12 pin caravan plug

Submitted: Wednesday, Apr 26, 2017 at 16:16
ThreadID: 134734 Views:2207 Replies:3 FollowUps:8
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Has anyone had trouble with connectivity with the vehicle?I'm forever cleaning the pins to get contact
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Reply By: 9900Eagle - Wednesday, Apr 26, 2017 at 16:28

Wednesday, Apr 26, 2017 at 16:28
They aren't the greatest design but where you get this problem is mostly caused by how you disconnect the plug.

I get a great run out of the flat plugs, what I don't do is wiggle the plug sideways when disconnecting, that stops the pins from squeezing together and giving you a bad connection. I would average around 3 to 4 hundred connects and disconnects in a year and get 3 yrs out of a plug.

AnswerID: 610575

Follow Up By: Kazza055 - Wednesday, Apr 26, 2017 at 16:57

Wednesday, Apr 26, 2017 at 16:57
Had never considered that Eagle but a simple way to fix them is to run a Stanley Trimmer blade down the split in the pin, this spreads them apart again.
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Follow Up By: 9900Eagle - Wednesday, Apr 26, 2017 at 19:49

Wednesday, Apr 26, 2017 at 19:49
Yep, but not for long as the pins have already lost their tensile strength.
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Follow Up By: Michael 1954 - Friday, Apr 28, 2017 at 18:35

Friday, Apr 28, 2017 at 18:35
OK i have the same problem with my 12 pin every thing works except the fridge sometimes.
Whats the best way to disconnect plug?Ive always wiggled side to side on the old 7 pin never any trouble.
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Follow Up By: 9900Eagle - Saturday, Apr 29, 2017 at 04:16

Saturday, Apr 29, 2017 at 04:16
Micheal, if you have the strength pull it straight out, otherwise move it up and down as that doesn't squeeze the pin slots together.
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Follow Up By: Michael 1954 - Saturday, Apr 29, 2017 at 10:08

Saturday, Apr 29, 2017 at 10:08
Thanks 9900 Eagle. I will try that next time .

Cheers
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Follow Up By: Frank P (NSW) - Thursday, May 04, 2017 at 18:26

Thursday, May 04, 2017 at 18:26
What about a large round 7 pin. I have the same problem and the pins have two slots so whichever way you jiggle it, the pins will be affected.

Maybe change to a 12 pin flat?
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Reply By: Member - Tony H (touring oz) - Wednesday, Apr 26, 2017 at 16:32

Wednesday, Apr 26, 2017 at 16:32
Are you running too much power (amps) through the larger pins .....that will cause problems if you are consider fitting an Anderson Plug.
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Reply By: Notso - Thursday, Apr 27, 2017 at 14:25

Thursday, Apr 27, 2017 at 14:25
Do what I've got and use the Large 7 pin round with Anderson plugs for the rest. Not my idea but my van manufacturer refused to fit the flat plugs.
AnswerID: 610604

Follow Up By: Dean K3 - Thursday, May 04, 2017 at 17:31

Thursday, May 04, 2017 at 17:31
Victorian plated caravan and tow vehicle ? they only one who legislate a large round pin setup. rest are flat or small round, apart from heavy vehicles.

why anybody would try use 12 pin for every contact allowing for voltage drop to auxiliary battery to caravan etc is beyond me. as you mentioned anderson plug is best method.

Do find dust gets into plugs all time despite blanking off when not using anderson or trailer plug but squirt of electrical contact cleaner helps alot
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Follow Up By: Notso - Thursday, May 04, 2017 at 18:29

Thursday, May 04, 2017 at 18:29
NSW Rego, but built in Vic!

The builder was very insistent about the use of the Large Round. I had used the flat 7 for years but the pins were always getting pinched in and obviously overheating on the brake pins. Best move ever to use the round! Got a wireless breakaway indicator so no wiring needed for that.
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