fuel pump shutoff switch - Mustang Evolution

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Old 01-02-2013, 08:48 PM   #1
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fuel pump shutoff switch

is it bad to use this as a security measure? like push the button in the night time and pushing it back on in the mornings before work? will doing this everynight harm my car ?
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Old 01-02-2013, 08:53 PM   #2
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is it bad to use this as a security measure? like push the button in the night time and pushing it back on in the mornings before work? will doing this everynight harm my car ?
U talkin about in the trunk? Thought that was just a reset switch
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Old 01-02-2013, 08:57 PM   #3
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Originally Posted by 1996v6stang View Post

U talkin about in the trunk? Thought that was just a reset switch
i never used it but i heard it kills off the fuel so the engine wont start. i didnt know it was just a reset
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Old 01-02-2013, 09:13 PM   #4
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I think it works as both.. its like a kill switch pressed and its a reset when released I could be wrong though
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Old 01-02-2013, 09:20 PM   #5
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it would be nice if i could use this as a security measure i just dont know if it will harm the engine
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Old 01-02-2013, 09:36 PM   #6
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I used to do that everyday when I had a 96 gt cuz somebody stole My keys and I was afraid they were gonna come back and steal the car, and I did that for like 6 months and it didn't hurt anything
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Old 01-02-2013, 09:37 PM   #7
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it would be nice if i could use this as a security measure i just dont know if it will harm the engine
Yeah idk it could be somewhat harmful like space in the fuel lines
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Old 01-03-2013, 12:39 AM   #8
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it'll be fine...the vehicle is shut off during the time you'll have the switch flipped so no worries...i make sure to flip the switch whenever i'm working anything fuel related
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Old 01-03-2013, 04:39 AM   #9
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ok thanks alot guys i appreciate the info ! do i just push the button while the car is off?
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Old 01-03-2013, 09:26 AM   #10
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Isnt this just a button that you press and as soon as you release it re engages right? Or is it a switch? Just seems to me like its just a reset switch, not so much of a switch that turns off and on. I pressed mine once out of curiosity and was still able to turn my car on. Maybe im just confused about this whole thing or it malfunctioned. But i was still able to start my car right up still.
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Old 01-03-2013, 10:00 AM   #11
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I do not know about the earlier models, however on the '99 through '04 the fuel cutoff switch is an inertia switch with a reset (only) button. Pressing the button will do nothing if the switch has not been activated by a jolt--I.e. in a crash.

You can make it activate by banging it with a rubber mallet...
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Old 01-03-2013, 10:33 AM   #12
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If you smack the switch the button will pop up and that is shut off, like cliffy said its a inertia switch, so if you wreck and it jars the switch it shuts off fuel, then you push it down to re set it
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Old 01-03-2013, 12:43 PM   #13
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Behind the switch there's a slot thats big enough for a flat head screwdriver than can go in and u can pop the switch back up
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Old 01-03-2013, 12:45 PM   #14
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Quote:
Originally Posted by cliffyk View Post
I do not know about the earlier models, however on the '99 through '04 the fuel cutoff switch is an inertia switch with a reset (only) button. Pressing the button will do nothing if the switch has not been activated by a jolt--I.e. in a crash.

You can make it activate by banging it with a rubber mallet...
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Old 01-03-2013, 01:13 PM   #15
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Originally Posted by schmitty426 View Post
Behind the switch there's a slot thats big enough for a flat head screwdriver than can go in and u can pop the switch back up
I had forgotten about that; there are slots in the button shroud, on two sides, through which the button can be "popped" with an appropriate tool...

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