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Re: [GMCnet] trying to understand the ac system [message #221988] Tue, 10 September 2013 18:33 Go to previous message
hnielsen2 is currently offline  hnielsen2   United States
Messages: 1434
Registered: February 2004
Location: Alpine CA
Karma:
Senior Member
Our 74 Canyon Lands came with the switch
Looks stock?
It also had a jumper wire with alligator clips on each end built by one of the P O's
Why the wire ?
I have used the switch once to get us started.
Howard
Alpine Ca

All is well with my Lord
Never Give Up


On Sep 10, 2013, at 13:23, James Hupy <jamesh1296@gmail.com> wrote:

> Many coaches have that jumper on the isolator. It is not factory. I have
> seen many of them that have a ring terminal on one end, and an insulated
> alligator clamp on the other. I suppose they are used when you are using
> the generator, you can temporarily connect the jumper and also top off your
> engine battery, or as a "get me home" measure when the engine alternator
> craps out miles from home. No substitute for keeping up on battery
> maintenance, though..
> Jim Hupy
> Salem, Or
> 78 Gmc Royale 403
> On Sep 10, 2013 1:14 PM, "Emery Stora" <emerystora@mac.com> wrote:
>
>> I noticed that also which means that the isolator has been rendered
>> inoperative and the engine alternator is charging both of the batteries at
>> the same time but when the engine is not running the house side could draw
>> down the engine battery and vice versa. The main problem with this is that
>> if one is dry camping and used lights, furnace, etc. it could drop the
>> engine starting battery so that it might not be able to start the engine
>> and one could be stranded.
>>
>> Emery Stora
>>
>> On Sep 10, 2013, at 2:07 PM, Bill Wevers wrote:
>>
>>>
>>>
>>> I just noticed that the isolator has the house battery
>>> shorted to the engine battery....Is that right?
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