Installing a Truck Inverter
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- Опубликовано: 1 окт 2024
- Step-by-step installation of this $99 inverter on my truck, making it possible to plug in AC battery chargers and tools. Truck becomes like a generator.
➠ Video on installing the isolator: • Two Battery SetUp Usin...
✯ 220 inverter, which is not typical in North America: amzn.to/2wiViUm
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Here's a video on how the isolator between the two batteries is wired: ruclips.net/video/UdxaZR4GbVA/видео.html
I like that crimping trick with a screwdriver. Always learning things from you. Thanks!
haha ... thanks, man!
That crimping trick might end up kicking him later.. there's a reason crimp tools have a 'V' shape on Both sides.
Chris W Same idea using two triangular files then. Still saves buying a crimping tool for a single job.
That sounds like it would work well
They say, give a competent man a tool and he can find a 1000 uses for it.
As someone who knows nothing about this kinda stuff, I can't thank you enough for that simple diagram. You're awesome.
Oh great! You’re gonna love having it hooked up
One major thing needs saying. A Certain manufacturer,on Amazon, was describing their 2 gauge wiring as #2 AWG wire. American Wire Gauge is a TECHNICAL STANDARD stating current and voltage handling characteristics. When checked,the wire was ultra-light and questionable as "copper". When checked,the wire was magnetically attracted. It was arc-sprayed cast iron wire with a copper coating. ALWAYS use wire supplied by a standard manufacturer,rather than depending on junk jumper cables for constant power transfer. Welding cable is best !!
Wow, crazy story! Thanks for the tips
There are some good jumper cables out there I have one I don't want to cut, there is also another trend of 10 pounds of insulation on a 20 gauge wire they were free.
Yes! For the best quality and price for cable, source it from a welding supplier. Even Harbor Freight (U.S.) or Princess Auto (Canada) welding cable by the foot is a better gamble than recycled booster cables. Size the wire as large as you can tolerate for DC current and keep the runs as short as possible. Never exceed 10 feet per run.
@@chrisgraham2904 10 ft? If you never exceed 10ft per run than no car amplifiers could ever be installed in trunks etc. As this is common practice what is your reasoning?
@@donalddluckerii3147 For every inverter manufacturer that I investigated, somewhere in their fine print they state that the wire length between the battery and the inverter must not exceed 10 ft. The inverter warranty is void if that length is exceeded, so I assume that this is their legal liability issue. Many people do exceed that limit when installing on pick-up trucks, etc. and seem to have little issues. Don't skimp on wire size and oversize beyond recommended where ever possible. Solar panel manufacturers and retailers are also a good resource for expert advise on inverter installations.
I believe I would have come through the floor of bed already one hole their
Richard Galvin good point! I think I was trying to avoid water intrusion
Price of copper strand welding cable is ridiculous, I used jumper cables too for my project!
Instead of crimping like that, get a propane/map gas torch, put the eyelets in your vice so the cup is upward, sweat some solder down into the cup, and then push the stranded wire in the cup and let cool. Presto, no crimping and solid connection.
Oh dang, I like the sound of that. A nice soldered connection is always the best. T'hanks for the tip!
Wait. This is a 2kW inverter, meaning it can potentially output about 9 amps on the 220 volt AC side (not taking into account power factor).
This would also mean that you're *capable* of drawing almost *170 amps* of current from the 12 volt side.
From a quick google search, 2 AWG copper wire can carry a *MAX* load of 130 amps, and that's assuming it's pure copper, which the wire you have here *may* very well not be. This isn't even taking into account the total length of the wire, which can negatively affect the amperage carrying capability of a given wire.
With all of this being said, shouldn't your circuit breaker be rated more around *100 amps?* With a 300 amp breaker, I think the wire would roast before the breaker tripped, no?
You've given me a lot to think about, thanks! I guess the risk would be if I was pulling big power, like with a chop saw or something. I'm thinking of either 1) switching out that breaker, or 2) moving the inverter to the engine compartment and using an extension cord for the plug-in ... anyway, thanks for the careful reasoning!
Best video I've found that explains all of this so well. I'm trying to to the exact same thing and this very clearly explained a lot of things I don't know much about. THANK YOU.
Oh good! Good luck with the project!
