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Solder or just crimp? #1306396
Mon Apr 08 2019 03:00 PM
Mon Apr 08 2019 03:00 PM
M
Matt_Texas  Offline OP
Shop Shark
Joined: Jun 2017
Posts: 176
Odessa
I got an EZ wire 21 mini. For my 1950 3100.

I want to do this right but I'm getting a lot of back and forth on whether to solder or not. Each argument sounds convincing too. Are factory wires soldered on new stuff?


I plan to start wiring with next pay check.

Re: Solder or just crimp? [Re: Matt_Texas] #1306399
Mon Apr 08 2019 03:06 PM
Mon Apr 08 2019 03:06 PM
H
Hotrod Lincoln  Offline
Boltergeist
Joined: Feb 2004
Posts: 18,547
Dellrose, TN
Factories don't necessarily do things "right"- - - -they choose to use the methods that will get a vehicle through its warranty period with a minimum of free repair work. If you're interested in your wiring lasting more than 8-10 years without problems, solder the connections. Crimped connections are "good"- - - -properly soldered ones are "better". A poor soldered connection isn't as good as a crimp done right.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Solder or just crimp? [Re: Matt_Texas] #1306401
Mon Apr 08 2019 03:15 PM
Mon Apr 08 2019 03:15 PM
F
Forty9  Offline
Shop Shark
Joined: Apr 2008
Posts: 696
Henderson, Nevada
Better to solder now than wish you had after installing. I soldered as many connections as I could when I first got my 49 3100 in 1987 and while it was a PITA since wiring was already installed I haven't regretted all the crawling around to get it done. Done right you never have to worry about it again!


Ed
Re: Solder or just crimp? [Re: Matt_Texas] #1306419
Mon Apr 08 2019 06:07 PM
Mon Apr 08 2019 06:07 PM
M
Matt_Texas  Offline OP
Shop Shark
Joined: Jun 2017
Posts: 176
Odessa
I hadn't thought of them making the vehicle last just long enough for the warranty...

Solder needs to be resin 60/40?

Are some solder guns better than others?

Re: Solder or just crimp? [Re: Matt_Texas] #1306420
Mon Apr 08 2019 06:07 PM
Mon Apr 08 2019 06:07 PM
F
Fox  Offline
Shop Shark
Joined: Apr 2002
Posts: 1,406
Breton, Alberta
I did both and heat shrink wrapped all of them. Takes a long time but peace of mind.



In the Stovebolt Gallery
More pictures here

1953 GMC 9430 1 ton dually—-Shiny!

1970 Chevrolet C10 - Grandpa’s- My first truck.—in progress to shiny
1972 Chevrolet C20- rusted
1970 Chevrolet K20 Suburban—rusted.
1950 Chevrolet 1300- in progress to shiny.

Parts trucks-
1951 GMC 9300
1951-GMC 9430
1951- Chevrolet 1300
Re: Solder or just crimp? [Re: Matt_Texas] #1306432
Mon Apr 08 2019 07:59 PM
Mon Apr 08 2019 07:59 PM
B
bartamos  Offline
Master Gabster
Joined: May 2005
Posts: 5,907
State48 Ranch
You will find out that soldering is not all that easy. Orienting the wire while holding the terminal end in some clamp or other. You need two hands to solder. Then you will melt the insulation. The heating of the insulation and the solder on the joint, will cause the termination to be overly stiff and not flexible. Then getting solder on a place that won't allow terminal to be installed in a connector shell. Screwing up the connector shell trying to get it in there. You may have "cold" solder joints you won't see. Not to mention it will take you forever to finish.

A good crimp contact using a good crimp tool is plenty good for automotive. Solder is not necessary. The crimps will not come loose.


1960 GMC K1001 (The Oreo SpeedWagon)
To each his own or the Highway.
All I know is what the voices in my head tell me and a little from watching TV.




