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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Electric brakes issue

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plasticmaster

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Posted: 09/01/21 05:44pm Link  |  Quote  |  Print  |  Notify Moderator

When I plugged the power cable from my camper to my truck yesterday, I got a message on my dash that said check trailer wiring. I tested the brakes and indeed they were not working. I blew out both ends of the plug really well with my air compressor, plugged it back in, and then everything worked fine. We did have a little rain earlier in the day. This has happened a few times now. Is there anything more permanent I can do to ensure a good connection so I don't have to rely on the air compressor? Thanks.

Boon Docker

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Posted: 09/01/21 06:21pm Link  |  Quote  |  Print  |  Notify Moderator

This cleaner or something similar.

JRscooby

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Posted: 09/01/21 07:19pm Link  |  Quote  |  Print  |  Notify Moderator

Cleaner is good, then put Di-Electric grease on the plug, so it covers the connection

MitchF150

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Posted: 09/01/21 09:02pm Link  |  Quote  |  Print  |  Notify Moderator

Get a small flat blade screw driver and on the trailer plug side, carefully pry the blades open a bit more so they will have a tighter fit on the trucks plug.

Good luck! Mitch
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2 many 2

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Posted: 09/02/21 02:30am Link  |  Quote  |  Print  |  Notify Moderator

Boon Docker wrote:

This cleaner or something similar.

X2

WNYBob

Tonawanda, NY

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Posted: 09/02/21 06:46am Link  |  Quote  |  Print  |  Notify Moderator

I see this often here on RV.net, but Dielectric grease is used for sealing, protecting and electrical insulating. Improves electrical performance by reducing arcing, voltage drop and other conditions. This will help keep out water and other contaminates.
But it does not clean or lubricate your plugs, the cleaner mentioned earlier is what should be used first to make better contact.

Lynnmor

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Posted: 09/02/21 07:18am Link  |  Quote  |  Print  |  Notify Moderator

Keep your trailer plug in a Plug-Guard when not in use. Plug in and out several times when hooking up to wipe the contacts. Using the spray mentioned above is worthwhile.





Lwiddis

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Posted: 09/02/21 11:38am Link  |  Quote  |  Print  |  Notify Moderator

Plugs "wear out." I replaced mine and no further issues.


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ktmrfs

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Posted: 09/02/21 12:14pm Link  |  Quote  |  Print  |  Notify Moderator

2 many 2 wrote:

Boon Docker wrote:

This cleaner or something similar.

X2


X3, detox is good stuff.


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Gdetrailer

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Posted: 09/02/21 01:08pm Link  |  Quote  |  Print  |  Notify Moderator

plasticmaster wrote:

Is there anything more permanent I can do to ensure a good connection so I don't have to rely on the air compressor? Thanks.


Yes, when not in use or towing just tuck the connector back under the propane tanks on the tongue making sure the cable has a little droop and the plug is above that droop.

The propane tanks create a natural shelter from the rain and the droop in the wire creates a drip loop that stops water from following the wire to the connector end.

No greases, no air compressor, cleaners ever needed if you simply shelter the plug.

You still do need to periodically check and clean any corrosion on the connector since they are typically brass and brass naturally oxidizes from moisture in the air (the oxidation creates a nonconductive layer on the surface). For oxidization, I fold some sand paper a few times then insert it into the connector to shine up the brass.

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