Good Sam Club Open Roads Forum: Beginning RVing: Battery cut off switch
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 > Battery cut off switch

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path1

Varies with weather

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Posted: 07/25/19 09:31pm Link  |  Quote  |  Print  |  Notify Moderator

Out of couriuosly, do oem"s install battery cut off switches to cut all power or leave some power "un-interuped".

(Wondering if my tt is wired right.)

bob213

Fresno, CA

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Posted: 07/25/19 09:46pm Link  |  Quote  |  Print  |  Notify Moderator

It seems that most mfg's leave at least the CO detector hooked up. When most people install them they do it close to the battery and cut off everything.


You can avoid reality, but you cannot avoid the consequences of avoiding reality – Ayn Rand


DrewE

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Posted: 07/25/19 10:55pm Link  |  Quote  |  Print  |  Notify Moderator

For a trailer, the breakaway braking system will (or at least should) always be wired directly to the battery, bypassing the cut-off switch. Of course, it doesn't consume any power unless activated.

Other things are entirely up to the manufacturer. As Bob said, many have at least the CO and propane detectors unswitched, and possibly a few other odds and ends (the memory wire for a radio, for instance).





edbehnke

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Posted: 07/26/19 05:08am Link  |  Quote  |  Print  |  Notify Moderator

IF YOU WANT ALL OF THE ELECTRICAL SHUT OFF DISCONNECT THE BATTERIES.

the cutoff switch DOES NOT turn everything off.


eddie and sandie
3402 Montana 2013
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troubledwaters

Potomac

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Posted: 07/26/19 05:17am Link  |  Quote  |  Print  |  Notify Moderator

edbehnke wrote:

IF YOU WANT ALL OF THE ELECTRICAL SHUT OFF DISCONNECT THE BATTERIES. the cutoff switch DOES NOT turn everything off.
My factory installed cutoff switch turns everything off.

Lynnmor

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Posted: 07/26/19 05:29am Link  |  Quote  |  Print  |  Notify Moderator

Some factory installs do not turn off everything and that needs corrected. I also connect the breakaway wiring after the switch so that I can quickly disconnect power if there is a short rather than watch the wiring burn or worse.





Bobbo

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Posted: 07/26/19 07:21am Link  |  Quote  |  Print  |  Notify Moderator

Every RV is different. My Class C Winnebago, it disconnected everything. My Airstream, it didn't disconnect the propane detector (I remedied that), the subwoofer (now in the top of a closet at home), or the inverter (has its own disconnect switch now). It also doesn't disconnect the breakaway brakes, as it shouldn't. If the breakaway brakes ever short out, the odds that you are there to turn them off is exceeding small. The odds of towing after forgetting to turn them back on is exceeding large. That is an unnecessary risk.


Bobbo and Lin
2017 F-150 XLT 4x4 SuperCab w/Max Tow Package 3.5l EcoBoost V6
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dpgllg

South West Pennsylvania

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Posted: 07/26/19 07:26am Link  |  Quote  |  Print  |  Notify Moderator

My Grand Design Reflection 5th wheel allows power to CO2 detector and one slide. The slide when closed blocks access to the rear of the 5th wheel.

I installed a separate cut off to kill all power when stored.

Dave


2013 2500HD Chevy LTZ 6.6 Diesel Ext Cab Long Bed
2017 Grand Design Reflection 27RL 5th Wheel
Dear Wife, plus two Cocker Spaniels and a Standard Poodle

nickthehunter

Southgate, MI

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Posted: 07/26/19 12:00pm Link  |  Quote  |  Print  |  Notify Moderator

Bobbo wrote:

The odds of towing after forgetting to turn them back on is exceeding large. That is an unnecessary risk.
The risk of me towing with my disconnect switch off is infinitely small, because mine kills everything when its off. This includes the front jacks, which need to operate to hook it back up to the truck.

Lynnmor

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Posted: 07/26/19 12:09pm Link  |  Quote  |  Print  |  Notify Moderator

nickthehunter wrote:

Bobbo wrote:

The odds of towing after forgetting to turn them back on is exceeding large. That is an unnecessary risk.
The risk of me towing with my disconnect switch off is infinitely small, because mine kills everything when its off. This includes the front jacks, which need to operate to hook it back up to the truck.


That is my opinion. Most of the time when I have trailers breakaway, the safety chains hold. [emoticon]

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