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3 Blue Wires - Trailer Brake Wiring - Please look at your BUDDY trailer and tell me how the wires should be!!!!


watkinschad

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Please help. I have a 21' VLX 2005, on a Buddy Boat Trailer. My wiring harness all got cut. I fix all the wires on the first 4 prongs and all lights etc are working properly. However the 5th prong that controlls the breaks is where I am having a great deal of trouble. My brakes all worked perfectly before the wires got cut, but now I cant figure out how to hook up the 3 wires that are coming out of the 5th prong. The three wires are all blue, there are 2 dark blue and one light blue... Where do these all go? There is only 1 wire on the trailer that is unconnected, it is a dark blue wire leading into the master brake cylinder thing.

So, bottom line is I have 3 wires coming out of harness and one wire on trailer to attach it to, but which wire goes there and where do the other wires go... If someone could just look at their trailer wiring harness and let me know how the wires are supposed to go I would be eternally grateful... I am sick of driving around with no brakes!

Thanks in advance.

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Please help. I have a 21' VLX 2005, on a Buddy Boat Trailer. My wiring harness all got cut. I fix all the wires on the first 4 prongs and all lights etc are working properly. However the 5th prong that controlls the breaks is where I am having a great deal of trouble. My brakes all worked perfectly before the wires got cut, but now I cant figure out how to hook up the 3 wires that are coming out of the 5th prong. The three wires are all blue, there are 2 dark blue and one light blue... Where do these all go? There is only 1 wire on the trailer that is unconnected, it is a dark blue wire leading into the master brake cylinder thing.

So, bottom line is I have 3 wires coming out of harness and one wire on trailer to attach it to, but which wire goes there and where do the other wires go... If someone could just look at their trailer wiring harness and let me know how the wires are supposed to go I would be eternally grateful... I am sick of driving around with no brakes!

Thanks in advance.

Do you have back up lights on your trailer? Most likely one blue wire is for the back up solenoid, one blue wire for the port reverse, and one blue wire for the starboard reverse.

Trailers don't use blue wires for anything else other than back up so most likely all the blues are on the same circuit.

Hope this helps you out.

Paul

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Do you have electric brakes? If not, you should still have brakes even if no wires were hooked up, they would just lock up in reverse (especially reversing uphill) when the actuator is depressed without the dark blue wire connected to the back-up solenoid. Not sure what the other 2 wires are for..?

Edited by Ndawg12
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Well, that is where I am a little confussed... the person I bought it from said it has electric brakes... but it sure looks like a hydraulic system to me cause it has all the components of a hydraulic system: shock absorber, master cylinder, piston, etc...

Would it be possible that the other 2 wires are just some sort of accessory wires that aren't used for anything? One wire goes to the back up solenoid and the other 2 are extra?

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The other two could be 'pre-wiring' for reverse lights, like Bake's Marine said, if you do not in fact have reverse lights on your trailer. I would look back by your lights to see if they terminate there.

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