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Old 05-19-2009, 11:16 PM   #1
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Lost trailer brakes - Help!

We are going out of town this weekend, so i hooked up the airstream and i have no trailer brakes. They worked fine after our last trip and it has just been parked. All of my lights work and I plugged into a horse trailer and got a signal on my prodigy. When plugged into my trailer I get an N.C. code for no connection. The 7 way plug on the trailer appears to be ok. I cleaned the connections and they look good. So where does this leave me? The prodigy manual says something about the magnets or an open circuit. So, I'll check the connections at the brakes, but what about the magnets.? Any help on what I can do and check is appreciated.

Steve
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Old 05-19-2009, 11:20 PM   #2
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We are going out of town this weekend, so i hooked up the airstream and i have no trailer brakes. They worked fine after our last trip and it has just been parked. All of my lights work and I plugged into a horse trailer and got a signal on my prodigy. When plugged into my trailer I get an N.C. code for no connection. The 7 way plug on the trailer appears to be ok. I cleaned the connections and they look good. So where does this leave me? The prodigy manual says something about the magnets or an open circuit. So, I'll check the connections at the brakes, but what about the magnets.? Any help on what I can do and check is appreciated.

Steve
Magnets just don't go bad because of non use.

I suspect that the problem is with the connector, especially if it has flat blades. Look at the back side of the connector where the wires are attached.

Or, the brake wire could have become disconnected on the tow vehicle.

Andy
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Old 05-19-2009, 11:26 PM   #3
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Wow that was fast, thanks Andy. Yes, it does have the flat type of connectors. I did check and make sure they were tight. Maybe corrosion. I'll check the Tow vehicle's lead as well.

Steve
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Old 05-19-2009, 11:33 PM   #4
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Wow that was fast, thanks Andy. Yes, it does have the flat type of connectors. I did check and make sure they were tight. Maybe corrosion. I'll check the Tow vehicle's lead as well.

Steve
Steve.

The original connectors were aircraft type, in that the terminals were self cleaning, every time you used the connectors..

The huge problem with the flat blade connectors is that they easily corrode, one grain of sand can stop a proper connection, and as they age, it's clean and clean and clean them.

Many owners invest a little more money and go back to the original type connectors.

They are not very expensive, but they do cost more than the flat bladed connectors.

Ball park, about 20 bucks for the socket and plug.

Those would forever end the "plug" problem.

Andy
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Old 05-20-2009, 11:52 PM   #5
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Well after some investigating it turned out that an area where I spliced into the trailer had got wet and the brake wire from the tow vehicle had become loose, and hence no brakes. When I get back from my trip I'm going to rewire the loom and add a J-Box so the wire won't get wet. I also found out my ground wire from the truck was not connected to the ground wire to the trailer. Thank you Andy for your quick reply, it help me narrow this problem down.

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