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12-28-2018, 03:26 PM
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#1
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Junior Member
Join Date: Dec 2018
Posts: 2
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CRV wiring issues for towing
We had our Honda CRV wired for towing. Since then we have had continual issues with the battery dying. Just had a Honda mechanic tell us that the tow wiring was tied in to the positive cabling. Is that how it is normally done? Anyone else have this issue?
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12-28-2018, 03:28 PM
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#2
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Nope.
What year?
But is it dying when towing and you have to leave the steering unlocked? If so there are two methods to stop it.
New battery and battery box from an Odyssey.
Run a charge line from the RV to the battery.
I did both with mine.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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12-28-2018, 03:34 PM
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#3
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Junior Member
Join Date: Dec 2018
Posts: 2
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It is a 2013. No, it dies when unhooked. My husband removed the fuse, but still dies.
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12-28-2018, 03:44 PM
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#4
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Strange! I've wired two Honda's, a 2005 Odyssey EXL and the present 2014 CR-V EXL with no problems. With the CR-V I bought it used and already setup but I found so much wrong with the installation that I redid it all. When I redid it I bought a unit that bypassed the diodes that most use. The original owner had a manual battery shut off installed (wrongly) that would loose it's connection which acted like a dead battery.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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12-28-2018, 03:49 PM
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#5
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Senior Member
Join Date: Jun 2017
Posts: 2,807
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Quote:
Originally Posted by Bobnchris484
We had our Honda CRV wired for towing. Since then we have had continual issues with the battery dying. Just had a Honda mechanic tell us that the tow wiring was tied in to the positive cabling. Is that how it is normally done? Anyone else have this issue?
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What does "wired for towing" mean? Just lights? Or lights and brake controller with boost pump?
If the brake controller was wired to stay on all the time it would drain that tiny CRV battery quickly if the vehicle was not running.
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12-28-2018, 04:12 PM
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#6
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,626
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!
I installed a switch to bypass the accessory fuse that you are supposed to pull for towing. I also replaced the lawn mower battery with a larger one. Never had a problem since! Have fun and keep her between the ditches!
Good luck, happy trails, and God bless!
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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12-28-2018, 05:51 PM
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#7
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Senior Member
Ford Super Duty Owner
Join Date: Jun 2008
Location: Melbourne Fl
Posts: 2,705
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Quote:
Originally Posted by MSHappyCampers
Hi ! Welcome to IRV2! We're sure glad you joined the gang!
I installed a switch to bypass the accessory fuse that you are supposed to pull for towing. I also replaced the lawn mower battery with a larger one. Never had a problem since! Have fun and keep her between the ditches!
Good luck, happy trails, and God bless!
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We use magnetic lights pluged into RV. Towing socket. Works great. Brake buddy plugged into lighter socket. Always fill BB with car running. Battery is good for 6 hours of running without pulling fyse. Also carry a Halo jumper and regular pump and jumper just incase.[emoji322] [emoji21]
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12-28-2018, 06:21 PM
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#8
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Member
Fleetwood Owners Club Holiday Rambler Owners Club
Join Date: Aug 2017
Location: Lake Zurich, IL
Posts: 60
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Quote:
Originally Posted by Bobnchris484
It is a 2013. No, it dies when unhooked. My husband removed the fuse, but still dies.
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We also have a 13 CR V and had initial issues. Solved by the following:
1) New battery
2) Installed battery cut off switch - disable battery when being towed
3) Charge line to RV
4) We utilize a Brake Buddy and installed a dedicated 12 volt outlet wired directly to battery to plug in to.
Not had a single issue. These are simple fixes.....
__________________
Rob, Barb and Millie the Lab
2021 Holiday Rambler Armada 40M
2013 CR V Toad
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12-28-2018, 06:38 PM
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#9
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Senior Member
Join Date: Jan 2016
Posts: 8,474
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My CRV battery kept dying when we towed it. I put in a switch to disconnect the fuse, but it didn't help. I installed a charging line from the coach, and that didn't help either. So, I finally just bought one of those lithium battery car jumper gizmos, and used it to jump the car when we would arrive at our destination. A year later, my wife took a look at the fuse box, and figured out I had been disconnecting the wrong fuse. I changed the switch to the right fuse, and no more trouble since.
__________________
Mike
2014 40G Fleetwood Discovery
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