Re: Solder or just crimp? [Re: Matt_Texas] #1306436
Mon Apr 08 2019 08:31 PM
Mon Apr 08 2019 08:31 PM
B
beltfed  Offline
Shop Shark
Joined: May 2005
Posts: 1,570
Knoxville, TN
By now it should be obvious that both crimped and soldered connections have good and bad points. I have been soldering since I was 18 and in the army. Personally I don’t use a solder gun but a pencil type. Guns used improperly create too much heat which is bad. As far as crimping always use the type that has a ‘tooth’ to bite into the connector. Always put the tooth opposite the connector seam. The best connection for wire has two components, electo-mechanical. When possible I crimp a connector like the “Staycons” we see so often. Then I tin and heat with the pencil in a selected area and watch the solder ‘flow’ into the barrel of the connector. I would think you could learn some tricks from Utube.


Six volt guy living in a twelve volt world
Re: Solder or just crimp? [Re: Matt_Texas] #1306437
Mon Apr 08 2019 08:47 PM
Mon Apr 08 2019 08:47 PM
B
bartamos  Offline
Master Gabster
Joined: May 2005
Posts: 5,907
State48 Ranch
Of course, this issue is a very old issue that never gets resolved.

We always allow the person to do what they wish after all the opinions are in. smile


1960 GMC K1001 (The Oreo SpeedWagon)
To each his own or the Highway.
All I know is what the voices in my head tell me and a little from watching TV.




Re: Solder or just crimp? [Re: Matt_Texas] #1306443
Mon Apr 08 2019 09:31 PM
Mon Apr 08 2019 09:31 PM
H
Hotrod Lincoln  Offline
Boltergeist
Joined: Feb 2004
Posts: 18,547
Dellrose, TN
I use the highest-wattage pistol grip solder gun I can find, use very small-diameter solder, and don't spend enough time on any particular connection to experience any of the heat-migrating problems our resident curmudgeon describes. Getting the connection HOT quickly and getting a good solder flow only at the terminal is the trick to making good low resistance connections without melting everything else in the neighborhood. I consider a 350-400 watt gun to be an abso9lute minimum, and I've got the tip up to full heat before touching it to the connector.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Solder or just crimp? [Re: Matt_Texas] #1306444
Mon Apr 08 2019 09:40 PM
Mon Apr 08 2019 09:40 PM
B
bartamos  Offline
Master Gabster
Joined: May 2005
Posts: 5,907
State48 Ranch
If you mean me, Yes pot, I am black.




1960 GMC K1001 (The Oreo SpeedWagon)
To each his own or the Highway.
All I know is what the voices in my head tell me and a little from watching TV.




Re: Solder or just crimp? [Re: Matt_Texas] #1306450
Mon Apr 08 2019 10:20 PM
Mon Apr 08 2019 10:20 PM
H
Hotrod Lincoln  Offline
Boltergeist
Joined: Feb 2004
Posts: 18,547
Dellrose, TN
Hey, I can't handle the load of being the only bad-tempered old coot on the forum all by myself!
LOL!
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Solder or just crimp? [Re: Matt_Texas] #1306453
Mon Apr 08 2019 10:51 PM
Mon Apr 08 2019 10:51 PM
B
beltfed  Offline
Shop Shark
Joined: May 2005
Posts: 1,570
Knoxville, TN
Sorry Bartamos, I think Jerry was reaching out to me since I stated I never use a solder gun. I know he can rebuild a carb through the tail pipe, but I seriously doubt he has joined more connections with solder than I. That is, if he didn’t use solder instead of gaskets
to button up all the motors he has built.😜
“We now return you to the regularly scheduled program”.


Six volt guy living in a twelve volt world
Re: Solder or just crimp? [Re: Matt_Texas] #1306470
Tue Apr 09 2019 01:14 AM
Tue Apr 09 2019 01:14 AM
5
52Carl  Offline
Master Gabster
Joined: Mar 2010
Posts: 7,962
Virginia
So what y'all are telling me is that I need to remove all of the wire nuts from my Romex wiring harness? smile
Carl
Intelgentuli gluteus.

