How To Repair Electronic Damaged By Emp

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How Do Yor Repair EMP Damage to a modern automobile or calorie-free truck?

• Thread starter Dayton3
• Start engagement Jul xi, 2010

• #1

The subject of EMP (electro magnetic pulse) has come up in several threads.

I've heard that nearly cars and calorie-free trucks (bated from some diesels) manufactured after about 1978 would terminate running do to harm to electronic and electrical arrangement components existence damaged.

If nuclear weapons were detonated at high altitude over the U.Due south. or if some kind of conventionally triggered EMP occurred, how would 1 go about getting a mod automobile or light truck to run again?

What components would accept to be replaced or bypassed?

Havock

Patron Saint of crisp white sheets.

• #2

(Consummate) replacement of the electronics parcel?

• #3

The metal frame would absorb a lot of energy. The radio would however be cooked and that could also damage the battery.

Hard to say.

• #4

The metal frame would absorb a lot of energy. The radio would however be cooked and that could also damage the battery.

Hard to say.

Truthful. Bombardment shouldn't be damaged - it'd take a LOT of energy to cook a massive lead-acid bombardment.

Heavy wires intended for 12V operation should survive, and so yous're looking at replacing the radio and any computers in the car. Some sensors might fry, some might not. Information technology's not well studied.

Havock

Patron Saint of crisp white sheets.

• #v

So what are we waiting for? FOR SCIENCE!

• #6

You accept the ECM, PCM, and maybe the sentry central(digital key) modules would need replaced, a couple sensors, probably CPS and ABS sensors. Virtually other sensors would exist fine.

All-time bet for a vehicle for use later on a EMP is a something powered by a Cummins diesel, the trucks computer would be fried but the engine would merely need the started hot wired to run.(notation this is for a manual manual most transmissions these days are electrically shifted, for an automobile you lot would probably demand a pre-2003 truck, about truck transmissions were still hydraulically shifted back and then)

• #7

You accept the ECM, PCM, and perhaps the sentry key(digital key) modules would need replaced, a couple sensors, probably CPS and ABS sensors. Most other sensors would be fine.

Best bet for a vehicle for use after a EMP is a something powered by a Cummins diesel, the trucks computer would exist fried simply the engine would but need the started hot wired to run.(note this is for a manual transmission most transmissions these days are electrically shifted, for an auto you would probably need a pre-2003 truck, most truck transmissions were nevertheless hydraulically shifted back then)

Then you lot could hotwire start a vehicle with a Cummins diesel with a manual manual?

Why Cummins? (I'chiliad not a mechanic. I do basic maintenance)

• #8

One reason is that almost gasoline engines accept computer controlled fuel injection systems. That means that if an EMP destroys the computer, the machine won't run. Diesels, on the other manus, tend to be much simpler and many are non as reliant on figurer systems to function.

• #9

Ane reason is that virtually gasoline engines have computer controlled fuel injection systems. That means that if an EMP destroys the computer, the car won't run. Diesels, on the other hand, tend to be much simpler and many are not equally reliant on calculator systems to function.

I knew that most gasoline engines have reckoner controlled injection systems.

Is there any way to featherbed that?

Right at present, all I know is that the just affair I could get to work would be my Dad's two Ford tractors (1967 and 1970 models).

Also, what about smaller, simpler gasoline engines like those on lawn tractors and riding lawnmowers?

SuperS4

"Apologize & rejoice. For we are your betters, peon"

• #10

Is in that location any manner to bypass that?

Not unless yous want said engine to accident up(peradventure non physically, simply it wouldn't run all as well well, nor very long).

The computer controls how much fuel gets injected, without it, it either chokes the shit out of the engine, or pours in the fuel and floods it, either fashion, it stalls out. Or worst case, it blows upwards.

• #11

There is no real way to bypass the estimator for the injectors, you would at a minimum need to supercede the CPS and reckoner.

I would right off any car made by 2003 and any SUV/truck made by 2007 they are almost all fly by wire now, your shifter might be linked to the transmission but is only toggling a switch and probably a switch with a integrated IC at that.

A lawn mower is just a simple magneto and a condenser/points setup, information technology has no components that could exist effected by a EMP. Even many motorcycles have a similar setup well into the '90s and many 100-250cc bike have that system today. If a motor bicycle has a boot start it would probably be find.

• #12

True. Bombardment shouldn't be damaged - it'd take a LOT of energy to cook a massive atomic number 82-acid battery.

Heavy wires intended for 12V operation should survive, so you're looking at replacing the radio and any computers in the car. Some sensors might fry, some might not. It's non well studied.

Um...

A practiced hit from an EMP will melt the powerlines off the poles.

Information technology will fuck the radio and whatever wiring upto the battery, likely cooking that also.

• #13

The bailiwick of EMP (electro magnetic pulse) has come up upwardly in several threads.

I've heard that most cars and lite trucks (aside from some diesels) manufactured after about 1978 would finish running practice to damage to electronic and electrical system components being damaged.

