Part Location Diagram of 23-66-0605 Milwaukee Switch
See part 135 in the diagram
( Grid squares measure 1x1 inch )

Switch 23-66-0605

Manufactured by:
Milwaukee
ERP Number:
ERP10123537
Part Number:
23-66-0605
Original Equipment Manufacturer ?
$57.55
Special Order

A Bit Difficult 

15 - 30 mins 

(3 rated repairs) ?

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Product Description

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This is a genuine OEM sourced replacement part which is specially designed for Milwaukee power tools. The switch is a crucial component of the tool which allows a user to turn it on and off. Over time component will wear out and may begin to fail eventually requiring a replacement. Keep in mind this high-quality plastic body switch is sold individually. Make sure to refer to the appropriate diagrams of your model for the correct location and application of this item.

Troubleshooting

This part works with the following brands:
  • Milwaukee
This part works with the following products:
  • Cordless Drill
  • Hammer Drill

Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

A Bit Difficult 

15 - 30 mins 

(3 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

completely stopped hammering &/or drilling. thought battery not making contact.

Daniel from Atascadero, California

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
23-66-0605
Remove the battery and remove right half of pistol grip. Using a multi-meter on ohms or a continuity meter, test across switch terminals. If no reading, move reverse switch and try again. If no reading again, replace switch. If readings are obtained, check the wiring further; switch to brush and switch to battery terminals. Also, remove b rushes and check brushes and armature for carbon deposits. If only a quarter of brush remains, replace them and clean armature with fine emery cloth. Switches are a very common failure point but be aware, they are expensive on this Milwaukee tool so be certain it IS the switch. Reassemble, install battery and check for sparking at armature/brush contact. Very little or no sparks is good but redo the brushes and re clean armature if lots of sparking.
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No variable speed

Douglas from SEAGROVE, North Carolina

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Parts Used:
23-66-0605
1. Remove torx screws
2. Pull old tigger out
3. Un solder trigger
4. Solder new switch in
5. Replace switch
6. Replace cover and screws
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Intermittent power trigger switch.

Robert from Wendover, Utah

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
Parts Used:
23-66-0605
1. Removed the drill case.
2. Checked the voltage and the resistance to identify the problem was the trigger switch.
3. Ordered the new switch.
4. Desoldered the old switch.
5. Soldered 4 wires to the new switch.
6. Assembled the drill.
7. Went back to work.
8. Saved $250 by not buying a new drill .

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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10123537
Manufacturer Part Number: 23-66-0605
Brand Model Number Description
Milwaukee 0522-20 Cordless Drill - Driver/Drill
Milwaukee 0524-20 Cordless Drill - 18V 1/2" 34 Cordless Hammer Drill
Milwaukee 0622-20 Cordless Drill - Cordless Drill / Driver
Milwaukee 0624-20 Hammer Drill - Cordless Hammer Drill
Milwaukee 0625-20 Cordless Drill - 18 Volt 1/2" Lok-Tor II Driver-Drill
Milwaukee 0625-24 Cordless Drill - 18 Volt 1/2" Lok-Tor II Driver Drill
Milwaukee 0627-20 Hammer Drill - 18 Volt 1/2" Lok-Tor II Hammer Drill
Milwaukee 0627-24 Hammer Drill - 18 Volt 1/2" Lok-Tor II Hammer Drill