12v power outlet in ZT-T or Rover 75 connie

Hi Guy's and Girls, Have bought myself a electric coolbox and need to install a 12 v power outlet /Cigar lighter. I have a 2004 MG ZT-T a 190 SE, has most of the toys including a twin electrics detachable tow hitch. Just wondered if anyone has done this before and if I could get a little advice as where to take the power feed. If I can do it I may fit one on either side of the load area. I know its not as vital as some of the posts on here, but will say mine has been a superb car having completed over 70 thousand miles in her. Just had the full cambelt service with new water pump, new front discs and pads, new rear shockers (thanks to Best of British to be found on this forum) new springs, two new tyres and an exhaust (looking for a stainless option on my wish list). Drives like a new car. So folks, I hope someone can point me in the right direction. Dont want to have to run a single wire from front to back as I believe all I need is a suitable power cable to patch into and a n earth lead.

Cheers in advance Russ

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