This is what both of mine were like unfortunately too. One still needs to be repaired but the other is fully working now. Replacing the terminals can be a bit of the pain if you do not have all the materials, tools, etc... another option might be to use a battery pack (4 x AA), similar to this:
https://rover.ebay.com/rover/0/0/0?mpre=...1907069452
From there you would have to wire it into the existing internal witting.
Let me know if that helps of what questions you may have.
https://rover.ebay.com/rover/0/0/0?mpre=...1907069452
From there you would have to wire it into the existing internal witting.
Let me know if that helps of what questions you may have.
![[-]](https://www.blueplastictracks.org/images/collapse.png)