Remote Wireless Battery Kill Disconnect Switch Explained and How To Use It or Not

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Here is a popular Wireless kill switch selling online everywhere, but it's clearly not for every year,make and model ...because as a battery shut off, it kills All power, so anything that needs electricity to keep a memory of a clock, seat adjustment, mirror adjustment or radio stations will be blank and cleared including maybe things stored in the cars computer.. But it can be used and wired to kill something else to deter theft..
like cutting off the fuel pump, starter solenoid power wire, neutral safety switch, the possibility is endless, just have to use your knowledge of Vehicle wiring...
as for using it on an older car with no electronics, it should be good, but I would use it to kill other things that I have noted instead of the battery cable..I wouldn't trust that relay to run all the time when engaged and to hold a load for a long time...
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and for those that want a hidden kill switch watch this video
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I ordered one of these remote battery disconnect devices.
All of these devices have a standby current draw so they still can deplete your battery if left parked for some time.

Since I don't drive this old pickup very often. I will install a on/off switch (call it the master power switch) wired in series on the red wire.
That way when the master power is in the off position the battery is completely disconnect and the remote doesn't do a thing. Now I can let the old pickup sit for months before it needs to be started..

The beauty of this master power switch (I will mount it inside the cab) is it has a built-in LED indicator. I have a visual reminder to flip the switch when I'm done driving it.
It is easy to operate, hop in the cab, flip the switch to the on position, then press the remote on button. The LED indicator will turn on telling me I can start the truck

danblankenship
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I put in my 2016 Kia due to so many Kia thefts in St. Louis. A few things to consider when putting this in are you will have to reset your clock, reprogram the radio, and is causing the emissions sensors to be undetected until you drive it for about a week. Doesn't bother me and I know my car will be in the driveway when I get up in the morning. 😊

jcc
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another way this could work, is put it inline with the solenoid starter wire / or fuel pump circuit, so that way you're not completely disconnecting the battery but just the circuit which would enable the starter solenoid or fuel pump to engage. All depends if you have a parasitic drain, but that would need to be address first instead of using something like which fully disconnects the power.

fivetenfinn
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Can you keep an alarm still powered by the battery and everything else connected to the relay?
If thieves get into your car, then they can pop the hood and they’ll see this. If they have a wrench, they can just reconnect the main wire, right?
Looking for a way to keep them out, and all hood locks seem to be made for jeeps

hdc
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i think i would hide that relay and run another neg cable going to it. idk if i'm doing it though, my 66 barracuda has a retrosound radio...i will have to figure out if i can power the clock separately

brkooduh
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How about install only starter solenoid wire? Can you show ?

samueldoe
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So how far is the distance you can use to remove switch say someone drove off in your car you are at the gas station would it matter how close the car got to be or does the distance doesn't matter he could be 5 Mi away and you still can shut it off

kevinthomas
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clever little device these isolators and yes you are so correct it is shunting a lot of power.. for a little Relay.. im gonna buy one soon

simonjandrell
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How can you go by hooking up this system on 2017 Chevy Silverado ls besides the battery makes no sense easy access for thief’s

Jrgreencoast
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Will it reset your computer?And will you have to reset all your settings?Every time

marktaylor
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Thanks. I was thinking about putting one in my car.

MrBadbus
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Probably find that most car alarms/immobilisers will still operate due to them having their own source of power, yes all other systems will lose their power, so all presets etc will be lost, also most of these have a accidental cut off so you can’t kill the battery whilst it’s maintaining a certain level of power going threw them. Most are set to not operate when power is more than 13v which is especially there to stop accidental cut off whilst driving

northeast
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Not bad overall only point of contention I have is that it is in fact a relay, ...

"Relays are ELECTRICALLY operated switches that open and close the circuits by receiving ELECTRICAL signals from outside sources."

IOW: All relays are switches, but not all switches are relays. Caveat of "Being Electrically Operated" is the difference. If it's a switch that controls another circuit indirectly, it's a relay. (It relays the switch to another switch if you can parse that to make sense).

Wranorn
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Ive got a new Hyundai Veloster, 6-Speed Manual Transmission...it doesnt need a battery isolated relay, hell it doesnt even need a battery; you can take the cars battery out and throw it in the trash and still drive it without. Just dump the clutch to start and your good to go...definitely wouldn't recommend doing it tho l, as it does tend to have negative effects on the vehicle after driving without a battery in it for awhile 😅 i would definitely consider investing in one of these tho, but only to wire it up to a fuel pump or something like that. I would imagine it would get very old constantly reprogramming my radio presets and time. This thing is definitely useless in a car with a manual transmission tho if you wire it up as intended

bpp
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If the relay opens while you are driving you will not see any difference. The alternator is the power source when the engine is running. The battery has one function, it is there to start the car. You can start your vehicle and then remove the battery without any issues.
The alternator will create enough energy to operate all electrical needs with enough extra power to recharge the battery to replace the energy used to start your engine.
If you open the relay after the car is running the only thing that has been interrupted is the ability for the alternator to fully recharge the battery. Eventually the battery will be depleted to the point that it will not have enough energy to start your car.
If your vehicle turns off when the relay opens then you have a bad alternator. If you don't repair this problem then you will end up harming your battery too.

danblankenship
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Random but my son would want to play with that car😅. Hmmm never looked into these kind of remotes before!

Texas_Made_
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Hi mate it is designed that if the car is running and you press the off button nothing will happen. The car will still run .

nikao
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It's designed to bypass the remote when the car is running, so you cant turn it off when the car has been started.

OldBiker
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These kill switches are designed to not shut the car off when your driving! GET YOUR FACTS STRAIGHT

colbolt
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Ty for the video. I purchased one for my 94 chevy. Thinking about using it as an ignition or fuel kill switch

roberts.