![Repair Tutorial for 9v Train Motor. If it flutters down the track, this is how you fix the loose contacts. : r/LEGOtrains Repair Tutorial for 9v Train Motor. If it flutters down the track, this is how you fix the loose contacts. : r/LEGOtrains](https://preview.redd.it/yavgx57y0mw61.jpg?width=640&crop=smart&auto=webp&s=c753c31a495255cfb01d03e6d3fa04b6ce0a8065)
Repair Tutorial for 9v Train Motor. If it flutters down the track, this is how you fix the loose contacts. : r/LEGOtrains
![BrickLink - Part x1688c01 : LEGO Electric, Train Motor 9V RC Train with Black Axles and Wheels (x1688 / 3706 / 55423c01) [Electric, Train] - BrickLink Reference Catalog BrickLink - Part x1688c01 : LEGO Electric, Train Motor 9V RC Train with Black Axles and Wheels (x1688 / 3706 / 55423c01) [Electric, Train] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/x1688c01.png)
BrickLink - Part x1688c01 : LEGO Electric, Train Motor 9V RC Train with Black Axles and Wheels (x1688 / 3706 / 55423c01) [Electric, Train] - BrickLink Reference Catalog
![This Old Track: Maintaining and Restoring Metal 9V LEGO Track - BrickNerd - All things LEGO and the LEGO fan community This Old Track: Maintaining and Restoring Metal 9V LEGO Track - BrickNerd - All things LEGO and the LEGO fan community](https://images.squarespace-cdn.com/content/v1/51967abae4b0fe8d0161031f/d7a08f4e-5b0c-4bd0-ae17-196121da97e3/RailContact.png)