cheap anti theft device.

[95talontsi]

I finally got my fuel pump sorted out, the relay at the fuel pump is going to be triggered by a wire 12v coming from an accesory like the gauges, which turn on when ever the key on second click and running. that wire is going to have a hidden switch in it so no one can steal my car. Best thing about this set up is if I'm in a hurry and forget to turn off the switch the keys out of the ingition cuts the fuel pump off anyway.

 

[larryd]

good idea.

 

[Tallen]

i have a similar setup...hidden switch on one of the ignition wires. happened upon this by accident when i first got the car, i was messin around there and the car woudlnt start. so i took another peek and that wire came unspliced (used to ahve a security system). so a light bulb lit up in my head like in the cartoons...yea thats alot more info that was needed.

 

[Mitsu_Racing]

I have a switch hooked up to my fuel pump. Works great.

 

[nightspeed87]

Theres been a lot of ppl getting there cars broken into and stolen around here in Tampa, and one just happened today at my job in broad day light, and another in a neighborhood in my city near my neighborhood where a friend got his hooked up honda accord stolen from his driveway while he was sleep and found on a highway 40miles away stripped naked, and I dont have a alarm or anything only tinted windows so I want to make some extra secruity for my car until I get money to get an alarm, and I already have tooo much money invested in my car and ill be damned if it gets stolen and ripped apart and endin up in some chop shop for parts... Therefore I thought about a fuel pump cut off switch to where when the switch is up the fuel pump is normal, but when its down (closed) then its cut off, and Ill have the switch hidden somewhere in the car where only Id know about ( not in an obvious place ) therefore if worse was to happen at least a theif wouldnt be able to drive off with my car ( well maybe hed get like 50 feet away or less on a shut off fuel pump )

( Reason Im not into the battery kill switch is because it resets the ecu everytime you do that and I hate how my
car idles like its about to shut off everytime I do that... )


I was just going to tap into the power wire for the fuel pump, ( isnt that the one used for the fuel pump rewire mod? )
Any opinions, experience, or tips on doing this, thanks....

 

[exile]

A few of my friends remove their ignition switch fuse whenever we park far away, or if we park in the city, or go to a ball game or something.

I really can't think of anything wrong with your fuel pump idea besides the fuel still left in the lines or rail.

It would be a little more work but you could run a wire (2 conductor) to your fuse box and splice into one leg of the ignition fuse (if you look inside the bottom of the box there's wires for the fuses) and install your switch in the cabin. That would just disable your ignition switch extremely close to the source so there's nothing they can really do to bypass it inside of the car.

But that's just an alternative to them getting 50 feet on you. Ideally you don't want them getting anywhere. PM me if you have any electrical questions I can help you out.

I was just going to tap into the power wire for the fuel pump, ( isnt that the one used for the fuel pump rewire mod? )

Yeah, basically. There's several places along the circuit you can toggle and it'll yeild the same results.

 

[exile]

Hehe.. and you can get really technical and reroute that 8-12v into an LED to remind you somewhere on your dash that you have your fuel pump disabled. =)

 

[nightspeed87]

yea that sounds like a nice idea.... I was thinking of putting it on a toggle switch ( the kind that looks like an airplane jet fighter switch that can be found at auto stores ) and putting the switch under the seat (idont want the switch easy tripped or opened while im driving)
The ignition switch idea sounds harder to do, im hearing i can just run the fuel pump switch to a ground wire from the fuel pump and that would shut it off also... Does anyone know the wiring schematics or where I can find it for the fuel pump to see if theres a closer place I can splice in other than the one running under the car? Like maybes theres a place inside the car I can splice, )

(Oh and I had took out the fuel pump power today to see what happened if I tried to crank it with no power to the fuel pump and it didnt even crank, and now i recall when I put my 190 in the first few cranks it wouldnt crank ... So i dont thnk theyll get anywhere.)

