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08-22-2020, 01:02 PM
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#1
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Junior Member
Join Date: Apr 2020
Location: Melbourne
Posts: 2
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Battery Drainage
After leaving my Jayco Melbourne parked for about 2 weeks ( with a brand new battery) I came back to start it and it was dead , not even a click . I jumped started it and so far not a problem . My question is what could have drained it so far down ? I couldn't even start it with the house batteries those were drained also . Any ideas would be greatly appreciated jerry4tire@gmail.com
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08-22-2020, 01:05 PM
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#2
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Senior Member
Join Date: Aug 2020
Location: SW Lower Michigan
Posts: 2,516
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Welcome to the site from SW Michigan! Hopefully someone has experienced this problem or has heard about it and will be able to help out. Hope the fix is found!
__________________
John & Jennifer and family
2018 Jayco White Hawk 31BH 34'
2004 Surveyor by Forest River 29'
1996 Coachman Catalina 25'
2002 Jayco 12UTD PopUp
TrashMan Videos
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08-22-2020, 03:24 PM
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#3
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Senior Member
Join Date: Aug 2018
Location: Atlanta
Posts: 514
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Quote:
Originally Posted by jerry4tire
After leaving my Jayco Melbourne parked for about 2 weeks ( with a brand new battery) I came back to start it and it was dead , not even a click . I jumped started it and so far not a problem . My question is what could have drained it so far down ? I couldn't even start it with the house batteries those were drained also . Any ideas would be greatly appreciated jerry4tire@gmail.com
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By chance did you get a Tire Pressure Monitoring System installed? I went to pick my RV up once and the doors wouldn’t open with the fob...battery dead. Was able to start by the little white button, but could not figure out what was draining it. Finally realized it was the TPMS wired to the chassis battery. Now I use a small solar trickle charger...
__________________
2019 Entegra Odyssey 31L
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08-22-2020, 04:37 PM
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#4
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Senior Member
Join Date: Jul 2011
Location: Long Island, NY
Posts: 1,402
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Quote:
Originally Posted by jerry4tire
After leaving my Jayco Melbourne parked for about 2 weeks ( with a brand new battery) I came back to start it and it was dead , not even a click . I jumped started it and so far not a problem . My question is what could have drained it so far down ? I couldn't even start it with the house batteries those were drained also . Any ideas would be greatly appreciated jerry4tire@gmail.com
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Do you have a battery disconnect switch installed. Was the battery disconnected?
There could be enough 12V parasitic drain on a battery (CO2 sensor, electronic sensors, etc.) to drain a fully charged battery in two weeks. Install a battery disconnect switch or disconnect the battery if your not going to be using the RV for more than a week or so.
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08-22-2020, 04:43 PM
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#5
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Senior Member
Join Date: Jul 2016
Location: Mapleton
Posts: 4,374
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I would walk around the RV inside and in all the storage bays and look for any drains. TPMS, LP/carbon monoxide detector/ stray light bulbs burning in hidden places. Something is taking quite a few amps to drain all 3 batteries. Your coach battery should be isolated from the others so there may be a problem there.
OR your coach sat a long time and they ruined the batteries by letting them all go 100% flat and they have no real amperage left in them when fully charged.
Solar is a good idea, but isolate the load and look into battery cutoff switches.
__________________
2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
Andersen WDH hitch, Renogy 100 AH Lithium &
200 Watts solar panels from Renogy
Prev. '14 Jeep Grand Cherokee Overland, gas 3.6 V6
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08-22-2020, 05:11 PM
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#6
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Senior Member
Join Date: Apr 2016
Location: Peachtree City
Posts: 1,134
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Welcome to the forum. Common issue with the Melbourne and there are a couple other threads about this issue. The chassis battery is connected to the auto step,Co2 detector and the radio that I know for sure even with the main disconnect off. There also was a issue with the isolator and parking brake. See post 91 of the following thread.
https://www.jaycoowners.com/forums/f...e-42254-5.html
I plug in when stored and I use a battery tender plugged into the 12v socket under the “cup holders” which is always hot even with the key off.
Good luck.
__________________
2016 Melbourne 24K
2013 Sprinter crew cargo SOLD
2002 Toyota MR2 Spyder as a Toad SOLD
2016 Ford Focus set up to flat tow
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08-23-2020, 04:37 AM
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#7
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Junior Member
Join Date: Apr 2020
Location: Melbourne
Posts: 2
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Thanks defiantly going for the cut off switch
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08-23-2020, 09:08 AM
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#8
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Senior Member
Join Date: Mar 2019
Location: Hamilton
Posts: 341
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Same issue with Jayco's towables. Our fifth wheel battery has just under 1 amp draw with the cut off switch in the off position. I disconnect at the battery when not in use. I'll pull my battery out if I have to leave the trailer for service. Can't depend on the dealer's service department to connect and disconnect the battery. They can use their batteries.
