Soldering two wires together..., Is there a better way? |
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Soldering two wires together..., Is there a better way? |
neo914-6 |
Feb 13 2006, 11:58 AM
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#1
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neo life Group: Members Posts: 5,086 Joined: 16-January 03 From: Willow Glen (San Jose) Member No.: 159 |
The twist method is here
Another is soldering them overlapped. I always get a few strands sticking out and piercing the heat shrink tubing...maybe it's takes better technique but is there a mechanical lug that can hold the two ends togehter that can be soldered? (IMG:http://www.914world.com/bbs2/html/emoticons/screwy.gif) I don't particularly like the FLAPS plastic covered connectors but I'm told I may not be compressing them correctly. Besides in a confined area with alot of wires, the connectors take up alot of room... What are you doing succesfully? |
r_towle |
Feb 13 2006, 12:03 PM
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#2
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Custom Member Group: Members Posts: 24,624 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
I have become really fond of the crimp style connectors WITHOUT the plastic covering...
They are very small, and easy to deal with...plus, you can solder it up afterwards if you want... I have heard that solder connections in areas with high vibration are not the best choice...so the crimp style with solder seems to be the best of both worlds... And, If done right, once the heat shrink tubing is put on, you cant even tell there is a connector there... If found them at the hardware store...but I had never seen them before that... You may have to hunt around for them... Its basically the same company, and the same thing as the plastic covered crimp conectors, just without the plastic... Rich |
redshift |
Feb 13 2006, 12:11 PM
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#3
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Bless the Hell out of you! Group: Members Posts: 10,926 Joined: 29-June 03 Member No.: 869 |
With heavier gauge wire, I prefer using a small torch, or a butane iron.
Preen the wire, so there is about 3/4 inch clean, treat with a quality flux, push them into each other (interlocking.. kind of) clamp, and solder. It just takes practice. M |
wertygrog |
Feb 13 2006, 12:12 PM
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#4
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wertygrog Group: Members Posts: 428 Joined: 12-November 05 From: Long Beach, CA Member No.: 5,114 Region Association: Southern California |
A solder joint with the wires overlapping a smidge is the best, IMO. Crimped connectors work well, but only if you have the right crimping tool and you use it right. In other words, you have to collapse the crimp piece inwards, not just crush it flat.
brent |
gklinger |
Feb 13 2006, 12:29 PM
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#5
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doh! Group: Members Posts: 316 Joined: 14-January 03 From: Tempe, AZ Member No.: 146 Region Association: Southwest Region |
(IMG:http://www.914world.com/bbs2/html/emoticons/agree.gif) I used these extensively on my Megasquirt harness build, WITH a proper crimper and heat shrink. Have no doubt they'll last... |
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Porcharu |
Feb 13 2006, 12:30 PM
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#6
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Senior Member Group: Members Posts: 1,314 Joined: 27-January 05 From: Campbell, CA Member No.: 3,518 Region Association: Northern California |
(IMG:http://www.914world.com/bbs2/html/emoticons/agree.gif) Something else that works well is to tin both ends of the wires bend them into J hooks hook them together give them a squeeze with pliers to lock them together then solder. Then cut them back apart install the shrink tubing and repeat (IMG:http://www.914world.com/bbs2/html/emoticons/headbang.gif) |
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TonyAKAVW |
Feb 13 2006, 12:35 PM
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#7
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That's my ride. Group: Members Posts: 2,151 Joined: 17-January 03 From: Redondo Beach, CA Member No.: 166 Region Association: None |
I usually tin each wire end individually and then overlap them and heat. Adding just a tiny bit of solder makes for a really nice connection. That will keep you from having wires sticking out. Flux is good, but just use a tiny amount. It will wick its way into the wire beneath the insulation, and allow the tinning to go under as well. This can (if not accounted for) make for a potentially brittle solder joint. To account for it, use longer strain relief and tie down the wires.
-Tony |
jasons |
Feb 13 2006, 12:57 PM
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#8
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Jackstand Extraordinaire Group: Members Posts: 2,002 Joined: 19-August 04 From: Scottsdale, AZ Member No.: 2,573 Region Association: None |
I use the twist method. When you get the strands sticking out that pierce the heat shrink, use some nippers to clean them up.
Also, if I am using crimp connectors, I solder them. I usually don't crimp them if they need to last more than a day. If they have the plastic insulator, I pull it off and discard it and use heat shrink. It looks cleaner and the heat shrink add some strain relief to the solder joint. Another tip: If you do a bunch of wires, like you cut a harness and are reassembling it, stagger the twist joints for each wire splice. This way, you won't get a big lump in one spot of the harness. So if you are cutting a harness and you plan to reassemble it, cut it in a stagger. Don't just lop all the wires at one spot. |
sgomes |
Feb 13 2006, 01:10 PM
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#9
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Electric Member Group: Members Posts: 815 Joined: 6-May 04 From: Campbell, CA Member No.: 2,029 |
my suggestion:
Attached image(s) |
zymurgist |
Feb 13 2006, 01:21 PM
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#10
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"Ace" Mechanic Group: Members Posts: 7,411 Joined: 9-June 05 From: Hagerstown, MD Member No.: 4,238 Region Association: None |
LOL! (IMG:http://www.914world.com/bbs2/html/emoticons/laugh.gif) BTDT. (IMG:http://www.914world.com/bbs2/html/emoticons/headbang.gif) |
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ClayPerrine |
Feb 13 2006, 02:27 PM
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#11
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Life's been good to me so far..... Group: Admin Posts: 15,820 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille |
The only thing worse than butt connectors (IMG:http://www.914world.com/bbs2/uploads/post-2-1139857840.jpg) that I cannot verify the crimp is scotchlocks. If I find them on your car, you will hear all sorts of nasty comments about the DACO!!! (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif) Proper metal crimps (or soldering) and heat shrink make for a far more reliable electrical connection. I could add some offensive comment about butt connectors and brokeback mountain, but I will let your imagination do it for me. (IMG:http://www.914world.com/bbs2/html/emoticons/happy11.gif) |
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