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General Category => General Discussion => Topic started by: JC85 on April 01, 2020, 05:31:26 PM

Title: Trailer wiring from European to American
Post by: JC85 on April 01, 2020, 05:31:26 PM
I got my cargo trailer for touring with a passenger, and I've got some questions. I -think- that I've got it figured out, but want to check with some of the more knowledgeable people in the community. So how does one go about wiring a European split system into an American flat 4 connector, and making it all work correctly?
Title: Re: Trailer wiring from European to American
Post by: pehayes on April 01, 2020, 06:30:11 PM
They make electronic boxes to do this.  Plenty of resources.

https://www.oreillyauto.com/detail/b/towing-solutions-3935/accessories-16449/accessories---exterior-16767/trailer---towing-16648/trailer-electrical-16828/tail-light-converters-17454/a8d791ae8b9c/hopkins-towing-solutions-wire-converter/48915/4379715?pos=0 (https://www.oreillyauto.com/detail/b/towing-solutions-3935/accessories-16449/accessories---exterior-16767/trailer---towing-16648/trailer-electrical-16828/tail-light-converters-17454/a8d791ae8b9c/hopkins-towing-solutions-wire-converter/48915/4379715?pos=0)

Patrick Hayes
Fremont CA
Title: Re: Trailer wiring from European to American
Post by: JC85 on April 01, 2020, 07:55:51 PM
Quote from: pehayes on April 01, 2020, 06:30:11 PM
They make electronic boxes to do this.  Plenty of resources.

https://www.oreillyauto.com/detail/b/towing-solutions-3935/accessories-16449/accessories---exterior-16767/trailer---towing-16648/trailer-electrical-16828/tail-light-converters-17454/a8d791ae8b9c/hopkins-towing-solutions-wire-converter/48915/4379715?pos=0 (https://www.oreillyauto.com/detail/b/towing-solutions-3935/accessories-16449/accessories---exterior-16767/trailer---towing-16648/trailer-electrical-16828/tail-light-converters-17454/a8d791ae8b9c/hopkins-towing-solutions-wire-converter/48915/4379715?pos=0)

Patrick Hayes
Fremont CA

Thanks. Specifically, though how does one go about wiring this into an old Guzzi?
Title: Re: Trailer wiring from European to American
Post by: pehayes on April 02, 2020, 12:09:55 AM
Quote from: JC85 on April 01, 2020, 07:55:51 PM
Thanks. Specifically, though how does one go about wiring this into an old Guzzi?


That depends on how old and what model.  Tell us that and we'll find a color wiring diagram for you.
The wires that feed the little black box will include:  ground, running lamp, stop lamp, left blinker, right blinker.  You will need to find the source wires for each of these elements and then use a ScotchLok or similar wire tap device to tap into each wire.

Patrick Hayes
Fremont CA
Title: Re: Trailer wiring from European to American
Post by: Murray on April 02, 2020, 01:52:25 AM
Quote from: pehayes on April 02, 2020, 12:09:55 AM

 use a ScotchLok or similar wire tap device to tap into each wire.

Patrick Hayes
Fremont CA

Please don't use these things specifically, I'd call them s!@# beyond words but really they are not that good.
Title: Re: Trailer wiring from European to American
Post by: JC85 on April 02, 2020, 02:14:12 AM
Sorry, forgot to mention that. It's a 74 Police Eldo. I have all of the wires identified for taillight, brake light, and turn signals. I'm just not 100% sure how to wire them into the flat 4 so that the two lights on my trailer function correctly as tail, brake, and turns.