__________________
Dave and Ivy
2020 North Point 315RLTS
Ram 3500/Aisin CC, SB, SRW, Superglide
Firestone Ride-Rite Air bags, TST507 TPMS
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10-29-2020, 11:47 AM
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#9
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Junior Member
Join Date: Oct 2020
Location: NYC
Posts: 4
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Hi ,
I just posted on this topic. The emergency brake was the issue. Jayco sent the Mercedes Tech. The work around diagram and wala!!! Fixed and no further issue. We lost five batteries before the fix. It happen within a three day period out of nowhere??? We had already had our baby out on many trips with no issues so we were confused *♀️ Jayco knew and helped beyond our expectations. Hope this helps
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10-29-2020, 02:52 PM
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#10
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Senior Member
Join Date: Apr 2016
Location: Peachtree City
Posts: 1,134
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Quote:
Originally Posted by Still smiling
Hi ,
I just posted on this topic. The emergency brake was the issue. Jayco sent the Mercedes Tech. The work around diagram and wala!!! Fixed and no further issue. We lost five batteries before the fix. It happen within a three day period out of nowhere??? We had already had our baby out on many trips with no issues so we were confused ����*♀️ Jayco knew and helped beyond our expectations. Hope this helps ������
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Welcome to the forum.
__________________
2016 Melbourne 24K
2013 Sprinter crew cargo SOLD
2002 Toyota MR2 Spyder as a Toad SOLD
2016 Ford Focus set up to flat tow
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10-30-2020, 07:05 AM
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#11
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Senior Member
Join Date: Sep 2020
Location: Forestburg
Posts: 151
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Confused: How did the parking brake cause a vehicle battery drain?
I have a Redhawk 24B that will drain the vehicle battery through some mysterious means, and if it were not for the house battery button, I would have be stranded many times. (Now carry a spare jump battery in our basement but don't like to use it unless I have to.)
I am in the process of tracking the parasitic amp draw in the vehicle and will ask Ford to test the battery when I take it in for oil and fluids check next week. The radio works on house battery BTW. Not on the vehicle battery so you can use it while camping.
Back to my question: On a Mercedes chassis, how in the world did a set brake cause parasitic drain? Maybe it also does on the E450 Ford as well.
__________________
Michael and LaDonnah
2019 Tiffin Wayfarer 25TW - '06 Jeep TJ toad
Forestburg, Texas - Ham call - K5FT
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10-30-2020, 07:51 AM
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#12
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Senior Member
Join Date: Apr 2016
Location: Peachtree City
Posts: 1,134
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Quote:
Originally Posted by msherw
Confused: How did the parking brake cause a vehicle battery drain?
I have a Redhawk 24B that will drain the vehicle battery through some mysterious means, and if it were not for the house battery button, I would have be stranded many times. (Now carry a spare jump battery in our basement but don't like to use it unless I have to.)
I am in the process of tracking the parasitic amp draw in the vehicle and will ask Ford to test the battery when I take it in for oil and fluids check next week. The radio works on house battery BTW. Not on the vehicle battery so you can use it while camping.
Back to my question: On a Mercedes chassis, how in the world did a set brake cause parasitic drain? Maybe it also does on the E450 Ford as well.
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Safety switch for the stabilizer jack is tied to the emergency brake I believe.
__________________
2016 Melbourne 24K
2013 Sprinter crew cargo SOLD
2002 Toyota MR2 Spyder as a Toad SOLD
2016 Ford Focus set up to flat tow
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10-30-2020, 09:47 AM
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#13
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Senior Member
Join Date: Sep 2020
Location: Forestburg
Posts: 151
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Quote:
Originally Posted by Pfflyer
Safety switch for the stabilizer jack is tied to the emergency brake I believe.
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I do know that since the jacks won't operate if brake not set.
But just how does a set brake use any current? No light on dash showing.
Since a safety switch is make or break - open or closed (unless it is a relay held by 12vdc??) circuit line. Baffled here.
__________________
Michael and LaDonnah
2019 Tiffin Wayfarer 25TW - '06 Jeep TJ toad
Forestburg, Texas - Ham call - K5FT
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10-30-2020, 09:54 AM
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#14
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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Quote:
Originally Posted by msherw
I have a Redhawk 24B that will drain the vehicle battery through some mysterious means, and if it were not for the house battery button, I would have be stranded many times.
I am in the process of tracking the parasitic amp draw in the vehicle and will ask Ford to test the battery when I take it in for oil and fluids check next week. The radio works on house battery BTW. Not on the vehicle battery so you can use it while camping.
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I would suggest you get the chassis battery load tested. The battery in my rig wouldn't stay charged, and I ended up replacing right in the beginning. They let these batteries die multiple times during the modification process. First at Ford, then at MorRyde, then at Jayco, then at the dealer. It may just be your battery has been hurt.
