Kill switch install from 41.22

[SargeDiesel]

If switch is off, Jeep won’t start period, so no remote start will not work. FWIW, I have deleted my aux battery.

So are you saying if you install the 41.22 you loose Remote Start ?
If so
That's one advantage of the cheaper toggle switch tapped into the push button. Remote Start still works.

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[SargeDiesel]

After reading many threads of folks here having their rigs stolen, it’s pretty appalling how easy it is to steal a Jeep. Found a reply that recommended the 41.22 kill switch and recently received mine.

Some folks on that thread asked I post my experience

Finally got it installed today - super simple and took about 45 minutes to make it tidy. Run a wire through the hole in the firewall, hook up a ground wire to the body, mount the control box and replace the relay. Adding a picture below so you can see a few of the details.

switch works as advertised.

Yes, I know this too can be defeated by a pro, but I’ll wager most doing this are not pros and anything that makes it harder is a good thing.

check it out at https://41twentytwo.com/product/vehicle-kill-switch/

Your pic shows the relay and a Control Junction Box.

But when looking at the website, it looks like there are more wires involved. So there seems to be a little more to it than running a wire into the cab ?

Could you possibly give a little more detail or is it just that simple ?

Thanks for the write up. It's a hot topic. I'm looking at the 41.22, but I'm not sure I want to loose remote start.

 

[RudeJeepin]

It's a hot topic. I'm looking at the 41.22, but I'm not sure I want to loose remote start.

Not sure about you but...

I don't use my remote start very often, other than at home in the mornings.

I would only use a kill switch when not at home.

So for me, atleast, it wouldn't be much of an issue.


One nice thing about this kit, is if it were to fail, all you'd need to do is pull their relay and replace it with the original relay. Then you'd be off and running again.

 

[OldSarge]

So are you saying if you install the 41.22 you loose Remote Start ?
If so
That's one advantage of the cheaper toggle switch tapped into the push button. Remote Start still works.

I'm saying the kill switch doesn't allow the JT to start. Therefore if you have the kill switch "on" you can't start the vehicle either remote or with the push button. If the kill switch is "off" everything works as usual.

 

[OldSarge]

Your pic shows the relay and a Control Junction Box.

But when looking at the website, it looks like there are more wires involved. So there seems to be a little more to it than running a wire into the cab ?

Could you possibly give a little more detail or is it just that simple ?

Thanks for the write up. It's a hot topic. I'm looking at the 41.22, but I'm not sure I want to loose remote start.

It really is that simple. There is one ground wire - the red connector - connect that to the body. There is the relay, plug it in. There is one wire that runs to wherever you mount the kill switch (in the cab for my case). You connect the kill switch to the wire with included connectors. Done. Super simple.

Here' s a youtube video:

Here's an instagram post of mine:

 

[LostWoods]

This effectively just adds a switch to the starter relay signal circuit. It doesn't disable the truck, it disables the starter via the computer system which can be circumvented with 3 seconds and a screwdriver from the outside of the truck. You can still get into the truck and turn it on with a relay attack it just won't turn over by conventional means.

It may prevent casual theft but a Faraday sleeve for your fob is far more effective at stopping the root issue without the downsides.

 

[SargeDiesel]

Not sure about you but...

I don't use my remote start very often, other than at home in the mornings.

I would only use a kill switch when not at home.

So for me, atleast, it wouldn't be much of an issue.


One nice thing about this kit, is if it were to fail, all you'd need to do is pull their relay and replace it with the original relay. Then you'd be off and running again.

I've had remote start in my last 3 vehicles. So I guess I'm kinda spoiled. I use it almost every start. Part of that is because I have a JTRD and I like to get it good and warmed up before I drive away.

I definitely see your point and agree it would be easy to adjust my habits if I decided to go with the 41.22.

If I spent the money and effort to install the "switch" of any kind, I would engage it every time I left the vehicle, regardless of location.

Still researching though... so to be continued.

 

[OldSarge]

This effectively just adds a switch to the starter relay signal circuit. It doesn't disable the truck, it disables the starter via the computer system which can be circumvented with 3 seconds and a screwdriver from the outside of the truck. You can still get into the truck and turn it on with a relay attack it just won't turn over by conventional means.

It may prevent casual theft but a Faraday sleeve for your fob is far more effective at stopping the root issue without the downsides.

I agree with everything but the faraday sleeve. The Jeep has a critical vulnerability allowing it to be stolen without key cloning. I’m happy with the kill switch as a little extra protection

 

[LostWoods]

I agree with everything but the faraday sleeve. The Jeep has a critical vulnerability allowing it to be stolen without key cloning. I’m happy with the kill switch as a little extra protection

I mean, duped keys and relay attacks are the #1 method and flatbed/wrecker is the #2 for modern vehicles. As someone who does cybersecurity for a living I'm curious what this critical vulnerability is.

You do what you want that makes you feel better but that's pretty much the definition of snake oil. Things like kill switches are a relic of an era where stealing a car was as easy as connecting a few wires.

 

[OldSarge]

I mean, duped keys and relay attacks are the #1 method and flatbed/wrecker is the #2 for modern vehicles. As someone who does cybersecurity for a living I'm curious what this critical vulnerability is.

You do what you want that makes you feel better but that's pretty much the definition of snake oil. Things like kill switches are a relic of an era where stealing a car was as easy as connecting a few wires.

Yeah I know a bit about cyber too. Its all about layering defenses. Same with the switch.

 

[ShadowsPapa]

This effectively just adds a switch to the starter relay signal circuit. It doesn't disable the truck, it disables the starter via the computer system which can be circumvented with 3 seconds and a screwdriver from the outside of the truck. You can still get into the truck and turn it on with a relay attack it just won't turn over by conventional means.

It may prevent casual theft but a Faraday sleeve for your fob is far more effective at stopping the root issue without the downsides.

You mean the starter on the left side above the cat converter? Something like a screwdriver across terminals like we've done for half a century or more?

So how accessible is the starter from underneath? I've not paid attention to where the solenoid terminals are, I know the starter is above the left side front cat (so don't try this if the beast has been running recently) but how easy is it to make contact? Never tried that.

Things like kill switches are a relic of an era where stealing a car was as easy as connecting a few wires.

gets back to - anyone with access to the engine bay can get these running even with "kill switches".

LAYERS - lock the hood.

I guess my time in IT/security with PFG and government has me thinking like a crook - and people back then asked how I was able to put our agency at the very top as far as passing every single intrusion test.......... my response? Don't fire me for this but thinking like the criminal helps - what would I do if I was them? And - how do people act, psychology. (many computer users are basically lazy, in other words)

 

[Maximus Gladius]

Wouldn’t the horn go off if they tried something like like?

 

[Maximus Gladius]

It’s a tough call for me. I think if they stole my vehicle, I’d be better off with it written off and if they knew what they stole, they’d never steal again.

 

[Aj58]

Wouldn’t the horn go off if they tried something like like?

With the JT they can just snip the cable to the horn effectively muting it.

 

[SargeDiesel]

Wouldn’t the horn go off if they tried something like like?

Hell ... haven't you ever heard a car alarm go off while you were at restaurant eating or while visiting a friend's apartment... yeah, I ignored it too. Just like everyone else. People don't pay attention to horns anymore. Exception - if it's my horn.

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