1983 TOMYTRONIC 3D Game with STRANGE FAULT - Trying to FIX

Hi, in this video today I attempt to fix a broken TOMY TRONIC 3D Thundering Turbo game from 1983, looking online it looks like this was the first 3D hardware for home users.
It was sent in by Mike from 1upGamingLimited over on eBay. It has a very strange fault in that every time the accelerator is pressed, it will not move left BUT when the accelerator is not pressed, left works fine??? The right button works perfectly whether or not the accelerator is pressed.
Let's open it up to see what could be causing this.

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Remember that this is just for entertainment and I am not an expert in these repairs. The processes in the video may not be the best way, the correct way or the safest way to fix these things. I do love fault finding and trying to fix broken things, so I hope that comes across in this 'Trying to FIX' series. Many thanks, Vince.

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