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Old 01-01-2012, 12:30 PM   #15
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Originally Posted by lllkrob

What year and model toad do you have??
2011 Ram 1500 crew cab 4x4

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Old 01-01-2012, 12:40 PM   #16
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Originally Posted by tj4dirt View Post
Craig_R if you move the M7 fuse up a notch next to the 10 amp it will make the terminal hot all the time. If you had done this you wouldn't have to run a new terminal, though it's always nice to have many. Also, you wouldn't have to leave the key in and run down the battery.
Thanks tj4dirt, I became aware of that trick long after I had already added the new accessory outlet. But, like you say, having an extra is always a nice thing.

Craig & Donna
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Old 01-02-2012, 09:32 AM   #17
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I have a solar trickle charger sitting on my toad's dash and plugged into a y adapter for the cig lighter/power outlet where the Brake Buddy and the trickle charger both plug up. Never had an issue. Simple and cheap.
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Old 01-02-2012, 01:02 PM   #18
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You have all the wiring in place. I ran a HOT line from the 7 pin conector to the battery in my honda element that we tow. No more dead battery. no more pulling fuses. Don't worry anymore that I have enough power for the Brake buddy. It is a simple and cheap solution. godd traveling. ed
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Old 01-02-2012, 01:37 PM   #19
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Adding a self-resetting circuit breaker in the circuit would be smart. Just in case you overload the circuit by mistake - for example starting the toad while still connected to the MH.

Available at Auto Parts stores and on the web. Usually under 10 bucks.

2008 Itasca Meridian 37H & 2015 Flagstaff T12RBST
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Old 01-02-2012, 01:49 PM   #20
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I pull my HHR up to 4 days with the key on 24/7 and a switch on a 2 AMP fuse.
Never have ran the battery down.

RoadMaster Air BrakeMaster system. Only battery power used is to turn on a led in the MH dash when the toad brakes are applied.
99 Discovery 34Q ISB
2014 MKS AWD EcoBoost Toad
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Old 01-02-2012, 02:28 PM   #21
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12GA wire from the chassis battery of MH to the Cherokee's battery through the 7 pin (with comparable ground). Fused at the MH end with resettable circuit breaker at the toad end.

I was looking at the Toad Charge but I just don't see $100 worth of benefit. I'll be hooking up the toad last and unhooking it first, most likely with the MH running at the time so I don't see it sitting and draining down the 8-D chassis battery. Jeeps of that vintage have NO power draw with the key in towing position other than whatever braking system one chooses.

Is there something I'm missing?
The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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Old 01-03-2012, 06:27 AM   #22
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Originally Posted by M2HB View Post
I realize that's a way to do it. Just not sure if there is a possibility of causing problems with the systems of the MH or the toad.
The short answer is the fuse or circuit breaker (prefered) on each end protect BOTH the MH and toad from any electrical issues.

Assuming the motor home and toad batteries are fully charged when you hook the toad up, you're starting out with very similar voltages on both ends. There's not a real big current flow one way or the other through this wire. While traveling, the draw on the motor home system (keeping the toad battery up to snuff) should normally amount to whatever your brake system is using. 12 guage wire is normally used to do this, but as mentioned, smaller might be OK. There's just not that much required of it in this application.

There's nothing new or tricky going on here. As mentioned, 5th wheel and travel trailers are wired exactly this way.

Starting the toad while hooked up to the motor home shouldn't blow a fuse/breaker. The on board toad battery should have PLENTY of power stored up ready to go for that purpose with a charge line in place. If there's a problem starting for whatever reason, and the toad battery's voltage drops way off from fully charged, THEN you would have a large current flow with the motor home system trying to charge the toad battery - due to the difference in voltage MH vs. toad.

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