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09-20-2022, 11:22 PM
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#1
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Junior Member
Join Date: Sep 2022
Posts: 11
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Toad not charging
I have a problem with my 2016 GMC Canyon not charging while towing. I have 12.7 volts at the battery, I have 13.6 volts coming from the motorhome and continues to the end of the line at the battery. The battery voltage does not change when connected. After 2 days of towing the battery needs to be jump started. I do disconnect the power cord when stopped for the night. My question is why doesn’t the battery accept the charge from the motorhome?
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09-21-2022, 07:20 AM
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#2
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Senior Member
Join Date: Oct 2015
Location: Texas Hill Country
Posts: 1,793
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Do you have a good ground between the coach and the toad?
Where are you measuring 13.6 vdc at? The red wire at the positive terminal of the toad battery?
__________________
2017 22K Bounder 415/6spd/5:38s
2018 F150 Lariat 502A 4X4 Toad & Tow Vehicle
2023 Rockwood GeoPro 20BHS
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09-21-2022, 07:23 AM
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#3
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Senior Member
Join Date: Oct 2014
Posts: 7,882
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Could be charge is not reaching the toad battery, OR, could be that power consumption by the toad exceeds charge from motorhome.
Are you following the "what to do to tow" instructions for your vehicle? What is the draw when towing?
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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09-21-2022, 08:15 AM
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#4
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Junior Member
Join Date: Sep 2022
Posts: 11
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We are following the procedure in the owners manual. I have good Voltage available to the battery. I will try a new ground this weekend and see if it makes a difference.
__________________
Happily Retired
2010 Fleetwood Revolution LE
2016 GMC Canyon
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09-21-2022, 08:17 AM
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#5
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Junior Member
Join Date: Sep 2022
Posts: 11
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Quote:
Originally Posted by 77Travco
Do you have a good ground between the coach and the toad?
Where are you measuring 13.6 vdc at? The red wire at the positive terminal of the toad battery?
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The 13.6 v is at the end of the red wire when I disconnect it from the battery. I will try a new ground and see if that makes a difference.
__________________
Happily Retired
2010 Fleetwood Revolution LE
2016 GMC Canyon
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09-21-2022, 08:54 AM
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#6
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Senior Member
Join Date: Jul 2017
Location: Sonoma County, Ca
Posts: 575
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__________________
Jerry & Sue
2005 Fleetwood Excursion 39J, C7 350, 2015 Chevy Colorado 4x4 Crew Cab. Simi-Retired, 4 Down & Cruising, Sonoma County, CA.Where I park it.
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09-21-2022, 11:19 PM
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#7
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Junior Member
Join Date: Sep 2022
Posts: 11
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Quote:
Originally Posted by Jpiland
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Do you have a picture of this disconnect? The procedure in the manual states to disconnect the ground.
__________________
Happily Retired
2010 Fleetwood Revolution LE
2016 GMC Canyon
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09-22-2022, 09:39 AM
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#8
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Junior Member
Join Date: Sep 2022
Posts: 11
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Quote:
Originally Posted by Broknarrow
Do you have a picture of this disconnect? The procedure in the manual states to disconnect the ground.
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This disconnect then prevents any charging from the motor home as well? Or do you run a separate ground from the motor home?
__________________
Happily Retired
2010 Fleetwood Revolution LE
2016 GMC Canyon
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09-22-2022, 01:15 PM
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#9
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Member
Join Date: Apr 2013
Posts: 47
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If you use a battery disconnect, you shouldn't need to charge the battery. There won't be any drain on it
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09-22-2022, 01:20 PM
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#10
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Senior Member
Join Date: Oct 2014
Posts: 7,882
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Quote:
Originally Posted by mnc
If you use a battery disconnect, you shouldn't need to charge the battery. There won't be any drain on it
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Possibly. Will depend on what auxiliary braking system they have. Many are 12 VDC.
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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09-22-2022, 02:21 PM
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#11
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Senior Member
Join Date: Apr 2021
Location: DFW
Posts: 1,648
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For additional background on using the GMC Canyon or Chevy Colorado as a TOAD, try this website:
https://www.coloradofans.com/
I think the threads on that forum tend to use the terms "flat towing" or "dinghy" as opposed to TOAD. DINGHY is 6 letters, searches on 3-4 letters like TOAD often do not work.
__________________
2020 Chevy Silverado 1500
Forest River Wildwood XLite 263BHXL
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09-22-2022, 05:23 PM
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#12
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Junior Member
Join Date: Sep 2022
Posts: 11
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Quote:
Originally Posted by mnc
If you use a battery disconnect, you shouldn't need to charge the battery. There won't be any drain on it
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True
__________________
Happily Retired
2010 Fleetwood Revolution LE
2016 GMC Canyon
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09-22-2022, 10:07 PM
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#13
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Junior Member
Join Date: Sep 2022
Posts: 11
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Quote:
Originally Posted by carybosse
For additional background on using the GMC Canyon or Chevy Colorado as a TOAD, try this website:
https://www.coloradofans.com/
I think the threads on that forum tend to use the terms "flat towing" or "dinghy" as opposed to TOAD. DINGHY is 6 letters, searches on 3-4 letters like TOAD often do not work. |
Thank you for the link. Coincidentally I was there doing some reading today. I have ordered a disconnect and will install it and curing my issue. Thanks for the help.
__________________
Happily Retired
2010 Fleetwood Revolution LE
2016 GMC Canyon
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09-22-2022, 10:12 PM
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#14
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,149
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Do you have auxiliary brakes on the 2016 GMC Canyon?
__________________
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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