Moderated Discussion Areas
ContinuousWave: Small Boat Electrical
|Author||Topic: Trailer Wiring|
posted 04-29-2008 06:54 AM ET (US)
Hello People I have a problem with my boat trailer. I have a 7 pin socket with only 5 wires.
I dont have any wires going into 5 and 2
My lights do not work at all and if i plug my normal trailer in they all work fine so i know its not the car. Does anyone have any sugestions.
posted 04-29-2008 07:36 AM ET (US)
They make an adaptor/adaptors that will place your wires in the right place that will pug into the seven pin, The wires you need are white (ground) yellow (power) green (left) Brown (right). All of the car companies are now going to these type trailer connectors. You can find the adaptors at auto parts, car dealer (pay a high price) and trailer places...good luck
posted 04-29-2008 12:53 PM ET (US)
This should help, I never bought anything from them but the information is appropriate for your situation:
posted 04-29-2008 04:22 PM ET (US)
Good post dave
posted 04-29-2008 05:43 PM ET (US)
so do you think it might be that i have no earth. I have the 7 pin plug going into a 7 pin socket its just I dont have the 2 wires. Wanted to know if i needed them or not.
posted 04-29-2008 09:41 PM ET (US)
Something is wrong with the description of the terminals that your trailer wires go to. You were not specific about what you have for a trailer. It would be helpful to know what lights you actually have and if there are electric brakes or backup lights.
Assuming that you do not have electric brakes then you really only need four wires for your trailer lights:
Terminal 1 should be ground (white)
Terminal 7 should be backup lights (yellow) if you have them.
If you look at my posted link the terminal and wire configuration is shown from the backside of the connector shells, the side the wires enter. You can confirm your cars wiring with a volt meter. I would start there. Since you have a second trailer that works, then you will have to match the wiring of the trailer that doesn't work to what you determine is the actual wiring on the car/truck.
posted 04-30-2008 09:41 PM ET (US)
Does your trailer connection look like any of those in the link that davej14 posted? Your use of the term "earth" rather than "ground" makes me think you might be supplied with connectors different from those used here in the states.
posted 05-01-2008 10:59 PM ET (US)
Trailer wiring rears it's ugly head on my once a year minimum. There is an evil ghost in my trailer that just won't leave. It's possessed!
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