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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / September 2006

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electrical connectors

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RayV - 19 Sep 2006 14:56 GMT
I'm trying to find the solderless connectors online that have the
little flap and it slices the insulation of the two wires when you
close the flap.  I can't remember what they are called and am only
coming up with butt connectors and the spade and lood terminals.

Anyone know of a site that has these connectors?
Flatrater - 19 Sep 2006 16:50 GMT
http://store.nutsandbolts.com/electrical-scotch-lock-terminals.html

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Flatrater

http://www.automotiveforums.com

RayV - 21 Sep 2006 13:01 GMT
> http://store.nutsandbolts.com/electrical-scotch-lock-terminals.html
>
[quoted text clipped - 5 lines]
>
> http://www.automotiveforums.com

Thanks.
Lefty - 19 Sep 2006 17:08 GMT
Scotch Locks  . . . Ebay has them (Mombo's Automotive Electrical)
along with any online electrical supplier. I've made a lot of money
finding and replacing these little  corrosion incubators. Usually a
little solder and some heat shrink tube will fix things up fine.

> I'm trying to find the solderless connectors online that have the
> little flap and it slices the insulation of the two wires when you
> close the flap.  I can't remember what they are called and am only
> coming up with butt connectors and the spade and lood terminals.
>
> Anyone know of a site that has these connectors?
Mike Romain - 19 Sep 2006 18:25 GMT
I will double that about making lots of money finding those little
corrosion incubators.  Up here in the rust belt they are good for 3 or 4
years max usually, then trouble starts.

I now look for those first when lights screw up....

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos:  Non members can still view!
Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590
(More Off Road album links at bottom of the view page)

> Scotch Locks  . . . Ebay has them (Mombo's Automotive Electrical)
> along with any online electrical supplier. I've made a lot of money
[quoted text clipped - 7 lines]
> >
> > Anyone know of a site that has these connectors?
TeGGeR® - 19 Sep 2006 20:04 GMT
Mike Romain <romainm@sympatico.ca> wrote in news:45102899.670FB7C8
@sympatico.ca:

> I will double that about making lots of money finding those little
> corrosion incubators.  Up here in the rust belt they are good for 3 or 4
> years max usually, then trouble starts.

Fill 'em with white grease before closing.

It's spelled "ScotchLok", for anyone Googling...

Signature

TeGGeR®

Shep - 19 Sep 2006 22:00 GMT
Or di-electric paste.
> Mike Romain <romainm@sympatico.ca> wrote in news:45102899.670FB7C8
> @sympatico.ca:
[quoted text clipped - 6 lines]
>
> It's spelled "ScotchLok", for anyone Googling...
Pete C. - 20 Sep 2006 00:51 GMT
> Or di-electric paste.
> > Mike Romain <romainm@sympatico.ca> wrote in news:45102899.670FB7C8
[quoted text clipped - 14 lines]
> http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups
> ----= East and West-Coast Server Farms - Total Privacy via Encryption =----

Still very unreliable in an automotive environment. The posi-lock
solderless connectors seem to be fairly reliable if a bit bulky.
Certainly a well executed and heat shrunk connection (preferably with
the melting liner heat shrink) is neater and very reliable.

Pete C.
dingbat@codesmiths.com - 19 Sep 2006 18:44 GMT
> I can't remember what they are called

"Spawn of Satan" usually does the trick.

Are these things _really_ a 3M invention?  Must be the one bad idea
that 3M ever had.

If you _must_ use them (and I advise strongly against it) then fill
them with a squirt of silicone grease before you fit them and don't
even think of using them anywhere that isn;t kept warm and dry.
Pete C. - 20 Sep 2006 00:53 GMT
> > I can't remember what they are called
>
[quoted text clipped - 6 lines]
> them with a squirt of silicone grease before you fit them and don't
> even think of using them anywhere that isn;t kept warm and dry.

They seem ok in non automotive and otherwise weather and vibration
protected environments. Certainly the telecom connectors like the UR are
pretty similar and work well and oddly enough come with the dielectric
grease pre applied.

Pete C.
dingbat@codesmiths.com - 21 Sep 2006 18:53 GMT
> They seem ok in non automotive and otherwise weather and vibration
> protected environments. Certainly the telecom connectors like the UR are
> pretty similar

No they're not.  They are grease filled (which you can do yourself) but
most importantly they're used on a _solid_ core cable, not stranded.

The trick for reliability is to make a "gas tight" connection, meaning
that vapour and moisture can't get between the cable and the sharp
tine. Doing this requires a well-designed connector that can generate a
high pressure on the contact area. That requires a known size of cable
/ tine and also a solid cable that doesn't simply squash.
N8N - 21 Sep 2006 13:45 GMT
> I'm trying to find the solderless connectors online that have the
> little flap and it slices the insulation of the two wires when you
> close the flap.  I can't remember what they are called and am only
> coming up with butt connectors and the spade and lood terminals.
>
> Anyone know of a site that has these connectors?

3M Scotchlocks, but in an automotive context I would much prefer that
you cut the wire and use a butt splice and heat shrink.

nate
 
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