We really love your ingenuity that you show in your projects! The screwdriver in the vice as a crimp line and the extra hand of vice grips holding a nut while you tighten the screw will be two tricks we're stealing from you. Thank you! :)
hey, nice of you to say! I really appreciate that. take care!
Came here looking for some info on putting an inverter into my Tundra, found a great channel to subscribe to. Thx!
Thanks! Tundra will great with more power options
Since the truck is negative ground, you only needed to route the red positive wire through the truck and drill one less hole. Then you will only need a short negative wire between the inverter and the truck frame.
I get that now - thanks. Too many years of house wiring on my end I guess haha ... take care
In my opinion it's still best to run straight to the battery especially when drawing a lot from the battery
Any inverter over 1000 watt must have both - & +, 2 awg (or larger) cables. Im not an expert, but every one I've ever owned would clearly state that in the manual.....
@@jasonpintler8150 but isn't several hundred square feet (guess) of conductive metal at least 0 gauge? Its an honest question as I don't know the answer.
@@awesomesauce2935 The ground circuit thru the chassis must still be connected to the battery. The small size of the battery to chassis ground cable will result in a voltage drop going to the inverter. The greater the load on the inverter the greater the voltage drop. The more the voltage drop the more amps required to deliver the same watts/power. The greater the amp draw the more the wires will heat up. The resistance from the heat will farther reduce will the voltage requiring even more amps.
Good job.
One improvement. Add two small strips of ears there stripping on the jig where the bottom of the inverter touches it to keep it in place for sure and vibrations down.
One of the best instructional vids for this. Simple and to the point. Much OBLIGED!
Glad to hear it!
Glued and screwed? Why... over kill
metaspencer = thanks....I only want to hook up a stereo to it and an MP3 player...
You are one talented dude. Good communication skills too. Thank you very much.
Thanks! Real nice of you to say
You don't have to run ground all the way to the inverter you can ground it directly to the frame (ground) just clean the rust off the surface with a wire wheel or wire brush
Yeah, good point. I didn't exactly know that when I was doing it ... years of wiring houses got in my way. Thanks for the tip!
inverter is in a good location, and you don't need to put it in the engine compartment but a few notes:
1) Your Red power wires should be wrapped with electrical tape (depending on voltage, select appropriate electrical tape) so you do not see any exposed terminals or wire!
2) I like your vice with screwdriver trick!
3) You can ground to the bed (shorter grounds are safer. Ground wires should be the same size or larger than your power wires. Less resistance = better ground. Wire brush your frame and use a fat ass bolt torque nicely to the frame as your ground location. Running it all the way to the battery was completely unnecessary and less-safe than a shorter ground.
4) Great idea with the secondary battery & Isolator!
Solid ideas, thanks !
Things that i recommend with this setup!
Get a meanwell inverter, u can have a 1500w model for 250$ and they are way better quality and most importantly won't burn ur truck down!. Get a 12v 100ah Lifepo4 battery from Amazon and use 100amp contractor so that it will only connect to your truck battery only when the engine is running. When engine is not running the inverter will only drain the 100ah Lifepo4 battery which should give u about 1100w/hr to use. Don't forget to install an temperature controller for the alternator or the lithium will pull too much current from the alternator at idle & fry the coil!
Interesting ideas and insights. Thanks buddy!
30 Gal. 175 PSI Oil Lubed Belt Drive Portable Vertical Electric Air Compressor
.........According to your installation method, can I use this air pump? Is the power enough？？The vehicle is a toyota sienna or a Honda Odyssey？？？？
Just check the pump: it will indicate how much power it needs and then you can find an inverter that works
hello ser
good day from phillipines
Good to hear from you!
you shod get a inverter for the bus and have it so if you do need it you can have some sort of backup power while driving
Yep, on my list for when I replace the leisure battery. Also an isolator
This gives me lots of ideas. Thank you!!
Oh good! You’re gonna love it
Excuse me ☝️. That’s not a perfectly good truck. It’s just a raggedy ass old Chevrolet. I could understand having second thoughts about drilling holes in a Ford or a Dodge but ... 🤷♂️
There ya go. Always a Ford lover in the bunch ... and I've got a couple of Fords so it's all good :)
I have a 96 Z71 with almost 400 thousand, she did run pretty good till my 17 yr old got hold of her. makes me sad! maybe he needs one of these Inverters.
woah, 400k! it's hard to believe, but this 1990 has just, wait for it, 53k miles. hardly any miles and next to zero rust. so you can imagine that I really like it :)
WOW, you better love that truck.