Also, the radio works off both batteries, depending which one is turned on.
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10-30-2020, 10:02 AM
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#15
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Senior Member
Join Date: Sep 2020
Location: Forestburg
Posts: 151
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Quote:
Originally Posted by RetiredOne
I would suggest you get the chassis battery load tested. The battery in my rig wouldn't stay charged, and I ended up replacing right in the beginning. They let these batteries die multiple times during the modification process. First at Ford, then at MorRyde, then at Jayco, then at the dealer. It may just be your battery has been hurt.
Also, the radio works off both batteries, depending which one is turned on.
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This is good to know. Since my battery failure happened almost from the first day I suspect it is bad.
Ford dealer will be performing oil and fluids next week so I will have a specific gravity test and load test done. Should be under warranty.
Also, nice to know the radio uses either house or chassis for radio depending on usage.
Last - why didn't Jayco use the convertor charge current from the house to trickle charge the chassis battery?
__________________
Michael and LaDonnah
2019 Tiffin Wayfarer 25TW - '06 Jeep TJ toad
Forestburg, Texas - Ham call - K5FT
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10-30-2020, 10:52 AM
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#16
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Senior Member
Join Date: Apr 2016
Location: Peachtree City
Posts: 1,134
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Quote:
Originally Posted by msherw
I do know that since the jacks won't operate if brake not set.
But just how does a set brake use any current? No light on dash showing.
Since a safety switch is make or break - open or closed (unless it is a relay held by 12vdc??) circuit line. Baffled here.
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I don’t know. I just relayed the solution from Jayco which at least 2 users here say worked.
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10-30-2020, 11:43 AM
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#17
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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Quote:
Originally Posted by msherw
This is good to know. Since my battery failure happened almost from the first day I suspect it is bad.
Ford dealer will be performing oil and fluids next week so I will have a specific gravity test and load test done. Should be under warranty.
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I tried to get my dealer (who's an hour away) to replace the chassis battery, but they told me it was a Ford issue, and take it back to them. I just went to Walmart and bought a new one.
Quote:
Also, nice to know the radio uses either house or chassis for radio depending on usage.
Last - why didn't Jayco use the convertor charge current from the house to trickle charge the chassis battery?
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The radio will run off of whatever source it "sees" power from. If you turn off the main coach 12 volt switch, the radio won't run. Turn on the ignition key, it will.
Why Jayco doesn't charge the chassis battery from the converter? Money, plain and simple. Some people have installed a Trik-L-Start under the hood, which will allow you to charge both batteries.
Mega TRIK-L-START Starting Battery Charger/Maintainer
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10-30-2020, 11:46 AM
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#18
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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I keep a volt meter plugged into one of the cig plugs in the dashboard. My new battery will hold a decent charge for multiple weeks, so if you're seeing yours drop within a few days, it definitely has issues.
I sometimes plug a trickle charger through that same cig plug, and plug it into an outlet in the coach, and charge the chassis when I'm charging house batteries.
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10-30-2020, 08:03 PM
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#19
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Senior Member
Join Date: Jun 2014
Location: Toronto
Posts: 110
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Quote:
Originally Posted by RetiredOne
I would suggest you get the chassis battery load tested. The battery in my rig wouldn't stay charged, and I ended up replacing right in the beginning. They let these batteries die multiple times during the modification process. First at Ford, then at MorRyde, then at Jayco, then at the dealer. It may just be your battery has been hurt.
Also, the radio works off both batteries, depending which one is turned on.
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I agree 2 weeks is not a long time for a vehicle to sit idle and to have the battery completely dead sounds like the need for a new one.
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10-31-2020, 03:38 PM
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#20
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Junior Member
Join Date: Oct 2020
Location: NYC
Posts: 4
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Quote:
Originally Posted by msherw
Confused: How did the parking brake cause a vehicle battery drain?
I have a Redhawk 24B that will drain the vehicle battery through some mysterious means, and if it were not for the house battery button, I would have be stranded many times. (Now carry a spare jump battery in our basement but don't like to use it unless I have to.)
I am in the process of tracking the parasitic amp draw in the vehicle and will ask Ford to test the battery when I take it in for oil and fluids check next week. The radio works on house battery BTW. Not on the vehicle battery so you can use it while camping.
Back to my question: On a Mercedes chassis, how in the world did a set brake cause parasitic drain? Maybe it also does on the E450 Ford as well.
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Hi again , on the Mercedes it was the wiring of a relay Jayco
Added not sure on the Ford. There will be no indication on dash or a light. The Tech at Mercedes couldn’t find after hours. I called Jayco customer service and within five minutes blueprints of wiring were sent to the technicians and problem solved for us. Hope it’s as easy a fix on the Ford.
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