Last edited by 52Carl; Tue Apr 09 2019 01:16 AM.
Re: Solder or just crimp? [Re: Matt_Texas] #1306477
Tue Apr 09 2019 02:26 AM
Tue Apr 09 2019 02:26 AM
B
bartamos  Offline
Master Gabster
Joined: May 2005
Posts: 5,907
State48 Ranch
You are AD-D


1960 GMC K1001 (The Oreo SpeedWagon)
To each his own or the Highway.
All I know is what the voices in my head tell me and a little from watching TV.




Re: Solder or just crimp? [Re: Matt_Texas] #1306485
Tue Apr 09 2019 04:18 AM
Tue Apr 09 2019 04:18 AM
F
Fox  Offline
Shop Shark
Joined: Apr 2002
Posts: 1,406
Breton, Alberta
I soldered mine because the crimps were open (no plastic caps) and I figured, since it was open, I may as well solder them before I shrink wrap. It works for me.



In the Stovebolt Gallery
More pictures here

1953 GMC 9430 1 ton dually—-Shiny!

1970 Chevrolet C10 - Grandpa’s- My first truck.—in progress to shiny
1972 Chevrolet C20- rusted
1970 Chevrolet K20 Suburban—rusted.
1950 Chevrolet 1300- in progress to shiny.

Parts trucks-
1951 GMC 9300
1951-GMC 9430
1951- Chevrolet 1300
Re: Solder or just crimp? [Re: Matt_Texas] #1306487
Tue Apr 09 2019 04:53 AM
Tue Apr 09 2019 04:53 AM
S
Shakey61  Offline
New Guy
Joined: Mar 2019
Posts: 12
Columbia, Missouri
If you can, do both. With a little practice, you can solder an already-crimped wire without melting the plastic insulator on the crimp terminal. I personally prefer a 40-Watt pencil-type iron to a gun...easier for the fine work.

Being able to solder well is a handy skill to have. Either have someone competent teach you, or find a good video on YouTube.

My first two weeks of Army electronics school was soldering. Two weeks. I already had my college degree by then, so I was bored out of my mind. I was making little solder sculptures of soldiers raking the grass, picking up butts, etc. I didn't win points with my instructors with that.

-Kevin

Last edited by Shakey61; Tue Apr 09 2019 04:54 AM.

This is what happens when you live with a house-full of women, the wife and daughters name all the cars:
1960 Impala - "Frankie" (Frank Sinatra)
1961 Apache - " 'Mater Jr." (wrecker)
1972 SuperBeetle Convertible - "Juliet"
1976 SuperBeetle Convertible - "Olaf"
1988 Alfa Romeo Spider Veloce - "Romeo"
Re: Solder or just crimp? [Re: 52Carl] #1306503
Tue Apr 09 2019 12:14 PM
Tue Apr 09 2019 12:14 PM
M
moparguy  Offline
Shop Shark
Joined: Sep 2013
Posts: 783
Watford City ND...
Originally Posted by 52Carl
So what y'all are telling me is that I need to remove all of the wire nuts from my Romex wiring harness? smile
Carl
Intelgentuli gluteus.



WAIT, you used wire nuts??? A quick twist and couple wraps with Dollar store duct tape works just fine smile


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1951 Farmall Super A



Re: Solder or just crimp? [Re: Matt_Texas] #1306509
Tue Apr 09 2019 12:55 PM
Tue Apr 09 2019 12:55 PM
V
Volfandt  Offline
Shop Shark
Joined: Aug 2012
Posts: 1,651
Knox County, TN
Man, I best be redo'ing the trouble free crimp connections on my 20 yr old truck and while I'm at it those those 50+ yr old crimps on my 2ea Wheel Horses too....
Funny, the wiring on my 49 3100 is chafeing away and yet there's no problems with the crimp connections.....

All that said, a properly crimped connection, like a properly soldered connection will last most of us.