"ran pretty good till my 17 year old got ahold of it..."
Wish I had a dollar for everytime that was uttered...….
They’re dangerous!
Nice install brother. Quick question. Could you connect the ground to the chassis instead of going all the way to the battery? Thank you for your time!
Oh yeah, that will save you time and wire. The chassis is definitely a good ground
Nice configuration however that strap looks bad , should have used a metal bracket secured to the wood to hold the inverter bro 😎
I see your point, but the dang strap just keeps hanging in there! I should change it, but I somehow never do
pretty neat i have a 92 silverado thinking of doing the same thing
92! Excellent
why couldnt you just ground the inverter to the chassis? seat bolt or really anywhere thats metal...confused why you needed to go directly into the neg battery?
You absolutely can ground to the frame. I tend to prefer a ground to battery in a setup like this, but you're absolutely right.
Bro hello. I have no car no battery and 220v 500 watt Power supply 40A 12v Can I connect it instead of the battery? Connect to the car inverter generate 220 volts?
Worth a try but I can’t see starting the vehicle with no battery
Wow, there’s like no engine, there’s a ton of empty space in your engine bay. I don’t have nearly enough space to put an extra battery.
Yeah older vehicles are FULL of space.
Dear Sir, can you make a video that shows how to use the same principle indoors to fire up your electrical heater during a snowstorm or catastrophic weather? Without using your pickup truck 4 charging your indoor battery?
Sir, no I can't do that. I'd never run a heater on a battery. That would be too much power draw
That was a great video. I work in the oil field and move from job to job and I want to put a small microwave in my truck. Can you recommend a strong enough inverter?
You’re looking for a 2000 watt inverter I’m guessing... sounds like a good setup
I don't think any consumer microwaves exceed 1500 Watts -- the smaller compact units are usually around 1,100 Watts and are quite adequate for reheating a coffee , a sandwich, soups and stews..etc. Size the inverter 500 Watts above what your plugging into it.
Great video. I want to do the same thing. Do you recommend anything different other than the mount? This video was made 3 years ago are you still using the same setup?
Great setup. Just get a high quality unit
Nice explanation. Simple and easy to follow. Thank you! Hope it's held up well, I like the breaker idea.
Thanks! Yeah still liking my setup
U should use the seat bolt for ground
good idea!
Doesn’t the length of the power wire cause lots of amperage?
It hasn't been a problem for me and what I run, but you're right: the longer the cord the less juice
wait second battery? What if I only have one battery... will this work?
One battery is great. Just don’t kill it with your engine off
Curious why you got a 220v inverter? I’ve plugged my US 120v tools and chargers into 220v sockets overseas without a step-down transformer and I accidentally blew the tools. Trying to figure out why that didn’t happen with your tools when you tested them??
It wasn't intentional to get the 220v and makes sense to keep in the 110 arena for sure
@@metaspencer makes sense. Funny as I’m looking for a 220v one to use overseas ha. Thanks for the vid! Good stuff.
I wonder if you could run a small 125 amp flux core welder off this thing
That would be amazing! I kinda doubt you’d get enough heat … but it would be cool
Can 2 car batteries run a 5000w inverter without any problems or damage to the batteries?
You have to check a chart for that kind of info .. always depends on the load and batteries
@metaspencer thank you so much for your video. I install my old 5 year power inverter on my old suburban 2001 and once I connect the cables, power inverter start to do a humming sound. Do you think is normal? Power inverter was off. Thank so much for any advise on power inverter humming sound when is off.
That humming doesn't sound good to me ... I guess I'd probably not use it if possible. It would be bad to have a fire
@@metaspencer thank you so much for your reply, i really appreciate it. I will look for another power inverter. Thank you so much 🤗
Thanks!
You have positive and negative to the inverter did you have to hook a ground as well to the inverter because I have positive negative cable plus a ground
You can ground to the body of the vehicle ... that's the the negative cable. I ran mine to the battery but you can just ground to the frame
It is best to get a 'pure sine-wave' inverter. They cost a little more but they give you a pure sine wave just as your house power is.
I've heard that from a few people -- seems they're especially important if running electronics. Thanks !
I'm thinking about doing this so I can put a small portable air conditioner in my car what do you think?
