I have a short or something that is draining the battery in my 1987 560 SEC. I noticed these two wires connected to the battery and don't know what they are for. The car has an after market radar detector installed in it which might be the culprit.

Can someone tell me if the small black and red wires connected to the battery terminals are supposed to be there? There is also a green wire that comes through the same opening in the firewall as the red and black ones. The green wire runs to the fuse box.

Thanks for your help.

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OBK #55

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Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
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2016 AMG GTS 12,000 miles