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Cruisineasy

Hayward

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Posted: 01/10/14 02:47pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 2011 Jayco Greyhawk 31DS.
The chassis battery is almost toast. Other then resetting the stereo presets will anything else go south when I disconnect the old battery and install the new??? I wouldn't think so, but thought I'd check..

SCVJeff

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Posted: 01/10/14 03:01pm Link  |  Quote  |  Print  |  Notify Moderator

Possibly the engine and trans CPU. I just found out 15 mins ago that when you pull the chassis the battery the whatever engine parameters are used for smog checks are erased and the vehicle needs to be driven to accumulate enough data for an accurate measurement again.


Jeff - WA6EQU
'06 Itasca Meridian 34H, CAT C7/350


Cruisineasy

Hayward

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Posted: 01/10/14 03:09pm Link  |  Quote  |  Print  |  Notify Moderator

So it's kinda like clearing error codes. It has to be driven a while to let all the sensors fire.. That's fine. I'm gonna replace the battery tomorrow and take it camping for the weekend. Should be about 200 miles there and back. That ought to set it all straight.....
Thanks

j-d

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Posted: 01/10/14 04:20pm Link  |  Quote  |  Print  |  Notify Moderator

If you have the Ford Chassis Owner Manual, check there for battery replacement guidance. I think you're safe simply disconnecting, changing battery, reconnecting. Used to be the Radio had a Security Code and if you couldn't re-enter it, the radio would no longer work, and anti-theft measure. I don't think that's common anymore.
There's a "memory saver" which is essentially a little 9V battery that you clip to the battery cables before disconnecting. It's supposed to save things like Clock, Radio Stations, and Driving Patterns. But some owner manuals contain specific wording to NOT use one.


God Bless, jd
2003 Jayco Escapade 31A on 2002 Ford E450 V10 4R100

smkettner

Southern California

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Posted: 01/10/14 04:28pm Link  |  Quote  |  Print  |  Notify Moderator

2011.... any warranty? Seems like an early death.
How do you keep the battery charged between trips or while camped?

I think you can use a 9 to 12v battery to keep the memory from deleting.


2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
675 watts solar
Send a PM if I missed something

Cruisineasy

Hayward

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Posted: 01/10/14 08:16pm Link  |  Quote  |  Print  |  Notify Moderator

I run the gen and the engine every two weeks..
Worked for over two years

tatest

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Posted: 01/10/14 09:04pm Link  |  Quote  |  Print  |  Notify Moderator

Relaced my 2003 vintage OEM battery in 2008. Engine - transmission computer will rest to defaults, had to relearn my driving style, shifts were back to "normal" after first 100 mile trip. Not sure what happens with keyless entry, if you have that.

Did not have radio issues, have aftermarket radio which I disconnect anyway, don't use any presets. Radio house-chassis switch to house, the house batteries disconnected. Some radios on battery in storage will pull it down pretty fast, and in a way that damages lead acid batteries permanently, way below a normal voltage for "complete" discharge. Engine control unit can also do that, takes longer.


Tom Test
Itasca Spirit 29B
2001 Ranger Edge


smkettner

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Posted: 01/10/14 10:27pm Link  |  Quote  |  Print  |  Notify Moderator

Cruisineasy wrote:

I run the gen and the engine every two weeks..
Worked for over two years
This is where I think 100w of solar on the house battery and a Trik-L-Start combiner to keep the chassis battery charged would be less wear on the engines and add life to all batteries.

(assumes the roof gets at least occasional sun)

pianotuna

Regina, SK, Canada

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Posted: 01/10/14 10:35pm Link  |  Quote  |  Print  |  Notify Moderator

Hi,

You might find that if you added the solar and the trik-l-start that the chassis battery may come back to useful life.


Regards, Don
Full Time in a Kustom Koach Class C 28'5", 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, 2500 MSW watt inverter.

Cruisineasy

Hayward

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Posted: 01/14/14 04:28pm Link  |  Quote  |  Print  |  Notify Moderator

Success!!! Just changed it out with no problem..
Since I don't set up the stereo with presets, would it mess things up if I rigged a disconnect for the chassis battery???

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