Wire nuts? sometimes you fell like a nut, sometimes you don't LOL

Re: Solder or just crimp? [Re: Matt_Texas] #1306510
Tue Apr 09 2019 12:58 PM
Tue Apr 09 2019 12:58 PM
Rusty Rod  Offline
Moderator - The Electrical Bay and Rocky Mountain Bolters
Joined: Dec 2002
Posts: 2,876
Loveland, Colorado
What's wrong with using wire nuts and tape? I used them when I was putting my $100 wire harness together ( the one that I have $300 into). Of course I removed them later when everything was working ok. I did not use romex, but I did use part of an extension cord for my tail lights.


Another quality post.


Real Trucks Rattle

HELP! The Paranoids are after me!
Re: Solder or just crimp? [Re: Matt_Texas] #1306549
Tue Apr 09 2019 07:04 PM
Tue Apr 09 2019 07:04 PM
M
Matt_Texas  Offline OP
Shop Shark
Joined: Jun 2017
Posts: 176
Odessa
I'm finding that if a crimp is done properly... it lasts. And the same with soldering but if either is done wrong it's a failure.

And going back to factory warranties and things mafe to last only so long... do the crimps ever fail or is it the cheap electrical component that breaks?

Re: Solder or just crimp? [Re: Matt_Texas] #1306550
Tue Apr 09 2019 07:10 PM
Tue Apr 09 2019 07:10 PM
E
EdPruss  Offline
Shop Shark
Joined: Jun 2011
Posts: 2,672
Longmont, CO
One of the issues with crimping only, is corrosion from road water and dirt/salt. Once a crimped joint becomes intermittent, the hunt goes on. Remember, NO acid core solder!

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
Re: Solder or just crimp? [Re: Matt_Texas] #1306746
Thu Apr 11 2019 05:52 PM
Thu Apr 11 2019 05:52 PM
M
Matt_Texas  Offline OP
Shop Shark
Joined: Jun 2017
Posts: 176
Odessa
Ok, after reading several different forums, sites, rants etc on this topic I'm going to go with just a good quality crimp.

I think I have the tools narrowed down.

How do you guys feel about the Klein 1005 or 1006? and do I need a Jaw style crimper for plug terminals?

Double walled heat shrink sounds like the best and I have a new heat gun for them too.

I'm not familiar with all the different brands of terminals and connectors.... what should I look for?

Re: Solder or just crimp? [Re: Matt_Texas] #1306750
Thu Apr 11 2019 07:12 PM
Thu Apr 11 2019 07:12 PM
G
Gord&Fran  Offline
Shop Shark
Joined: Jul 2000
Posts: 566
Mill Bay, BC, Canada
Get a ratcheting crimper. Watch this video: https://www.youtube.com/watch?v=kjSGCSwNuAg


Gord
----
1954 1/2 ton 235 4 speed
Re: Solder or just crimp? [Re: Matt_Texas] #1306765
Thu Apr 11 2019 11:21 PM
Thu Apr 11 2019 11:21 PM
B
BC59  Offline
Shop Shark
Joined: Sep 2011
Posts: 498
N.E. Oregon
Duraseal Heat Shrink Wire Connectors is what G.M. has us use for wire to wire splices.


BC
1960 Chevy C10 driver
1949 GMC 250 project in waiting
Re: Solder or just crimp? [Re: BC59] #1310226
Fri May 10 2019 01:51 AM
Fri May 10 2019 01:51 AM
B
bztguy  Offline
Shop Shark
Joined: Jun 2010
Posts: 243
Oregon, IL
I do a combination of both. If it's a connection that's going to be exposed to harsh environment (water, road salt, grime, engine compartment) I solder it and apply NO-OX grease to the solder joint and then heat shrink it. If it's something simple like under the dash I crimp it.


1949 Chevy 3600
1975 W-25 Hurst Olds
1991 Chevy Silverado
1970 GMC 1/2 ton Fleetside

I'm a GM man!
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