Hi guys i would like to add cut off fuel pump switch for theft security just in case do you have any ideas where i should look for wire from fuel pump it is something inside? on what color i should place the switch ? any ideas? thank you

 

it depends what time period your van is.
assuming you're in the fuel injected time period, there is an "inertia switch" that serves to cut off fuel flow in a collision. tapping into its wire would be the easiest choice.
most of the books say its usually mounted on the right inside of the firewall, but on an 87 f150 i worked on, it was behind the clutch pedal.

 

Yes i just like to install the switch in to the wire and just hide the switch somewhere, and my van is 2005 ford e-150 5.4L v8,

 

ok, your owners manual should tell you how to find it, or someone here might know.

some vehicles have a sticker "if vehicle will not start, check fuel pump shutoff switch located __________" - if you find this, you should find the switch pretty quick.

 

Thank you i just download the manual and i try to find something about it thank you ill keep you posted thx