DIY Fuel Kill Switch

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Old Jul 16, 2003
  #31  
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Well this is the whole point of this diy ..... putting a switch for the ignition wire would be cool but that can easily be bypassed. How many thiefs would actually take the time to hot wire the car (thus bypassing your ignition switch) then actually look for a fuel cut off switch which can be placed anywhere in the car and must be switched on in order for the car to start ..... no fuel no go.
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Old Jul 16, 2003
  #32  
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This is great, I wanna do it for my car, but I don't know where to put the switch. Also, is there a way to have it turn off, every time you turn the car off? This way you don't forget to flip it off, and you only have to turn it on when you wanna drive away... half the effort, since you only have to flip it once. I don't know much about electronics and such, so let me know if that's possible.
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Old Jul 28, 2003
  #33  
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Last edited by khmaitiger; Dec 14, 2003 at 07:21 AM.
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Old Jul 28, 2003
  #34  
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Uhm... first off... I think the Honda engineers would design a better anti-theft device than this 5-dollar-2-wire kill switch method. If you don't have the right key, fuel won't get to the engine...period. It's the same concept, but a much higher tech way of doing it. I could see how this could be a layer of extra protection, but don't downplay the significance of the immobilizer system.
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Old Jul 29, 2003
  #35  
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i kinda read thru this kinda fast, and im a lil confused. if u flip the kill switch after u turn off ur car, evn if sumone jacks ur keys they wont be able to drive off in ur car. but if they try to turn the key in the ignition itz bad for the car, but i guess having messed up car is better than having no car. sounds kinda interesting tho, i guess just for kicks, kinda sumthin that u wud show off more than u wud use for practical reason, like remote engine start.
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Old Aug 2, 2003
  #36  
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removal of rear seat

i have a 2002 lx and couldnt find the bolt to remove the rear seat...i have the 30/60 fold down seats..i dont know if that matters, please excuse my "newbie-ness". if you could help me out with a how-to for removing the seat..i would appreciate it. i am looking to put in a kill switch...
thanks!
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Old Dec 14, 2003
  #37  
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Can this be done with a 95 gsr integra?? where is the fuel line wire located in the 95 integra? thanks
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Old Dec 14, 2003
  #38  
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anyone know?
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Old Dec 14, 2003
  #39  
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Originally posted by hankscorpio
One question, when your car dies due to the switch being off, is that gonna be bad for the car at all? I mean is it like when your tank runs out of gas, cause if that happens that generally isn't very good. I mean of course its better for this to happen than your car to be stolen, but to just test it out and stuff, i don't know if i would want to.
just to clarify something... your correct, when your car runs out of gas it is not good... but the only reason is because your car is picking up the sediment from the bottom of the gas tank ( causing filters and injectors to clog). when the fuel supply is shut off you dont incour such problems... so this is a safe DIY provided that you use switches rated at enough amperage to safely carry the electrical load of the fuel pump
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Old Dec 15, 2003
  #40  
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get them pictures up yet?
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Old Dec 16, 2003
  #41  
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I thought all 7th gen civics came with the immobilizer theft deterrent key. It should be a computer coded chip in the black part of your key. The ecu looks for a match with the chip, and will not enable the car to start unless the code is verified. That's why those damn keys are so expensive to get a duplicate at the dealer.

Anyone trying to steal you car would have to have access to a dealership and know your VIN number.

I really don't think you need to do this,...just my 2 cents.

Tom
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Old Dec 16, 2003
  #42  
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Yea...but as everyone knows; a theft will do anything in their will to get what they want. And as posted in the last page, (forgot who said) a theft just hammered in a screwdriver into the ignition and jacked his car. This can be an added security...either way I already did it. haha
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Old Dec 16, 2003
  #43  
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Can't they just call a towing company and tow your focking car away? It's so damn easy too....just put the hooks under your wheels and away goes your car to a far away land.
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Old Dec 16, 2003
  #44  
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There is no way you would be able to start a 7th gen civic without the chip coded key, unless the thief has some special ECU to replace the stock, or some very special equipment..which IMHO is very unlikely. If you noticed, there isn't even a distributor on the engine. the spark control is from a crank sensor and the ECU. ...the screwdriver and hammer will just break the steering lock. The person who got the car jacked may have an earlier model honda without the immobilizer.

