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General => General Discussion => Topic started by: trainman605 on December 02, 2025, 11:26:49 AM

Title: Which power wires do I use on an LGB F-7 Trucks
Post by: trainman605 on December 02, 2025, 11:26:49 AM

I'm going to install Rail Pro in an LGB F-7, which color wires on the power block do I use. I have done this before on my LGB Rio Grande diesel, I'm thinking I used the Brown and Yellow wires, is that correct or not. I think the Red wire is not used, but what is the Red wire used for. Please correct me on this, I could dissemble my LGB diesel to see what I did but would rather not do that just to look inside. Thanks for your help, trainman605

Title: Re: Which power wires do I use on an LGB F-7 Trucks
Post by: gregeusa on December 02, 2025, 12:04:27 PM

Do your trucks have 3 wires or 4 wires?

Are you running from track or battery?

I can give you the answer if you answer these 2 questions.