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05-21-2013, 09:22 AM
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#41
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Member
Join Date: Feb 2013
Location: Newport, RI
Posts: 54
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I just had a thought on this. If he pulled it to "set the brakes" when he set up during his camping trip, and was also plugged into shore power, then his power convertor was supplying continuous power to his brakes, not the battery (unless he was dry camping). The battery likely only supplied the brake circuit for a short period of time when the camper was not connected to shore power.
If this is the case then his battery may be fine. But not so good for the breakaway switch, wiring, and magnet coils in the brakes.
__________________
Wildwood 26TBSS
Dodge Ram 2500 / Cummins Diesel
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05-21-2013, 10:35 AM
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#42
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Member
Join Date: Oct 2012
Posts: 46
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What about the inverter? Could it be damaged too? There was a direct short somewhere in the system.
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Home is where you park it.
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05-21-2013, 11:14 AM
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#43
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Senior Member
Join Date: Jul 2012
Posts: 1,258
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Quote:
Originally Posted by Ole Sage
What about the inverter? Could it be damaged too? There was a direct short somewhere in the system.
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I don't think so.
No short.
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05-21-2013, 12:49 PM
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#44
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Member
Join Date: Feb 2013
Location: Newport, RI
Posts: 54
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A direct short would have blown a fuse.
__________________
Wildwood 26TBSS
Dodge Ram 2500 / Cummins Diesel
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05-21-2013, 02:37 PM
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#45
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,554
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Quote:
Originally Posted by Ole Sage
What about the inverter? Could it be damaged too? There was a direct short somewhere in the system.
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you mean CONVERTER, not inverter.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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05-22-2013, 06:05 AM
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#46
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Quote:
Originally Posted by OldCoot
Every trailer I've owned has been like this from the factory, as it is not tight against the frame and can swivel according to the pull on the cable. On my 5er, I put tension on the cable and then tightened the screw holding it in the proper alignment. The other trailers, I left it loose to swivel.
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The switch is mounted and secured by a Self tapping sheet metal screw. If all of the ones you have owned are just like this one you better look agin at this Shoddy Mount. The (Ground Strap is held on by the sheet metal screw). A ground strap needs to be TIGHT to the frame for a good ground! I stand by my statement (Shoddy install)! Youroo!!
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05-22-2013, 06:50 AM
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#47
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,268
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Quote:
Originally Posted by youroo
The switch is mounted and secured by a Self tapping sheet metal screw. If all of the ones you have owned are just like this one you better look agin at this Shoddy Mount. The (Ground Strap is held on by the sheet metal screw). A ground strap needs to be TIGHT to the frame for a good ground! I stand by my statement (Shoddy install)! Youroo!!
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We are talking about the breakaway switch right?
I believe it only "makes" the positive wire from the battery to the 4 brake magnets.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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05-22-2013, 07:01 AM
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#48
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by herk7769
We are talking about the breakaway switch right?
I believe it only "makes" the positive wire from the battery to the 4 brake magnets.
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You are correct.
Just makes connection with hot wire.
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05-22-2013, 07:31 AM
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#49
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Quote:
Originally Posted by herk7769
We are talking about the breakaway switch right?
I believe it only "makes" the positive wire from the battery to the 4 brake magnets.
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Yes that is what I am talking about,the way the switch is mounted! OC says it has to pivot,the OP pics show the main (Ground Wire) on the same Sheet metal screw. It must be (Tight) to ground to the frame.Thus (NO) pivot. I said nothing about the groud for the (Brakes)? Youroo!!
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05-22-2013, 07:35 AM
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#50
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Site Team
Join Date: Mar 2008
Location: Louisville, KY
Posts: 10,505
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Lou, you can see the large white wire under the slightly melted switch box
mounting screw.
Looks like they used the same screw to anchor the neg battery wire and
the EB switch box.
In that case it definitely needs to be really tight!!
My battery ground wire is on a screw with a star washer by itself!
(As I think it should be.)
__________________
Peace!
Dan & Rita D
2017 Nissan Titan 5.6L King cab 4wd
2016 Evergreen Everlite 242RBS
29' empty nest model. Blue Ox WD hitch
(1 queen bed, large main cabin and huge bathroom)
Camping days 2010-53, 2011-47, 2012-41, 2013-41, 2014-31, 2015-40, 2016-44, 2017-63, 2018-75, 2019-32, 2020-41, 2021-49, 2022-43, 2023-66
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05-22-2013, 07:42 AM
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#51
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Imo the ground should be hooked to the battery ........
