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Product Description
?This Trigger switch has 4 terminals and a locking mechanism for the switch. This genuine Makita replacement part is sold individually. Switches are commonly replaced parts in tools. A switch handles on/off and variable speed operations. They also have a role in electric breaking; they can momentarily reverse electrical polarity. Because switches use mechanical internals, they will degrade and wear out over time, eventually needing replacement. Some common signs of a broken or failing switch are as follows: • The tool has completely stopped functioning • it will not start. • The tool operates intermittently, requiring multiple tries to turn on, until eventually it won't start at all. • The variable speed function and electric braking aren't working properly.
Frequently Purchased Together
?Troubleshooting
- Makita
- Angle Grinder
Videos For installing this part.
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Customer Part Reviews
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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.
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Switch stopped working
Bert from Oskaloosa, Iowa
switch was broken
Craig from Sterling, Alaska
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 651128-3
Trigger lock on my grinder is visibly broken. Also replace cracked electrical cord.
Barry from Casper, Wyoming
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
Switch bad on grinder
Wayne from Alfred, Maine
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
- Parts Used:
- 651128-3
Broken switch.
David from OTTAWA, Kansas
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 651128-3
2. Removed the broken switch.
3. Installed the new one.
4. Put on the new cord while replacing the switch.
5. Just had to crimp the new wire connectors on the new power cord.
Switch would not turn off grinder
Michael from Portola, California
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
- Parts Used:
- 651128-3
Trigger switch would not function easily, also the brushes were worn down to where there there was no spring pressure.
Patrick from Lookout, California
Trigger was broken
Richard from Murphysboro, Illinois
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Screw drivers
- Parts Used:
- 651128-3
Remove the switch and cord clamp
Make a wiring diagram, if needed
Disconnect the wires from the old switch
Connect the wires to the new switch
Install the new switch and cord clamp
Install the handle assembly
I stepped on the trigger and broke it.
Gordon from Aransas Pass, Texas
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
- Parts Used:
- 651128-3
Remove the switch and cord clamp
Remove the wires from the old switch
Connect the wires to the new switch
Attach the switch to the handle
Install the cord clamp
Replace the handle halves
Broken trigger switch
Ken from BELTON, Texas
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Nutdriver, Screw drivers
- Parts Used:
- 651128-3
Removes wires from switch
Replaced wires
Replaced housing with 6 screwswent to work grinding
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.