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Old 05-11-2011, 12:26 AM   #1
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Vansco control issue

I have a light system on a motorcycle lift that will not operate properly when plugged into the motorhome. When brakes are applied, the brake lights come on momentarily and the slowly flash. When I plug my tow care into the same plug, the brake lights on the tow car operate properly. The installer of the lift thinks the Vansco system is the culprit. I don't have a clue how to troubleshoot the problem. Any suggestions.

thanks in advance.

Jim
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Old 05-11-2011, 01:34 AM   #2
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I had a similar problem with the brake lights on my "toad" WRV informed me an isolation relay was needed because the vansco isn't programmed for the additional load. I tapped a relay into the brake light line and got seaparate 12vdc thru the realy to the toad light and it has been fine for 6 years.
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Old 05-11-2011, 08:15 AM   #3
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The Vansco system can handle 6 amps. You MUST connect the signal wires to the out put side of the rear Vansco unit. I tow a 24 foot car hauler with numerous marker lights and all work just fine. If you connect to the input side you will probably damage a Vansco unit. A relay is a good option, it also needs to be connected to the output side of the rear Vansco. The back feed from a rely will damage the input side of the Vansco.
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Old 05-11-2011, 03:09 PM   #4
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Good call Wayne! I forgot to mention, I used (and the factory recommended) an isolation diode in series with the relay winding. Matt
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Old 05-11-2011, 06:13 PM   #5
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The outputs on the Vansco are 6A max self-resetting breaker logic. Sounds like they are resetting after sensing an overload.
Wayne's trick of taking signal to a relay coil off the output side shouldn't overtax the circuit (only adds about 0.15A). Using the output to light the relay coil thereby energizing a separate voltage source to your light package should fix the issue.
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Old 05-28-2011, 12:27 PM   #6
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Thanks

Thanks for the input everyone. I will give this solution a try. Sorry for the long delay in responding..........been busy and away from the computer.
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Old 05-30-2011, 09:35 AM   #7
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Would it be possible to post a wiring diag of this on the Library?
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Old 05-31-2011, 03:48 PM   #8
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TJ- good idea; if you have such a diagram feel free to send it to me in PDF form. Otherwise, I'll put this on my list of things to get around to some day. A good coverage would have 2 separate diagrams, 1st being relay activation off Output from Vansco, 2nd being replacement of failed I/O Vansco circuit (which I've done w/my Driving Lights that didn't work).
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Old 06-01-2011, 12:26 AM   #9
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Another alternative, that I used instead of the relay approach, is to use LED bulbs which draw much less current.
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Old 10-15-2011, 08:54 PM   #10
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A quick note. Using LED bulbs solved the problem. Thanks to John
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