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Wiring dsub connectors

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alansbarnett(at)verizon.n
Guest

Posted: Mon Oct 14, 2019 10:52 pm Post subject: Wiring dsub connectors

I'm replacing a Narco AT150 transponder with a Stratus ES.?? The wires 

running to the Narco, which uses?? are 18 gauge wires and Molex 

connectors.?? The Stratus specifies 22 gauge and dsub connectors, but I'm 

sure bigger wire is OK.



The problem is crimping the wires.?? I bought a Daniels AFM8 crimping 

tool five years ago when I installed a Garmin GNS 430.?? I have the 

positioner for 22 gauge wire, but I've lost the positioner for the 18 

gauge wire.?? My question is: should I crimp the dsub pins onto 22 gauge 

wire and solder the wires to the 18 gauge wires, or spend $50 on a new 

positioner (which one? it's hard to tell from the catlogs I've looked 

at) so I can crimp the pins directly onto the 18 gauge wires?



Alan

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user9253

Joined: 28 Mar 2008
Posts: 1908
Location: Riley TWP Michigan

Posted: Tue Oct 15, 2019 3:56 am Post subject: Re: Wiring dsub connectors

Either soldering or crimping is perfectly OK.  Yes, soldering will stiffen wire.  But that is OK as long as the wire is well supported, which it will be inside of a D-Sub back-shell with wire clamp.

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_________________
Joe Gores

nuckolls.bob(at)aeroelect
Guest

Posted: Tue Oct 15, 2019 12:05 pm Post subject: Wiring dsub connectors

At 01:42 AM 10/15/2019, you wrote:

  	  Quote: 	
		  --> AeroElectric-List message posted by: Alan Barnett <alansbarnett(at)verizon.net>



 I'm replacing a Narco AT150 transponder with a Stratus ES.?? The wires running to the Narco, which uses?? are 18 gauge wires and Molex connectors.?? The Stratus specifies 22 gauge and dsub connectors, but I'm sure bigger wire is OK.



 The problem is crimping the wires.?? I bought a Daniels AFM8 crimping tool five years ago when I installed a Garmin GNS 430.?? I have the positioner for 22 gauge wire, but I've lost the positioner for the 18 gauge wire.?? My question is: should I crimp the dsub pins onto 22 gauge wire and solder the wires to the 18 gauge wires, or spend $50 on a new positioner (which one? it's hard to tell from the catlogs I've looked at) so I can crimp the pins directly onto the 18 gauge wires? 	


   That 18AWG citation for the Narco was

   overkill. A number of manufacturers have

   called out some rather 'conservative'

   wire sizes for their DC input pins . . .

   a practice that I don't really understand.



   None the less, upgrade situations like

   you've encountered do present a problem.

   I'd splice 22AWG pigtails on the ends of

   your 18AWG just before they drop into

   the D-sub. This po' boy's solder sleeve

   technique works good . . . lasts a long time.



  https://tinyurl.com/c5v2xvm



 

 

   Bob . . .

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