That’s a lot of power … second battery would be key
What size wire did you use?
Check a chart. Depends on distance and load. Don’t go too thin
please make video for microwave use now on it ,it work on it or not because of high starting ampers
I've had that question a few times. Yes, microwave has a big draw
if i used separate battery for inverter 2000w , how do it recharge to battery?or can i connect direct to car battery?
recharge but linking it up in series or parallel depending on what you want, if your alternator can handle it
I'd like to do this on my slvilerado but dont trust my skill level. You think a garage would do this for me if I bought all the items? They would probably want to charge me an arn and a leg huh?
A shop that installs audio equipment could probably do the best job and charge the least, as they're used to this kind of stuff
@@metaspencer Hey thanks for the video and that info. Much appricated...😊
you know you could of grounded the inverter to the bed as long it was bare medal
Yep, you said it! or the frame back there
How do you charge your second battery the one you use for your inverter are you charging it via the alternator?
It’s tied into the main battery so the alternator charges both
very good sir, now can you do a vid on how I would use a solar panel with this setup?? Its just what I'm looking for. It would be soooo helpful since I'm a bit of a twit when it comes to this sort of thing.. cheers
I guess I really should put a solar panel on top of my topper for off-grid camping ... cool idea! Solar is definitely a bit more complicated, as you'll need a charge controller and all that, but you should be able to find some useful diagrams online. Good luck with it!
👍👍👍👍
Should keep the inverter as close to the batteries as possible to stop power drop shorter the cable run the better
Yeah, good point. Fortunately it works for my uses as is but a short run would be ideal. Thanks!
I have a ? Maybe you might know.. so im using a heat gun 1500w and inverter 2000 watt buT ny inverter goes 7mins of use the my voltage is at 10.45 then it shuts off ... should i add a capacitor so that way i get a loanger user time or second battery
Heat guns pull a LOT of power, so I'm not surprised. Sounds like a classic overload ... not sure about the capacitor idea
@@metaspencer thank you for your response... another?
Im runing 4awg cable wire to isolator and battery to front and battery to back but inly 2awg to the inverter will that be a problem.... should i just use 2awg everything... and when useing heat gun i would have to just run car
@@evananthonybaez For wire gauge it depends on load and distance. You need to check a chart ... often called a "wire gauge chart"
@@metaspencer thank you so much
Nice install. How is that era Chevy as far as mechanical, any issues? I had an 01 s10 that was a huge lemon but heard Chevy is junk and mine is typical. Give ya example of comparison-98' Tacoma first set of ball joints at 170k mi. S10: 1st set @ 70k, & 2nd set 80-100k later! 1st fuel pump @ 91,300 & 2nd 90,xxx miles later! TacomA:pump never failed. Both times happened after 11pm & big tow bills. 2nd time I just filled up 50 $gas. Shop wanted 1100 parts & labor. Friends fixed both times for coupla Bill's.and pump itself 250-300 for quality name. 2nd time 210 with dealership discount. Only good thing out of both failing is I could easily do an install myself after watching & helping work on mine.
The thing about my Chevy is that it's still at just 65k, so it's hard to tell about the overall cost of repairs. I have had a few things go, like the freakin' tranny! But that may have been a fluke due to hauling heavy loads. I've owned one Toyota and had a good experience: went 200k with little repairs other than the clutch at 180k. My ford and chevy trucks have not been so lucky ... but then, I still love 'em and get a ton of work done with them, so it may all even out. Good hearing from ya, man!
Does that pos still work? I I wudn buy junk, waste of $ that's gonna fail when u need it the most. Just my opinion.
The inverter still works but I think you're right: better to get a quality unit. I'm just cheap and don't use it that much
@@metaspencer good to know it mite be ok to buy. I've heard definitely stay away from the cheap Chinese ones.
Need low voltage disconnect also to protect your battery
thanks for the tip!
did this to my 94 Silverado with a leer top.
Cool truck!
Another good point. Thanks
Add at least 100w solar panel 💪
Thanks for sharing 👏
Yep you said it. Great idea
Several things are gonna go wrong with that install
Could you elaborate? Im looking to do something similar in my car
I’m surprised you didn’t put the breaker switch right next to the inverter. Now you have to pop the hood every time you want to switch it on or off.
