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Wire Crimping- How Much Force?

2720 Views 66 Replies 18 Participants Last post by  Skerr
I have always crimped wire connectors with a lot of force. It flattens them out, spreads the plastic shielding, and sometimes makes it difficult to slide the heat-shrink over the top. I also, usually, crimp more than once. Too afraid that my connection will come apart later. What is the proper way to crimp wire?
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See Skipper John has a good crimper is married and has kids, so your argument dont work.
Speaking about wires and crimping tools..

I still do not understand the american system.. The smaller the number (wire gauge), the bigger the wire...

Metric system: A bigger number means a bigger wire (square section/area) - and there is no limits such as 4GA, 2GA, 000GA and god knows how many zeros..
No crimpers, here...I just bite down with moderate pressure...:eek:...;)...
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I still do not understand the american system.. The smaller the number (wire gauge), the bigger the wire...

Metric system: A bigger number means a bigger wire (square section/area)
Looks like you have it figured out....

Winston Churchill is often credited with saying (and there is a bit of disagreement if he ever said this): "You can always count on the Americans to do the right thing after they have tried everything else."

So we have either found the 'right thing' or are still in the process...
I got a $20 one from Amazon that you hit with a sledge, I got it for 0g but iv used it on 14g also, I won't use anything else now.
George I also remember an incident with a hacksaw. Scott what ended up in the tree? :D

Also about the crimping. George told me to dip the wire in anti-seize before crimping too. I would think copper based would be best. George you're slipping, you should have mentioned this but I guess you're so taken back by the tools getting launched and now the air rifle that you were overwhelmed. And your grief for missing JH.
Also about the crimping. George told me to dip the wire in anti-seize before crimping too. I would think copper based would be best. George you're slipping, you should have mentioned this but I guess you're so taken back by the tools getting launched and now the air rifle that you were overwhelmed. And your grief for missing JH.
Jim I woulda or shoulda but I wuz taking baby steps with the Skipper as case in point do you remember how many pictures of his feet were posted before he discovered shoes?
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No crimpers, here...I just bite down with moderate pressure...:eek:...;)...
How often do you go to the dentist?:D
Those are big boy tools. I assume they ratchet up tight??
WSS
Oh yeah. But it does have a quick release if you do something stupid.
You don't want to get your finger in there.
See Skipper John has a good crimper is married and has kids, so your argument dont work.
John's divorced but has two kids in College so I guess it still works out the same.
How often do you go to the dentist?:D
Often enough to have put one of his kids through college!...:eek:...
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Oh yeah. But it does have a quick release if you do something stupid.
You don't want to get your finger in there.
Good addition that quick release. LOL

I bought a set like that specifically for doing the solar panel MC4 connectors, but found they do a great job a many fittings. I used it to install two harness style packs when doing my tilt wheel install.









I use the pooh out of these. Note the different crimp positions



Here is a pair of those GB crimpers like shown earlier, rock solid and easy to squeeze:

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I use these, really like them and for doing molex style connectors, you cant go wrong.

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WOW....:surprise:

Professional results. Looks good. Post back a review on the workings of those. I would like to go that route soon.

The fact that you care about your work is probably the no.1 factor in the success.

WSS
Thanks, Tommy. Today was the virgin run with the fans. Everything seemed to go alright, but I have temperature questions for another thread. So BOTL!

Here's mine
Good God! Sorta makes me feel inadequate, John. Did you have to show that? :eek:

Jim I woulda or shoulda but I wuz taking baby steps with the Skipper as case in point do you remember how many pictures of his feet were posted before he discovered shoes?
Just because you can't show your feet due to your old, cracked toenails ain't no reason tuh get on me! My toes is bee-u-ti-full! (Stick poke)

John's divorced but has two kids in College so I guess it still works out the same.
Scott's still married with one kid out of college, one kid still in college, and two more to go! That's why I don't have kickbutt crimpers! :laugh:
So how hard should you mash down on the connector?
Skerr, back to your original question, I see. Hopefully this is the answer:

I use the insulated connectors with the heat shrink/adhesive (weatherproof) insulation available at any auto supply. I use the non-insul (stake) position on my cheap crimper or on my Klein crimper, just enough to crimp the wire, but not so much as to punch through the insulation. (Fith pic in post #34) There is your electrical connection. Then I heat shrink each end with a two dollar fire starter butane match. The glue melts, the plastic shrinks (stop just before it turns black), and there is your mechanical connection. Just did that on my bilge pump to float switch wires (in my boat, not the Jeep, only once did I need a bilge pump in the Jeep). The PO just used non-weatherproof crimps and it almost sank my boat when the float switch wire totally corroded off, simultaneously, in two places.

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Skerr, back to your original question, I see. Hopefully this is the answer:

I use the insulated connectors with the heat shrink/adhesive (weatherproof) insulation available at any auto supply. I use the non-insul (stake) position on my cheap crimper or on my Klein crimper, just enough to crimp the wire, but not so much as to punch through the insulation. (Fith pic in post #34) There is your electrical connection. Then I heat shrink each end with a two dollar fire starter butane match. The glue melts, the plastic shrinks (stop just before it turns black), and there is your mechanical connection. Just did that on my bilge pump to float switch wires (in my boat, not the Jeep, only once did I need a bilge pump in the Jeep). The PO just used non-weatherproof crimps and it almost sank my boat when the float switch wire totally corroded off, simultaneously, in two places.

I didn't realize the connectors I'm using had adhesive in them. But I am using the same ones. Thanks for the information. I don't think I have ever NOT broken through the plastic when I crimped a wire! And I've been there with the bilge problem. We had the same boat PO!
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