5 to 4 harness


Information and questions on GL1500 Goldwings (1988-2000)
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hap2
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5 to 4 harness

Postby hap2 » Sun Jul 17, 2016 12:42 am



If I get this: Item: 45-1848 Add On (in stock) (from Cyclemax) for my 1500, which has the 5 way wiring system, can I use the same plug on my car which has a 4 way wiring system?

I was gonna take a 600 miles trip with the bike, but I have no brake lights on the trailer when hooked up to the bike, so better not as it's a safety thing. With the car hooked to the trailer, I get brake lights.



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dingdong
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Re: 5 to 4 harness

Postby dingdong » Sun Jul 17, 2016 5:31 am

Yes. That is what that converter is designed to do. It forces the brake and signals to use the same bulb filiment.
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hap2
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Re: 5 to 4 harness

Postby hap2 » Sun Jul 17, 2016 9:53 am

Thanx Tom. Do u know if it's easy to wire up? 'My' bike has a stationary round male plug, so I use a round-to-flat converter to plug it into female 4 min plug coming from the trailer. That's y everything works for lights on the trailer when I have to hooked to the car, but when I have to hooked to the bike everything also works EXCEPT the brake lights.

Maybe I can just get a couple of those magnetic lights the tow truck drivers use to put on disabled cars to have temporary signal & brake lights. I'd just put the magnetic lights on the trailer. Least id b legal. Just a thot.

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Re: 5 to 4 harness

Postby aj1500 » Mon Jul 18, 2016 1:54 pm

nevermind I read it wrong :oops:
good luck with it

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Re: 5 to 4 harness

Postby bstig60 » Mon Jul 18, 2016 11:32 pm

the 5-4 converter is a plug in set up. Install it and you will be able to use the 4 wire set up on your car. I have one on mine, but my trailer has a 5 wire system and my cargo trailer has a 4 wire system. So I installed the converter and added an extra wire so I can have proper lighting on both trailers with the bike.
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Charlie1Horse
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Re: 5 to 4 harness

Postby Charlie1Horse » Tue Jul 19, 2016 12:53 am

Your bike has separate turn signals and brake lights. Some cars and trucks have the same setup. But, some cancel a stop light to use it for a turn signal. With the canceling system you need 1- ground/white, 2- tail lights/brown, 3-left turn/yellow, 4-right turn/green. Green and yellow is also used for the stop lights. With the separate stop and turn system you need 1-ground/white, 2-tail lights/brown, 3-left turn/yellow, 4-right turn/green, and 5-stop/red, or else you will need an electronic control that will make the stop lights use the same wires, green and yellow (as in turn signals) to operate the stop lights, however it uses the ground to complete the circuit which makes the trailer turn signal flash opposite the tow vehicle. You will have to have the electronic controller on your bike for this application or else you will have to add separate turn lights with the fifth/red wire to the trailer. The adapter you refer to is only to make it possible to plug the trailer in to your bike's connector. You should be able to purchase the electric controller at any auto parts store. But with the 5 wire connector on the bike you may already have the controller. You will still need a plug adapter. I hope this helps.
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Re: 5 to 4 harness

Postby vtxcandyred » Tue Jul 19, 2016 8:20 am

I have a trailer with the round five wire hook-up and its great. I did pull a H.F. trailer with a clamshell topper on it and the converter I got had to be protected from the elements. It worked just fine though.

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Re: 5 to 4 harness

Postby glenwegener » Sat Jul 23, 2016 10:59 am

I just got back from a 5000 trip pulling homemade Harbor freight trailer with a 5-4 converter. I had mounted it in the saddlebag. Well, it got hot there and was blowing my tail light fuse. Mount it outside so it can get air. I had to replace mine account of overheating and a circuitry melt down. Just some advice.

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Re: 5 to 4 harness

Postby WingAdmin » Tue Jul 26, 2016 8:51 pm

glenwegener wrote:I just got back from a 5000 trip pulling homemade Harbor freight trailer with a 5-4 converter. I had mounted it in the saddlebag. Well, it got hot there and was blowing my tail light fuse. Mount it outside so it can get air. I had to replace mine account of overheating and a circuitry melt down. Just some advice.


Which is why a trailer isolator is really the right way to do this, so that your bike's electrical system isn't loaded with your trailer lights - and so that a short in the trailer doesn't take out all the lights on the bike!

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Re: 5 to 4 harness

Postby bstig60 » Tue Jul 26, 2016 9:33 pm

Which isolation harness set up do you recommend?
Bill

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Re: 5 to 4 harness

Postby WingAdmin » Tue Jul 26, 2016 10:01 pm

bstig60 wrote:Which isolation harness set up do you recommend?


I've had this one in my bike for years now with no problems:

http://cyclemax.com/inc/sdetail/gl1500_ ... /129/59647

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hap2
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Re: 5 to 4 harness

Postby hap2 » Tue Jul 26, 2016 10:34 pm

Bill: that looks like a good one, but 2 or 3 ppl have suggested that all I really need is an extra light (or even just a bulb) (designated just for brakes) on the trailer & he would make it work. That way seems kinda silly to me as then I could only pull that specific little trailer (& no others), but that's the only one I pull with the bike anyway. Hardwiring the extra brake light wire from the existing brake light wire on the bike to the plug on the bike (in this case a round 5 [to 4 flat adapter hole] male plug) will work.

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Re: 5 to 4 harness

Postby Dusty Boots » Wed Jul 27, 2016 6:31 am

When I wired my trailer harness for pulling my homemade HF cargo trailer, I used the Add-On trailer wiring harness that Admin referred to, plus a 5-4 wire converter attached to the Add-On wiring harness.
I tucked both units up above and behind the license plate light, under the trunk and then ran the wiring down the saddlebag stay to the hitch, secured with lots of zip ties.








When not trailering, I remove the ball mount and tuck the 4 way plug with a protective cap on it, inside the receiver.




Dusty

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hap2
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Re: 5 to 4 harness

Postby hap2 » Wed Jul 27, 2016 8:56 am

Thanx for all the advice & information. I think I now finally know what I'm gonna do to finally fix this.




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