seems strange that a ground would effect only one part of the hookup?
>
> Enjoy, Joe
>
> Sent via mobile device
>
> On May 5, 2014, at 3:32 PM, "charlie hill" <charliehill at embarqmail.com> wrote:
>
> Farmer would tell you to check the grounds.
>
> You can test it by putting a volt meter in the circuit between the power 
> supply wire to the
> brakes and a chassis ground.  Get someone to engage the brake and see if you 
> get a voltage reading.
> It should be almost as high as the charge on your battery.  12 + Volts.
>
> Don't have a volt meter?  do the same thing with a 12 V light bulb and see 
> if it comes on and how brightly
> it burns compared to connecting it directly to your battery.
>
> Charlie
>
> -----Original Message----- 
> From: Joe Hazewinkel
> Sent: Monday, May 05, 2014 1:47 PM
> To: Antique tractor email discussion group
> Subject: [AT] Brake controllers
>
> OK,
>
> I know we have discussed this at points in the past, I just don't remember 
> all the details, so I'm bringing it up again.  I think my brake controller 
> has gone bad.  It just won't engage the trailer brakes at all.  I thought it 
> might be on the trailer side, but my neighbor borrowed my trailer, and the 
> brakes worked fine for him.
>
> My trailer is a 20-ft gooseneck trailer, with dual tandem Dexter axles under 
> it.  Both axles have brakes.  I pull it with an 1997 F-250 diesel.
>
> Any recommendations on a decent brake controller?  The one I have now is a 
> Valley brand, and it worked good for the past ten years or so.  I looked at 
> the local auto supply place and they had three different models covering a 
> wide range of prices.  I just want something that works.  Can you share your 
> wisdom with me please?
>
> Enjoy, Joe
>
> Sent via mobile device
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