I went for safer ... works for me since I use it rarely
I had a 400W inverter installed. I upgraded it to a 800W. I also installed an inline fuse when I installed the 400W. I don't run that much: a laptop, a printer, a hotspot and my phone. The 400W ran off of 12AWG wire and I never had the fuse blow. As long as I don't increase my load, will the 800W be OK until I get the chance upgrade the wire? I didn't use a conduit. Good idea BTW.
Check a wire size chart. Depends on load but also length of the wire. Fuse is a good idea
UPDATE: My truck caught fire, massively, Burned to the ground but I saved money on the parts. LMAO
Haha. You make a good point!! Gotta get s better inverter
Awesome video thanks!
You bet!
Thank you
Good luck with it!
how did you crimp the connectors after you fed them into the truck topper?
Vice grips and bolts to make the crimp ... worked but a crimper of that size would be nice
@@metaspencer sure would. anyway, great video.
Thanks for checking it out!
What are some things you can run of this.
I use it to charge my tool batteries and run small tools ... just check your tools for how much power they need and match it to your inverter
thanks for the video, how do you decide the current rating of the circuit breaker?
Your inverter should have a load description in amps ...
This is great step by step instructions! I have 1994 Silverado so I'll be doing pretty much the same. I'm needing to live in my truck for a few months sadly while I go to school. But this video is one of many glad you posted!
I installed this inverter after spending a week sleeping in the back of the truck -- it's great to be able to plug in and charge things back there. You're gonna like it. Note that you might be able to save some money and time by installing the unit under the hood and simply plugging in an extension cord for your power. That's another option. Good luck with the project and truck life!
I wonder if this inverter is strong enough to run a small 100 psi air compressor.
I think it would be. Just check amps on the compressor
@@metaspencer Great vid.... question please. I have read that car batteries are inherently limited to about 150 to 200w power draws? can that be true? how does a 2000w inverter work with a regular battery then? Thank you so much.
@@uber2tuber Yeah you will surely encounter limits when pulling from a car battery ... from what I know it all depends on the size of the batteries, alternator, etc
That looks like crap. Shoulda just stayed underneath bed and come up from bottom, you would’ve had plent cable.
I can see your point of view, but I was going for a higher entry point given risk of water infiltration
MR Spencer good video. Two questions: 1) suppose I do not have room under the hood or don't want a 2nd battery there. Can I keep battery two on a tender in my house, bring it out when necessary, place it in my truck bed and just run wires to an inverter and then plug devices into the inverter without connecting battery two to the car battery(Battery one) that is under the hood with the car running? Question 2: If a car needs to be running, why have two batteries? Thanks.
Number one is a yes, but just keep it charged regularly. Number two is that it’s just how some heavy duty trucks are set up. Good luck with it!
I think I got the same jumper they were from a local store, i was a little disappointed to find out that they were copper clad aluminum but it will work. I ended up drilling out the rivet so I could save the clips for other uses and keep the extra 6in of wire.
That copper coated aluminum is too common! Saving the clips was smart
@@metaspencer I was between a set at Walmart and a set an a bargain Close out store, from what I could tell thoroughly looking at them in the store they looked good and that they were supposedly 2 gauge. the price was about the same and I couldn't see the Walmart version which was smaller.
So I went with these big suckers they're about the size of my thumb and nice and flexible, now if only my fuse holder would come in I would have to force myself to find a way through the firewall and be good.
My biggest inverter is a 750w MSW :-( I keep saying my next is going to be a true sine-wave output it runs things more efficiently and some audio/amps/motors don't like modified. so I'm like way overkill anyway with a little bit of expansion.
And all I have to do is get some ring terminals, nuts and bolts and I can put clips on whatever I want, or use them as clamps.
Another thing I did instead of ring terminals is I got some electrical terminals that you usually bolt to a bus bar and have a screw tightened clamping mechanism to put the wire in and tighten it down which will make it easy to remove or change in the future. I do a lot of stuff with the end goal of having it be removable with minor changes, considering I went through three cars in six months :-( I am certainly looking at how easy it is to remove in 30 minutes while the guys watching you at the junkyard. I had to rip out my Bluetooth aftermarket radio and any other modifications I wanted to save and even tried to get the full tank of gas that I just put in…
@@imark7777777 Sounds like a good set-up and approach to me! You're gonna love it
The funny thing is a day or two after making this last comment my fuse holders finally came in and they sat around for a while. I Finally got everything in and it's all done and it works nice. I was looking around for a small disconnect to turn off and not drained the battery when not in use and decided to go with my original plan of using the second fuse holder.
