Part Location Diagram of 23-66-2190 Milwaukee Switch
See part 7 in the diagram
Replacing your Milwaukee Nibbler & Shears Switch
( Grid squares measure 1x1 inch )

Switch 23-66-2190

Manufactured by:
Milwaukee
ERP Number:
ERP10123742
Part Number:
23-66-2190
Original Equipment Manufacturer ?
  Works with your model  5192!
On Order

Easy 

Less than 15 mins 

(1 rated repair) ?
  Works with your model   5192!

Product Description

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This part is an OEM from Milwaukee. The switch is composed of metal, wiring and plastic, and is compatible with many grinders, shears and nibblers. This item is often fitted into the motor housing and left brush holder, allowing the operator to (de)activate the tool. The switch is sold individually. Pliers and a screwdriver are necessary for the proper replacement. Please refer to the specific manual for further repair instructions.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Milwaukee
This part works with the following products:
  • Nibbler & Shears
  • Sander Grinder

Videos For installing this part.

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Replacing your Switch

Customer Part Reviews

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Customer Repair Instructions

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Easy 

Less than 15 mins 

(1 rated repair) ?
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Switched Failed on Milwaukee 5192 Die Grinder

Paul from Georgetown, Texas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
23-66-2190
To replace the switch on these units is fairly easy to do as long as you are comfortable crimping wires. The screws themselves can either take a flat blade screwdriver or a T20 torx driver (preferable). You will need two (2x) closed end splices. You can get these from Home Depot SKU #298233 (pack of 10x).

1- Remove the thr ee (3x) screws near the power cable on the backside of the unit. This will allow access to the switch and brushes.
2- Slide the old switch out of the housing and cut the two wire crimps that are attached to the switch leads.
3- Crimp the new switch wires back into place where the old switch was connected. This is a SPST switch so it doesn\'t matter which wire goes where, just get them both attached.
4- Slide the new switch back into the housing. The switch has a cutout that aligns with the tab in the grinder\'s housing to ensure proper orientation. Ensure the wires are pressed back into the housing so they won\'t be pinched by the back cover or the motor. The switch is actually held in place by the back cover so it will still be loose until that is replaced.
5- Replace the back cover and reinsert the three (3x) screws removed in step 1.
6- At this time you can plug the die grinder into the wall to ensure properly switch function.

Happy Grinding!
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Model Cross Reference

This part works with the following models:
ERP Number: ERP10123742
Manufacturer Part Number: 23-66-2190
Brand Model Number Description
Milwaukee 5192 Sander Grinder - Grinder
Milwaukee 5192-2 Sander Grinder - Grinder
Milwaukee 6105 Bandfile - Band File
Milwaukee 6805 Nibbler & Shears - 16 Gauge Shear
Milwaukee 6805-2 Nibbler & Shears - Milwaukee 6805-2-(709b) Parts
Milwaukee 6815 Nibbler & Shears - 14 Gauge Shear
Milwaukee 6815-2 Nibbler & Shears - Shear
Milwaukee 6880 Nibbler & Shears - 10 Gauge Nibbler
Milwaukee 6880-2 Nibbler & Shears - Nibbler