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Hellsranger
Joined: 30 Oct 2017 Posts: 22 City/Region: Bellingham
State or Province: WA
C-Dory Year: 1991
C-Dory Model: 22 Cruiser
Vessel Name: Golden Heart
Photos: Golden Heart
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Posted: Fri Dec 01, 2017 11:52 pm Post subject: Brakes lock up when backing |
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I need to be advised. I just bought a 91 CD22 Cruiser on a 91 King dual axle trailer. My truck has a 4 wire flat plug, the trailer has a 5 wire flat plug, I plugged it in and all the lights worked so off I went. When I got to where I'm keeping the boat for the winter, I attemped to back the trailer into a spot and the trailer brakes locked up. It's a gravel lot, so I put the truck in 4 low and skidded it into the slot. Will rewiring my truck with a 5 wire flat plug solve this problem? _________________ What's so funny bout
peace, love and understanding? |
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Brewkid
Joined: 14 Apr 2015 Posts: 137 City/Region: Whidbey Is
State or Province: WA
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SCALLYWAG
Photos: Scallywag
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Posted: Sat Dec 02, 2017 12:04 am Post subject: |
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You likely have hydraulic surge brakes. If your backup solenoid is not wired correctly or not working, that will happen.
John
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Wandering Sagebrush
Joined: 21 Jan 2005 Posts: 2770 City/Region: Northeast Oregon
State or Province: OR
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Constant Craving
Photos: Constant Craving
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Posted: Sat Dec 02, 2017 12:36 am Post subject: Re: Brakes lock up when backing |
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Hellsranger wrote: | I need to be advised. I just bought a 91 CD22 Cruiser on a 91 King dual axle trailer. My truck has a 4 wire flat plug, the trailer has a 5 wire flat plug, I plugged it in and all the lights worked so off I went. When I got to where I'm keeping the boat for the winter, I attemped to back the trailer into a spot and the trailer brakes locked up. It's a gravel lot, so I put the truck in 4 low and skidded it into the slot. Will rewiring my truck with a 5 wire flat plug solve this problem? |
Yes, that will work and will be the best solution. You should also have at least one mechanical away to lock out the actuator. Did you get a manual for the trailer? _________________ "And in the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln |
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Hellsranger
Joined: 30 Oct 2017 Posts: 22 City/Region: Bellingham
State or Province: WA
C-Dory Year: 1991
C-Dory Model: 22 Cruiser
Vessel Name: Golden Heart
Photos: Golden Heart
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Posted: Sat Dec 02, 2017 12:43 am Post subject: |
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Thanks John
I appreciate your input
I'm new to this and this forum is gonna be a life $aver
Thanks Wandering Sage Brush, nope, no manual
Mac |
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Ferg
Joined: 18 Jun 2015 Posts: 187 City/Region: Oak Island
State or Province: NC
C-Dory Year: 2008
C-Dory Model: 25 Cruiser
Vessel Name: Here & Now
Photos: Here & Now
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Posted: Sat Dec 02, 2017 8:11 am Post subject: |
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It looks like the hydraulic solenoid over-ride is not engaging. I’ve been through this before. Just because you have lights, it doesn’t necessarily mean that the backup connection is making contact.
Here’s what worked for me - thoroughly clean the male and female plugs and spray with WD40. Apply a small of dielectric grease on the connections.Don’t use too much grease, because it’s really an insulator, not a conductor. |
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hardee
Joined: 30 Oct 2006 Posts: 12632 City/Region: Sequim
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Sleepy-C
Photos: SleepyC
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Posted: Sat Dec 02, 2017 8:49 am Post subject: |
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Here's my bet. You have surge brakes on the trailer. One wire from your truck should be hot when you put the truck into reverse. (That is when your backup lights come on on the truck.) That wire should activate your surge brake lock out to keep it from applying the brake as the truck to tongue pressure increases (which is what happens when you are towing forward and apply the brakes in the truck). There should also be a way to manually lock out that surge brake (a key or bolt to keep the hitch from compressing in the trailer tongue, activating the surge hydraulics, and allowing you to back up.
Look at your trailer tongue, close to the hitch for an elongated hole, (oval ends are fore and aft with the trailer), or a hole or slot to put a pin, bolt or lock through that prevents a ram from the brake cylinder to move fore and aft.
Also find a wiring diagram for the truck and see if it matches the trailer and also see which truck wire is not being connected to the trailer.
Sure hope that helps, and congrats on the new to you 19.
Enjoy,
Harvey
SleepyC
![](http://www.c-brats.com/albums/album1333/January_2010_349.thumb.jpg) _________________ Though in our sleep we are not conscious of our activity or surroundings, we should not, in our wakefulness, be unconscious of our sleep. |
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rbfconstruction
Joined: 19 Sep 2017 Posts: 126 City/Region: huntington beach
State or Province: CA
Photos: Angler Management
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Posted: Sat Dec 02, 2017 11:16 am Post subject: Brakes lock up when backing |
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I had the exact same issue. It was the solenoid that needed replacement. They have a 4 to 5 adapter at the auto parts store. My trailer had two flat hook metal arms behind the ball socket (sliding out of the trailer towards the truck). Yes, I put a bolt in there to bypass the brakes, so I could get it to the trailer shop.
