Originally Posted by martysmartie

Which won't help what so ever seen as there will be no ignition etc present, so it woulden't be just a case of getting power to the pump!

Plus it's as easy to make the earth as it is the live, I also would be surpirsed if it diden't blow the fuse or cause a fire as the pump would pull more power than the lights would!

Personally I would not touch the fuel pump wiring at all!

If you have a decent immobiliser then this will inhibit a circuit (Ideally two point immobilation) and then it will be two circuits.

Martin