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Old 05-24-2010, 08:55 AM   #1
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Diode for charging Toad battery?

Lowest cost commercial solution is the battery minder from brake buddy. I am assuming it is just a diode in a plastic case. I am not sure it is really necessary to install an inline diode but better safe than sorry, especially with a low cost item.

Which diode do I need if I get it from rs or an electronics supply house?
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Old 05-24-2010, 09:09 AM   #2
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A diode is only needed for some diesels that shouldn't have their engine electronics powered up with their key off which would happen from the toad battery. You can connect your toad and coach batteries without a diode. I added a 10 gauge line to my 6 way connector for power and connected both batteries together. Use a fuse on each battery, about 25 amps.
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Old 05-24-2010, 10:11 AM   #3
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US gear includes a "Towed Charge" system with their Unified Brake Decelerator

It's just a wire with a circuit breaker at both ends, parallels the towed battery and the Tow Vehicle chassis battery, Nothing fancy, works great. I think they used 20 amp in front (Motor home) and 40 in the Towed per the latest manual, I think mine is 40/40
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Old 05-24-2010, 10:43 AM   #4
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Thanks.
I have the g

I have the power supply line still installed from the remco lube pump that I installed I had two tow vehicles ago ...so I plan on using the 12 volt line from that, that is still hooked into the 6 way on the motorhome . It has a circuit breaker on the MH battery connection. Maybe I should put a switch with an led inline up front in the cab so I know if it's on or off .... I have to make a bracket for the roadmaster 9700 brake led anyway and run that wire up to the cab.

Did you use the ground from the MH chassis that you use for the tow car signal/light circuit or did you run a separate ground from MH to tow battery?
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