Richard |
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localboy
Joined: 30 Sep 2006 Posts: 4656 City/Region: Lake Stevens via Honolulu
State or Province: WA
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: 'Au Kai (Ocean Traveler)
Photos: 'AU KAI
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Posted: Sat Dec 02, 2017 1:03 pm Post subject: |
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Been there. Done that. Back up solenoid needed replacement. Not difficult, but you will need to bleed the entire brake system after it's installed. To test apply twelve volt power hot/ground; you should hear it "click". _________________ "We can go over there...behind the 'little one'....."
Wife to her husband pointing @ us...from the bow of their 50-footer; Prideaux Haven 2013 |
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thataway
Joined: 02 Nov 2003 Posts: 20808 City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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Posted: Sat Dec 02, 2017 1:55 pm Post subject: |
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A four pole plug will have trailer running lights, right turn, left turn, and brakes (Rt and Lt turns combined).
A 5 pole plug will have the above, plus the blue wire--which is the reverse lock out for the solenoid.
At this post, since he has never energized the 5th pole *(the 5th on the input), we have no idea if the solenoid is good nor not.
It the truck has the 7 pin standard tow plug, then you get a 5 pin adaptor, and that should energize the reverse lock out solenoid.
If the truck is not wired properly--(and some are wired for electric brakes), then the blue wire or 5th pole goes to the reverse light. Problems solved.
There are many ways to mechanically lock out the brakes (only in reverse!), and those include a pin or bolt thru a hole. Many trailers do not have that hole--and you can put a large C clamp over the frame, or I carry "Chain Vise Grips" which are handy for all sorts of things, and use those. _________________ Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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Dan McNally
Joined: 04 Jul 2006 Posts: 161 City/Region: Bothell
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Shannon- Colleen
Photos: Shannon-Colleen
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Posted: Sat Dec 02, 2017 2:13 pm Post subject: |
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Bob is correct again his description is spot on.
Dan |
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nordicstallion
Joined: 16 Dec 2007 Posts: 380 City/Region: Crescent City
State or Province: CA
C-Dory Year: 2004
C-Dory Model: 19 Angler
Vessel Name: Rylee Rose
Photos: Rylee Rose
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Posted: Sat Dec 02, 2017 6:06 pm Post subject: |
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I switched from drums to kodiac disc brakes & new surge brake. First thing I noticed was the trailer wheels locking up in reverse. I've read that the reverse solinoid lockout fails regularly. I just drilled a hole thru the surge brake & put in a lockout pin when I back up, problem solved..forever! |
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Marco Flamingo
Joined: 09 Jul 2015 Posts: 1155 City/Region: Seattle
State or Province: WA
C-Dory Year: 2004
C-Dory Model: 16 Cruiser
Vessel Name: Limpet
Photos: Limpet
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Posted: Mon Dec 04, 2017 10:18 am Post subject: |
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Mine has a little hole for a lockout pin. When needed, I pull the lock pin on the hitch handle and use that if I need to back up and the electrical isn't working properly. The pin is connected to the frame with a stainless braid wire, so it's always there when needed.
Find the manual for your receiver on line. You will need to know how and when to bleed, replace fluid, etc.
Mark |
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tsturm
Joined: 01 Nov 2003 Posts: 1134 City/Region: Soldotna
State or Province: AK
C-Dory Year: 2003
C-Dory Model: 25 Cruiser
Vessel Name: JMR TOO
Photos: JMR-TOO
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Posted: Mon Dec 04, 2017 10:46 am Post subject: Re: Brakes lock up when backing |
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Hellsranger wrote: | Will rewiring my truck with a 5 wire flat plug solve this problem? |
My 2003 King Trailer has no reverse lockout solenoid.
It has a hole for a pin to keep the actuator from contacting the master cylinder while backing. |
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PaulNBriannaLynn
Joined: 26 Oct 2012 Posts: 757 City/Region: Fort White
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 22 Cruiser
Vessel Name: TBD
Photos: Lorelei
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Posted: Mon Dec 04, 2017 11:28 am Post subject: |
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I had a 2003 King double axle for years, and it would do exactly what you describe.
I had a bolt that I would put in the coupler to lock out the brakes when maneuvering around parking lots or backing up, and when I was on the highway I would take the bolt out.
Unfortunately I never knew there was a solution so I just dealt with it, and sold that boat before ever fixing that issue. _________________ 2007 22 cruiser sold 10/2021
2009 Parker 23 sold 10/2017
2003 22 cruiser sold 3/2016 |
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olsurfdog
Joined: 13 Nov 2009 Posts: 179 City/Region: Carmel Valley
State or Province: CA
C-Dory Year: 1989
C-Dory Model: 22 Cruiser
Vessel Name: Summer
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Posted: Mon Dec 04, 2017 1:27 pm Post subject: |
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My '07 E-Z Loader trailer does not have a solenoid either. There is a button on top of the coupler/ brake applicator. This must be turned to lock out the brakes for backing. Then, don't forget, after backing, to turn button back before driving off (or brakes won't be working!!). _________________ Michael
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I am where I am
Because I was where I was |
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