Trailer wiring diagrams

Submitted: Wednesday, Apr 05, 2006 at 17:52
ThreadID: 32554 Views:43102 Replies:7 FollowUps:4
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I'm having alot of trouble with my boat trailer. As the parkers are on, every light is lit up. Every other light system works (indicators, brakes, etc). I was wondering if you guys could help me with finding a trailer wiring diagram for a basic 5 wire system. I can't seem to find anything on the internet. Any help would be greatly appreciated, and quickly!! I need to travel during easter legally!
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Reply By: Shaker - Wednesday, Apr 05, 2006 at 18:02

Wednesday, Apr 05, 2006 at 18:02
1 minute with Google!

http://peterpam.customer.netspace.net.au/5pin.jpg
AnswerID: 165040

Follow Up By: Shaker - Wednesday, Apr 05, 2006 at 18:03

Wednesday, Apr 05, 2006 at 18:03
BTW sounds like you have an earth problem.
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FollowupID: 419916

Reply By: Russel & Mary - Wednesday, Apr 05, 2006 at 18:10

Wednesday, Apr 05, 2006 at 18:10
Hi there 5 pin as follows
1. -
2.left turn yellow
3.earth white
4. -
5.right turn green
6.stop red
7.tail brown

7 pin as follows

1.left turn yellow
2.reverse black
3.earth white
4.right turn green
5.auxilliary
6.stop red
7.tail brown I have this stamped on the A frame of our camper,
in case something happens "out-back". Rus.
AnswerID: 165044

Follow Up By: Russel & Mary - Wednesday, Apr 05, 2006 at 20:03

Wednesday, Apr 05, 2006 at 20:03
check out howie's site link. It appears that I owe an appology for 5 pin wiring. Rus.
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Follow Up By: Marn - Thursday, Apr 06, 2006 at 04:43

Thursday, Apr 06, 2006 at 04:43
HI all, as I dont tow anything that requires reverse lights or aux power,I have found it handy to put in a small piece of wire between pins 1&2 and 4&5. this way i can plug a 5 pin plug into my 7 pin socket and my blinkers ect will still work fine. Saves on expensive adaptor plugs. As for the light problem, the problem is as Greenant described below. Pull apart all your earths and clean off any rust/corrosion.It does not take much to stop 12v.

Cheers Marn
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FollowupID: 420010

Reply By: howie - Wednesday, Apr 05, 2006 at 18:51

Wednesday, Apr 05, 2006 at 18:51
Site Link
AnswerID: 165052

Follow Up By: Russel & Mary - Wednesday, Apr 05, 2006 at 20:02

Wednesday, Apr 05, 2006 at 20:02
Howie, I've only ever used the 7 pin set up and it appears that my list for the 5 pin is wrong, according to the site link. I will copy these down , thanks for that. Rus.
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FollowupID: 419951

Reply By: greenant - Wednesday, Apr 05, 2006 at 18:52

Wednesday, Apr 05, 2006 at 18:52
you have a bad earth on the trailer and the lights are earthing out thru all the globes

Greenant
AnswerID: 165053

Reply By: Member - MrBitchi (QLD) - Thursday, Apr 06, 2006 at 08:44

Thursday, Apr 06, 2006 at 08:44
Narva

AnswerID: 165169

Reply By: bombsquad - Thursday, Apr 06, 2006 at 09:19

Thursday, Apr 06, 2006 at 09:19
Trailer plugs give me the ........ at one stage I had 4 trailers and 2 cars, 4 different plugs on the trailers, and the cars were different. Although us Australians are over regulated and governed I would applaud a regulation that has one std plug for trailers and cars. would help with borrowed and hired vehicles as well.

Needless to say, I spent a day converting all of the above to the same plug when it got too much to handle. I'm now in the process of getting all of the rims and tyres on the 2 boats the same as the nissan.

Cheers Andrew
AnswerID: 165183

Reply By: Finito - Friday, Apr 07, 2006 at 10:39

Friday, Apr 07, 2006 at 10:39
I woulld normally be agreeing with you guys about a bad earth, but the problem is that the earth wires are wired directly into each bulb in a harness type arrangement. The earth is at no point connected to the frame. The trailer is only 2 years old, and has been "maintained" by a university rowing team, so it was not the kind of thing they would have picked up on. It seems that whoever wired the trailer up in the first place has got some of the wiring wrong, so what I'm trying to find is a wiring diagram for the trailer, not for the socket. It is always fustrating i know, but has anyone totally rewired a trailer, and have a schematic diagram of the whole shebang?
AnswerID: 165535

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