Oh ok, thanks for your commentsAh I see, we had to splice another into an existing Cable as a bodge once, can't remember what baler it was but it needed a plug for the control box and another for the baler.
You can buy one that plugs into lighter socket I think.
Sorry not much help!
You mean this?
New COBO type Double 3 pin 12v Female Power Socket adaptor with Led power light. If we can avoid these we will try.www.ebay.co.uk
Be cheaper to make one though