Also, I accidentally made two threads about this at the same time because for some reason ( i dont know if this is happining to anyone else also ) but the forums keep freezing up and everyday i come to check on it, its on the same thread by the same person and its not moving, and when i post a thread i dont even see it, or non of my post, so i dont know whats going on....

 

[dave99gst]

ive done this on almost every car ive owned.
Ya just pick either ther + or - wire going to the fuel pump and put a switch inline.

As far as location.. put the switch is a place that isnt easly reachable from the
drivers seat. under the dash , glove box etc are bad hiding places.
(unless your very creative)

I also had a LED to let me know weather or not my switch was on or off.
The LED was in my a-pillar.

 

[wret]

You could also use the starter/clutch switch. Not so much amperage to deal with.

 

[nightspeed87]

thanks for all the ideas guys, and the led idea is also good i think i will do that... Like i said im thinking of putting it under the seat just far enough for my hand to reach it, or im putting it behind the center console bolted to the fire wall but high up enough you cant see it....

 

[EclipseTrbo420A]

ive done this on almost every car ive owned.
Ya just pick either ther + or - wire going to the fuel pump and put a switch inline.

As far as location.. put the switch is a place that isnt easly reachable from the
drivers seat. under the dash , glove box etc are bad hiding places.
(unless your very creative)

I also had a LED to let me know weather or not my switch was on or off.
The LED was in my a-pillar.

What switch do you use and can it handle everything well?

 

[jepherz]

Rewire your fuel pump, and run the ground that trips the relay up to the dash area. This way you don't have to run another wire all the way to the rear again, as you can just ground up by the switch. Also, you don't have to worry about if the wire shorts out, because if it does it just means your switch won't be working any more.

 

[exile]

Does anyone know the wiring schematics or where I can find it for the fuel pump to see if theres a closer place I can splice in other than the one running under the car? Like maybes theres a place inside the car I can splice, )

There sure is bro, the wires are for sure under your stereo and run under the passenger seat to the fuel pump in a large bundle with some other wires. It would be easier for you to run your wires through the trim around the bottom-inside of the door (it's hollow) and run it under the seat directly to the pump itself (just like a rewire if you haven't already did it) And it's also not a bad idea to do the rewire while you're at it.

 

[GVR4592]

Pulling the fuse won't work with a good thief. Honda's are the most commonly stolen vehicle in my area. Most Honda owners were pulling their main relays or fuses(easy to do on a Honda) when they parked, then the thieves started carrying main relay's and fuses. Thieves are smarter than most people think, and if you can think of a way to trick them, they've already experienced it and have a way around it.

The best way to do it is with multiple switches and a complex alarm system. I have multiple switches on my car and I am pretty confident that a thief could never find all of them in time to steal my car.

I use one if I'm going to be gone for a minute or less. I use two if it's going to be longer. There's more to it than that but I'm not going into detail. Be creative when choosing a location for the switch.

Make sure it's easy to reach, if somebody see's you leaning over to the passenger side of the car or reaching under your seat to start the car, they will know somethings up. I've seen some people use some of the factory switches in the dash, that works most times, but some thieves know it. And don't tell ANYBODY where the switch is, I mean you tell your wife of course if your married, but nobody else.

Another thing to think about is where you park your car. At night make sure there's good lighting and it's visible from the window's in your house. Don't EVER leave your car running unattended. A lot of people will start their cars in the morning and go back inside while it warms up. That is probably the most common way to get a car stolen.

This might sound paranoid but watch for people following you. Most thieves don't just randomly steal a car(unless they're crackheads), they will pick a car and take it right there or wait until they have more time. A lot of thieves will follow you home and then come back when you're sleeping and take your car or stereo or whatever. This might sound stupid, but I don't lock my car. That saves me a broken window, if a thief wants in, they're getting in regardless of the doors being locked.

I have my cd player, speakers, AEM all bolted in using different screw heads(torx, allen, square,one way heads, etc) for every screw. They would have to be carrying a complete tool set and some specialty tools to remove anything. About the only thing easily removed in my car is the gauges. I haven't figured that one out yet.