Awesome! Great to have it running
Great video
Thanks man
great job
Thanks!
You could have done a better bracket for your inverter! But the important thing is that it works for you.. 👍🏻 good job
Haha … you are absolutely right!
Nice video dude. My only concern is that copper clad aluminium (the jumper cables) gets brittle and can be dangerous.
Thanks for the tip! I'll check that out periodically
How could I wire it to a aux switch
just put that aux switch where you want it and either interrupt the power feed or use a relay
If I want to get this done, who would I look for who could do this safely?
A shop that does car radio/audio installation could probably do it. Just call them and see.
I have a 5000/10000 inverter for my semi could you tell me what size breaker I would need?
You need some thick wire for that one, so 2/0 wire. You should also have a fuse on the circuit. The breaker size should be something you can find on a site like this one: www.altestore.com/howto/recommended-inverter-cables-sizing-and-breakers-or-fuses-a62/ ... good luck with it man!
I also want to own a work truck. I have a 30-gallon air pump. It is big and I want to use it. I need to do this?
You just have to see how many amps the air pump requires, them see if your inverter produces enough power
@@metaspencer The air compressor manual is marked as 120V, 15A, can it be started? I don't understand electricity, hope you can enlighten me, thank you
20 or 30 amp inverter should work for you
CAN USE IN OFF ENGINE OR TO START CAR ALSO
EXCELLENT! :)
if you heat the copper lug then fill i 3/4 of the way with solder.dip your wire...refill the lug then put your wire in permanently you will never have a issue as long as u heat shrink the lug after its cooled
Oh what a great idea. Thanks for that tip! Good one
Is there a reason you chose to use jumper cables instead of heavy gauge wire? I feel like heavy wire would be much cheaper and do just as good of job.
I got the jumper cables cheap ... just use what works for ya
If I do this can I leave the switch on without it killing the battery when the car is off or will I need to switch it off everytime the car is off?
As long as you don't have a draw or anything plugged in and using power, you can leave the system on
@@metaspencer i use it to run studio speakers. I run power through the AC plug but the bass hits too hard on some songs and it doesn't have enough power to keep the inverter from overloading and turning off so I was gonna do ths
@@metaspencer so turning the inverter off wouldn't work? It'll still draw?
that's very cool
It's a great setup
Good Job. I would heat shrink the terminals, there could be a chance of shorting the terminal on the CB to the chassis of the truck
Oh good idea! Never thought of that. Maybe I'll apply some liquid electrical "tape" ... thanks!
Like the set , but the only thing I would change is the location of the off/on switch I would find a place in the cab.👍🏻
cool idea, especially if you plan to use it a lot
Me & pop watched & both enjoyed nice work ..
hey guys! :) I hope he's feeling better
@@metaspencer he's better than ever thanks
Personally, I think going underneath along the frame rails and coming up through the bottom of the bed would have made a cleaner job. Also if you ever remove the cable a rubber plug could fill the hole. I have a cobra 1800 watt inverter and have thought about installing it in my 2018 sierra, but the 28 feet of wire was cost preventive but yhe harbor freight jumper cables might work.
I see your point on that routing method for the wire but didn't want to come in low as I was thinking about water infiltration. But I see your point.
Very nice!
Thanks man
Just one thought as an electrical engineer, the heavier wire is on the DC side and also AC has less loss per foot distance so if you can keep inverter closer to battery, you will save money on wire and results with better AC voltage at outlets
Makes good sense. Thanks man
It is not necessary to run a negative wire to the Inverter. You can use the vehicle as a negative common for the Inverter and double the positive wire size. I've done it and it is safe!
You're absolutely right -- I just prefer to homerun too the battery on an instance like this
Excellent video
Thank you very much! I'm glad it was useful!
How can you tell how many batteries you need to run the 2000W inverter?
Depends on draw. 1 battery is fine but will die fast with big draw
How did you crimp the wire when in the truck as you now don’t have the vice to use ?
Thanks.
I've had that question a few times. Without a crimper I used a pair of vice grips, sandwiching the wire between screwdrivers. That puts a nice dent in the fitting. Some will add solder to the end too