If nuclear weapons were detonated at high altitude over the U.S. or if some kind of conventionally triggered EMP occurred, how would one go well-nigh getting a modernistic motorcar or light truck to run over again?

What components would take to be replaced or bypassed?

a while back a test was run where 100 cars were zapped.
of them 2 stopped working and needed minor repairs.
emp is quite dissentious to sure electronics, cars non and then much

• #14

a while back a test was run where 100 cars were zapped.
of them 2 stopped working and needed minor repairs.
emp is quite damaging to certain electronics, cars non and so much

I saw a site (don't remember where) that claimed that a auto is a natural Faraday muzzle and thus is much more resistant to EMP than ofttimes suspected.

I guess unless we accept a couple of ane megaton nuclear explosions occurring at 100,000 anxiety over the fundamental Us nosotros'll never actually know.

Of course, if that happens chances are nosotros'll take greater worries...

• #15

a while dorsum a test was run where 100 cars were zapped.
of them 2 stopped working and needed pocket-size repairs.
emp is quite dissentious to sure electronics, cars non so much

The car body acts every bit a Faraday cage. Information technology's the same principle that protects drivers inside of a motorcar against lightening strikes. There is also the Ovonic Threshold Device, a solid state switch that opens a path to footing when a massive surge of EMP is encountered past a circuit. I don't know why this isn't mandatory for all regime computer.

• #xvi

I saw a site (don't remember where) that claimed that a car is a natural Faraday muzzle and thus is much more than resistant to EMP than often suspected.

I estimate unless nosotros have a couple of one megaton nuclear explosions occurring at 100,000 feet over the cardinal United States we'll never really know.

Of form, if that happens chances are nosotros'll have greater worries...

From what I hear, Islamic republic of iran wants to apply a NEMP on the U.s. since information technology gives the 'most blindside for their buck'. They don't have much in a way of a nuclear armory and using EMP could give them a cheap and easy MAD.

• #17

a while back a test was run where 100 cars were zapped.
of them 2 stopped working and needed minor repairs.
emp is quite damaging to certain electronics, cars non so much

Merely what year and type were the cars? Are we talking barebones trucks from the 60s? or sports cars from the 2000s (Have we decided what to phone call the last decade notwithstanding?)

• #xviii

But what yr and blazon were the cars? Are we talking barebones trucks from the 60s? or sports cars from the 2000s (Have we decided what to call the last decade all the same?)

If they tested 100 cars I would suspect a wide diverseness of models and years tested.

• #19

By the style.

1) What would happen to your laptop computer if it was inside your automobile?

2) I've heard that parts of the cyberspace were designed to survive a nuclear state of war?

So would information technology exist possible that portions of the internet would still exist working after nuclear detonations or conventional EMP bursts?

• #20

The wavelenght is only absorbed with objects (wires and such) over a prepare distance (18inches IIRC). A laptop should be find if it wasn't plugged into anything.

The car body acts as a Faraday cage. It's the same principle that protects drivers within of a car confronting lightening strikes. There is also the Ovonic Threshold Device, a solid land switch that opens a path to ground when a massive surge of EMP is encountered by a circuit. I don't know why this isn't mandatory for all government calculator.

Becaues y'all have many sources of long wires inside a calculator?

• #21

two) I've heard that parts of the internet were designed to survive a nuclear state of war?

Then would information technology be possible that portions of the internet would still exist working later nuclear detonations or conventional EMP bursts?

I tin answer this role. That's an urban legend. The internet grew out of what was ARPANET which was a network betwixt universities. The fact that the net is resistant to damage is a prissy fiddling extra.

And then yes, as long as at that place is a path betwixt y'all and the node you want to talk to then yous can communicate.

• #22

I tin answer this part. That's an urban fable. The internet grew out of what was ARPANET which was a network between universities. The fact that the net is resistant to impairment is a squeamish lilliputian extra.

So aye, as long as there is a path between you and the node you want to talk to then you can communicate.

I still find it interesting that ANY of the internet would exist resistant to EMP harm though.

Seems to me that would be one of the first things an EMP pulse would trash.

Would connections over landlines exist more than vulnerable than wireless connections or vice versa?

• #23

Becaues you accept many sources of long wires inside a computer?

Cover it in metal (Faraday muzzle) and hook the Ovonic Threshold Device to any point that the calculator has an outside connection (phone wire and electric plug).

• #25

I nonetheless find information technology interesting that ANY of the net would be resistant to EMP damage though.

Seems to me that would exist ane of the first things an EMP pulse would trash.

Without power, the Internet won't be working too well. Some components - cobweb optics cables every bit an example - will exist okay. Just you demand a lot of infrastructure between yous & wherever that's operational for the Internet to work.

The best example I can call up of is a major hurricane strike. Ike demolished SE Texas Internet for weeks. Like nigh things infrastructure, the difficulty and time required to get it fixed scales exponentially with how many layers of the system are impacted.

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