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RailPro Specific Help & Discussion / Directional Lighting Issue
« Last post by Espeelark on November 21, 2025, 01:02:15 PM »Howdy!
I just completed the install of a (used) LM-3S module into an Atlas U33C. Everything works great except for the front headlight.
I have enabled "Directional Lighting".
When the loco goes forward, the front headlight does NOT come on.
When I select reverse, the rear headlight comes on as expected.
Selecting forward again, the rear headlight shuts off but the front headlight does NOT come on.
When I manually turn the front headlight on, it stays on regardless if its going forward or reverse.
Don't understand why this is occurring. I don't have this issue on any other loco/LM-3S module.
Any help would be appreciated! Thanks!
I just completed the install of a (used) LM-3S module into an Atlas U33C. Everything works great except for the front headlight.
I have enabled "Directional Lighting".
When the loco goes forward, the front headlight does NOT come on.
When I select reverse, the rear headlight comes on as expected.
Selecting forward again, the rear headlight shuts off but the front headlight does NOT come on.
When I manually turn the front headlight on, it stays on regardless if its going forward or reverse.
Don't understand why this is occurring. I don't have this issue on any other loco/LM-3S module.
Any help would be appreciated! Thanks!

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