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20352114 - Tweco 4-Pin Control Plug for Miller MIG Guns

Packaging: pack of 1
$215.62/EA $135.72/pack of 1 only $135.72/EASave 37%

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OVERVIEW

Fix Your Trigger Connection Fast

There is nothing worse than pulling the trigger on your MIG gun and getting nothing but silence. Often, the culprit isn't the gun itself, but a smashed or frayed control plug where it connects to the machine. The Tweco 2035-2114 Control Plug Assembly is the standard replacement part you need if you are running a Tweco-style gun on a Miller welder. This is the classic 4-pin "Amphenol" style plug that screws onto the front of most Miller wire feeders to tell the machine when to feed wire and energize the contact tip.

This kit comes with everything you need to replace a broken plug or put a new end on a control cable. It includes the hard plastic shell, the insert, the pins, and the cable clamp. The housing is built tough to survive getting stepped on or dragged across the shop floor, which we all know happens. The threaded locking ring ensures it stays tight against the machine, so you don't lose connection in the middle of a bead. If your current plug is taped together or has exposed wires, it's time to swap it out before it shorts out your board or stops working entirely.

Wiring it up is standard procedure—usually, you only use two of the four pins for the trigger circuit on a standard MIG setup, but the 4-pin housing is required to fit the Miller receptacle. It's a smart part to keep in your spare parts bin because plastic plugs are often the first thing to break when a machine gets moved or a cable gets yanked too hard. Get your rig back up and running with a solid connection that won't let you down.

Practical Features

  • Fits Miller Feeders: Matches the standard 4-pin trigger port found on most Miller shop machines.
  • Complete Kit: Comes with the shell, pins, and strain relief clamp.
  • Field Repairable: easy to solder or crimp new connections to get back to work.
Additional Information
Brand:Tweco
Packaging Description:1 Per Ea
Product Type:Control Plug Assembly
Compatible Brand:Miller
Connection Type:4-Pin Amphenol Style
Application:MIG Gun Trigger Connection

INCLUDED

  • 1 x Connector Plug Shell
  • 1 x Cable Clamp/Strain Relief
  • Required Pin Contacts
  • Assembly Hardware

APPLICATIONS

  • Connecting Tweco MIG guns to Miller wire feeders
  • Repairing damaged trigger control plugs
  • Retrofitting MIG guns for Miller compatibility
  • General industrial MIG welding setups

FAQ

This plug is designed for Miller wire feeders and welders that utilize a standard 4-pin Amphenol-style trigger receptacle.

Yes, the assembly typically includes the necessary pin contacts required to terminate the trigger wires.

This is strictly for the trigger control leads (the small wires). The welding power flows through the separate brass power pin or lug.

The pins are generally designed to be soldered to the trigger lead wires for the most secure electrical connection.

No, Lincoln welders typically use a different plug configuration (often 5-pin or a different style). This is specific to Miller 4-pin setups.

The internal Tweco part number is 2035-2114.

The outer shell is made of high-impact durable plastic, which is standard for these control connectors to prevent shorting.

Usually, standard MIG gun triggers only utilize 2 of the pins to close the circuit, but the 4-pin housing is required to mate with the machine's receptacle.