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Old 02-27-2009, 09:08 PM   #1
nation1979
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Default how to properly attach copper ends to amp wire

i was wondering what method you guys use when attaching copper rings to 4ga power/ground wires for amp kits.i buy in bulk and plan on making my own grounding kit for a quater of the price people charge.
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Old 02-27-2009, 09:16 PM   #2
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Ratchet crimper, vice and a nail. Just because I can't affford a hydraulic crimper
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Old 02-27-2009, 09:23 PM   #3
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Hammer-crimpers FTW
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Old 02-27-2009, 09:24 PM   #4
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Ratchet crimper, vice and a nail. Just because I can't affford a hydraulic crimper
how does the nail come into play?

i have always just used a larger hand crimper (handles were around 14 inches i think?) for larger ring terminals, along with solder
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Old 02-27-2009, 09:27 PM   #5
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Use the nail to push one portion of the terminal in and then fold the other over. Then hit it with the big ass ratchet crimpers I have. Unfortunately there still isn't enough pressure to cold weld the two together, which is what you actually want to achieve.
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Old 02-27-2009, 10:16 PM   #6
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bench vise and a long screw ftw

a little soldier if you're paranoid
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Old 02-28-2009, 12:45 AM   #7
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iknow im asking alot but do you have a pic of the tools?i want to buy the right ones.i figure what i save doing it myself will payoff
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Old 02-28-2009, 09:55 AM   #8
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something like these channellock crimper/cutter will do the trick for most connections.



It isn't ideal for anything larger than 8 gauge though. To do a 4 gauge crimp you would have to probably do 3-4 separate crimps to get it right. Either way it is a pretty cheap tool and is worth it to add to your tool box.

A cheap solution for larger gauge wires is a hammer crimp tool.


Just to give you an idea of what to look for.
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Old 02-28-2009, 01:20 PM   #9
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thanks.im heading to sears to pick up both.i have about 40' of 12,10 &8 GA and about 20' of 4 ga.yesterday i picked up all the connectors and there was a guy selling a whole lot of stereo stuff(10 inline fuse holders,mounts,5 caps and 3 battery blocks)got all that for 25$
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Old 02-28-2009, 01:46 PM   #10
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Quote:
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iknow im asking alot but do you have a pic of the tools?i want to buy the right ones.i figure what i save doing it myself will payoff
Dude, a hammer and a concrete floor is all you really need..

IF you DO decide to solder, a simple propane torch will do what you need, just torch the very tip of the terminal, and allow the heat to move down into the wire.. apply the solder and then cool it as quickly as you can... a moist towel will help with that, without "dunking" it...
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Old 02-28-2009, 04:54 PM   #11
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Quote:
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Dude, a hammer and a concrete floor is all you really need..
I don't really agree with that. Sure it can get it done, but you're going to have a fat, flat crimp, not something properly wrapped over itself and in a nice tight, clean package. The hammer-crimper set is what I use for anything over 8ga. I put it in, upside down at an angle, give it a half-tap to start the overlap, then straighten it and give it 2 solid wacks. I have never EVER had a problem
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Old 02-28-2009, 05:45 PM   #12
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Quote:
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I don't really agree with that. Sure it can get it done, but you're going to have a fat, flat crimp, not something properly wrapped over itself and in a nice tight, clean package. The hammer-crimper set is what I use for anything over 8ga. I put it in, upside down at an angle, give it a half-tap to start the overlap, then straighten it and give it 2 solid wacks. I have never EVER had a problem
i cant seem to fid the hammer kind.ebay may be a option
the hand crimper shown said it was only good upto 10 gauge.im making a bunch of 8 gauge grounds and 4 gauge power lines.i should be able to make 10 complete kits for 30 shipped.tha will be after i master the crimper though.i dont half ass stuff like that
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