If a thief wants your car bad enough there's really nothing you can do, but most thieves are lazy and the smallest thing(killswitch) will deter most of them. So just be careful, be creative, pay attention to what's going on around you, and don't tell anybody where the switch is.

Good luck.

 

[Nighthawk01]

I agree, i also have multiple switches and a certain series you have to go through to even start the car, my own wife doesn't even know!! (mostly just because she cant drive standard and doesn't care)
My only wish is that if someone ever tries to steal my car, they give up before i make it out there with the 40 and 10 round clip, i don't wanna go to jail!

 

[Wpgdsm]

The fuel pump kill switch is a good idea. Make sure you use a good qualitey switch able to handle a heavey load. The last thng you want is to be out of town and have the switch burn out. A good imobiliser works well also. We get them for free in Winnipeg, and get money off you're insurence, because these companys say that your car cannot be started with one of these instaled without your key. If all else fails just start taking your plug wires with you when you park.

 

[GVR4592]

My only wish is that if someone ever trys to steel my car, they give up before i make it out there with the 40 and 10 round clip, i dont wanna go to jail!

My thoughts exactly. If I catch somebody in my car, I wouldn't be calling the police.

 

[exile]

...Honestly the fuel pump switch is more than enough.. these are DSM's we're talking about.. not Porsches.

 

[babiebluboi]

So let me clarify how to connect a switch to the fuel pump...you simply put a switch in between either the + or -? Is it that simple?

How do you connect an LED to this whole thing? Like where would you wire it to, and do I need resistors? If so, how many ohms?

 

[turboglenn]

I've been doing this for years on my cars, even ones with alarms still get a fuel cut off relay. I splice the relay into the power wire, then use the switch to trigger the relay. Hide the switch some where nice or use one of the switches already in your car. For instance, i made my friends truck to where you had to pull the parking light knob for there to be any power from the ignition to the starter relay. So basically, when you pull the lights to "parK" it engages the relay that cuts the wire to engage the starter. I didn't want to put it on anything that needed a current draw that large just to engage the starter because i didn't want the trigger to be pulling that much juice from the battery. but the idea actually came from a Toyota truck i had for work once and it used that same idea, and the friend who i did this for didn't want to add a switch and liked the light idea so we went with it.

i did another one where i used the antenna trigger from an aftermarket radio to turn it on. This way you had to put it on radio for the antenna wire to trigger the relay allowing the starter to be engaged. The thought/hope behind this was if the guy did figure it out, when the radio came on it would attract attention since he was worried mainly about the car in his driveway at night and didn't have an alarm. Plus we used the antenna instead of the "remote" wire because he never listened to the radio, it was always CD's so this way he didn't have to think about remebering to set the "kill switch" when parking it.

Kills for the starter instead of the fuel pump are nice because if they get bumped the motor doesn't shut down, you just have to flip the switch (or whatever trigger you use) to re-start it if you turn it off.

I've got several more tricks that i use on my personal car, but i won't disclose them in public since they've worked 100% so far

 

[Boosted98gsx]

Guys, if someone is going to be stealing your car, they're not going to be driving it away. They're going to be towing it away.

 

[turboglenn]

Guys, if someone is going to be stealing your car, they're not going to be driving it away. They're going to be towing it away.

Well, if they really want your car they will get it either way. But most thieves don't' show up with tow trucks as thats too slow and leaves more chance of getting caught. The also won't mess with the car too long in one shot either because their chances of getting caught increase every extra minute they're in there messing with chipping the columns, bypassing starter disables and whatever else they have to do. A fuel pump cut is a good defense, but nothings 100% because thieves can get more resourceful than you would think.

 

[sniver]

Guys, if someone is going to be stealing your car, they're not going to be driving it away. They're going to be towing it away.

That could be one of the best things involving any dsm unreliability! That and not buying 93 oct going up to $4+/gal