What's this wire for? - Blast MS-2930 - always been disconnected

[Arcade-Projects]

What is this orange wire that looks like it should connect from the main board of the chassis on my MS-2930 to the smaller vertical board? I think it's been disconnected the entire time I've owned this cab. It was definitely disconnected in the pictures I took when I first pulled the monitor, and I didn't reconnect it after cleaning. No problems with the video at any point. The chassis had been recapped before I got the cab.

Google translate says the text reads "Be careful of...

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Source: https://www.arcade-projects.com/threads ... ted.28377/