I would think twice before you start clipping wires...especially a wire to the fuel relay. There's resistance values that are calculated with computer electronics, and when you start adding switches and different gage/material wires, it DOES change the resistance going thru the circuit. The engine management system on a 7th gen is open loop like most modern cars where it looks at feedback from various sensors and adjusts accordingly. Doing something like this may throw off calculations to and from the ECU.

Kudos to all who have successfully installed this cut-off switch, but you have just lost a bit of reliability in that you added another source for future possible failure. I'm not about to add cheap wires and a switch made in china to control my fuel relay...sorry.

If they want your car, they will take it with a gun or what the last post said...they will just tow it away like they did with my buddy's RX-7.

I'm not flaming anyone. Just a thought for those thinking about installing this.

T
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Old Dec 16, 2003
  #45  
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A friend of mine has done this to my car. It works great and to me is just an extra way of security. Sometimes when i hit the switch and i come back to my car, i forget to hit the switch again. I love it
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Old Dec 16, 2003
  #46  
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Originally posted by tom0826
There is no way you would be able to start a 7th gen civic without the chip coded key, unless the thief has some special ECU to replace the stock, or some very special equipment..which IMHO is very unlikely. If you noticed, there isn't even a distributor on the engine. the spark control is from a crank sensor and the ECU. ...the screwdriver and hammer will just break the steering lock. The person who got the car jacked may have an earlier model honda without the immobilizer.

I would think twice before you start clipping wires...especially a wire to the fuel relay. There's resistance values that are calculated with computer electronics, and when you start adding switches and different gage/material wires, it DOES change the resistance going thru the circuit. The engine management system on a 7th gen is open loop like most modern cars where it looks at feedback from various sensors and adjusts accordingly. Doing something like this may throw off calculations to and from the ECU.

Kudos to all who have successfully installed this cut-off switch, but you have just lost a bit of reliability in that you added another source for future possible failure. I'm not about to add cheap wires and a switch made in china to control my fuel relay...sorry.

If they want your car, they will take it with a gun or what the last post said...they will just tow it away like they did with my buddy's RX-7.

I'm not flaming anyone. Just a thought for those thinking about installing this.

T
Well then is it possible to just reset the ECU? I dunno alot about electric but everything seems legit. Im using wires just like the ones that came with the car...and a switch is just a switch...on and off.
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Old Dec 17, 2003
  #47  
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Originally posted by Dr5D
is it difficult to remove the back seat???
4 bolts and its up
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Old Dec 17, 2003
  #48  
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^^^hmm... 2001 coupe is only one bolt under and between the upper rear and bench seats.
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Old Dec 17, 2003
  #49  
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i thought we were talkin the whole back seat, for the bottom yes its one 10mm bolt, but there are 3 10mm bolts holding the seat backs in place
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Old Dec 19, 2003
  #50  
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does this work with a 95gsr? comon peeps.. answer mah question if ya know.... thanks
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Old Dec 19, 2003
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^^^Of course it works! You just have to figure out where the fuel wire thingy is.
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Old Dec 20, 2003
  #52  
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^^^^....hmm, any1 know where it is?? i dnt.
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Old Dec 20, 2003
  #53  
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I don't either...try asking some ppl on the integra forums. Or...just a wild crazy guess, try under the benches just like the 7thgens.
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Old Dec 21, 2003
  #54  
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u dont even have to take the seat off, u just have to pull it up in the front and prop it up by putting one of the front seats all the way back.... thats what i did, worked for me...
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Old Oct 6, 2004
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works like a charm
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Old Oct 6, 2004
  #56  
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Got old thread?
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Old Oct 6, 2004
  #57  
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yup.. bump to an old thread.. it took me 15 minutes to find this dang thread so i thought why not bump it up a little for anyone else looking to do something like this..
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Old Oct 7, 2004
  #58  
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gREAt DIY..... IF YOUR WORRIED ABOUT YOUR CAR BEING TOWED AWAY. CUT THE HOOKS, OR PUT YOUR CAR ON BAGS..AND LAY FRAME <--- (TRY TOWIN IT THEN)
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Old Oct 8, 2004
  #59  
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Originally Posted by xian
Very nice and simple DIY!!! I might do this and forget about an alarm system.
your civic probably isn't going to get stolen so much is it will be broken into / vandelized. but if you dont got too much ICE your probably not too worried
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