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05-22-2013, 07:42 AM
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#52
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Site Team
Join Date: Mar 2008
Location: Louisville, KY
Posts: 10,505
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My guess is the EB switch box melted simply due to corrosion inside the
box. There are just 2 simple contacts inside there that are separated by
the plastic pin. Pull the pin and the contact are -supposed- to come together
and send 12v to the trailer brakes.
These EB switches are cheaply made and NOT water proof. A little road
grime, salt, water & age all add up to a poor connection when/if
the pin is pulled.
A weak connection (corroded contacts) can overheat and eventually melt
the EB box.
If you are in a highway trailer disconnect event, you don't care if the EB
switch box is melting as long as the trailer brakes are ON.
I also wonder if the electric brake coils were over heated.
They should be checked I think.....
I've heard other folks who thought they could use the EB switch as a
parking brake. IMO there should be a red cardboard tag attached to
each EB cable on new trailers that says what it is for and what it's NOT
for.
__________________
Peace!
Dan & Rita D
2017 Nissan Titan 5.6L King cab 4wd
2016 Evergreen Everlite 242RBS
29' empty nest model. Blue Ox WD hitch
(1 queen bed, large main cabin and huge bathroom)
Camping days 2010-53, 2011-47, 2012-41, 2013-41, 2014-31, 2015-40, 2016-44, 2017-63, 2018-75, 2019-32, 2020-41, 2021-49, 2022-43, 2023-66
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05-22-2013, 07:43 AM
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#53
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Site Team
Join Date: Mar 2008
Location: Louisville, KY
Posts: 10,505
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Quote:
Originally Posted by f1100turbo
Imo the ground should be hooked to the battery ........
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Yes but the other end has to connect to the trailer frame.
In this case they have apparently used the EB switch mounting screw
for this.
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05-22-2013, 07:46 AM
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#54
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,268
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Quote:
Originally Posted by youroo
Yes that is what I am talking about,the way the switch is mounted! OC says it has to pivot,the OP pics show the main (Ground Wire) on the same Sheet metal screw. It must be (Tight) to ground to the frame.Thus (NO) pivot. I said nothing about the groud for the (Brakes)? Youroo!!
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Holy Cow! How did I miss that!
Talk about "finding a convenient ground!" You are so right.
"Woodie" strikes again.
My apologies.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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05-22-2013, 07:46 AM
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#55
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by youroo
The switch is mounted and secured by a Self tapping sheet metal screw. If all of the ones you have owned are just like this one you better look agin at this Shoddy Mount. The (Ground Strap is held on by the sheet metal screw). A ground strap needs to be TIGHT to the frame for a good ground! I stand by my statement (Shoddy install)! Youroo!!
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Didn't say anything about the ground wire in the picture which is, as you say, wrong and should not be on that screw. The ground has nothing to do with the EB switch.
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05-22-2013, 07:56 AM
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#56
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,268
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Quote:
Originally Posted by KyDan
I've heard other folks who thought they could use the EB switch as a parking brake. IMO there should be a red cardboard tag attached to each EB cable on new trailers that says what it is for and what it's NOT for.
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Sort of like "Coffee is hot" on cups and Warnings on gun barrels?
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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05-22-2013, 08:09 AM
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#57
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by herk7769
Sort of like "Coffee is hot" on cups and Warnings on gun barrels?
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Nice ear plugs being used by the guy on the right. All he has to do to increase sound suppression is pull the trigger.
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05-22-2013, 08:22 AM
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#58
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,268
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Quote:
Originally Posted by OldCoot
Nice ear plugs being used by the guy on the right. All he has to do to increase sound suppression is pull the trigger.
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Note his hat... So much for "Don't try this at home; we are trained individuals."
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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05-22-2013, 08:28 AM
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#59
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by herk7769
Note his hat... So much for "Don't try this at home; we are trained individuals."
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Was probably trained by the head honcho or his boss.
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05-22-2013, 08:30 AM
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#60
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Senior Member
Join Date: Sep 2012
Location: Eastern PA
Posts: 881
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Quote:
Originally Posted by herk7769
Note his hat... So much for "Don't try this at home; we are trained individuals."
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Maybe he had already made it to the training on the first two initials that day.
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2011 PrimeTime Tracer 2600rls
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