further to above - here's some pics of the fire extinguisher system plumbed in ... ( can't get photobucket to work at moment )
https://i.imgsafe.org/383e60365d.jpg
https://i.imgsafe.org/384b4d352b.jpg
https://i.imgsafe.org/384e5da323.jpg
https://i.imgsafe.org/3850b74920.jpg
2 cables fitted ..one in the centre of dash reachable by passenger and driver with or without tonneau fitted ...and second one on exterior of car next to battery cut out switch ...