Part Location Diagram of 90541380 DeWALT Switch
See part 17 in the diagram
( Grid squares measure 1x1 inch )

Switch 90541380

Manufactured by:
DeWALT
ERP Number:
ERP10022803
Part Number:
90541380
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(13 rated repairs) ?

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Product Description

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This authentic OEM sourced replacement switch is produced for use with Black and Decker and Dewalt hedge trimmers. Its function is to allow user to turn the equipment on and off. Because switches use mechanical internals, they will degrade and wear out eventually requiring replacement. Please note one durable plastic switch is included per order.

Troubleshooting

This part works with the following brands:
  • Black and Decker
  • Craftsman
  • DeVilbiss
This part works with the following products:
  • Hedge Trimmer
Part# 90541380 replaces these:
  • 90541380
  • P90541380

Customer Part Reviews

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4.9
Average Rating (out of 5):
★★★★★
★★★★★
(8 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.

Easy 

15 - 30 mins 

(13 rated repairs) ?
  • 1
  • 2
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The switch stopped working

Scott from Peoria, Arizona

5 of 5 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
90541380
1) Removed the screws to the handle, the guide, and the casing.
2) Slowly pulled apart
3) Compared new switch to old switch to make sure correct part and the direction it goes in.
4) Removed old switch and unplugged it one wire at a time and connected them to the new switch as I removed them (only two wires).
5) Pu t the new switch in place.
6) Put the casing back together, the guide, and the handle.
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Switch was broken

James from Bel Air, Maryland

4 of 4 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
90541380
Upon receiving the replacement switch I installed the new switch in just few seconds. It was easy to replace the switch, but took some time to put the case back together. The trimmer is working great and I did not have to throw it away and buy another. The part was a perfect fit.
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Hedge trimmer was \"dead\"

John from Westlake Village, California

3 of 3 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers
Parts Used:
387542-00, 90541380
Following your guidelines to diagnose the problem, ordered the parts (brushes and switch).
Remove screws holding 2 halves of the body together. Separate the 2 plates, exposing the motor. Carefully pull out the end portion of the light springs holding the brushes in their channel with a fine tweezer. Remove the brushes utilizing gra vity (tip motor and tap gently). Place new brushes into in their channels and reposition the holding springs onto the ends of each brush. Lift the switch off its plastic \"pillars,\" remove wires connected to it. Attach wires, as before, to new switch and slip new switch back into place. Screw 2 halves of the plastic body back together.
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Hedge trimmers would not shut off

david from Mount Holly Springs, Pennsylvania

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
90541380
Removed side of trimmer & removed old switch & install the new one, reinstalled side.
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On-off switch started failing and then stopped working.

Bob from North Saint Paul, Minnesota

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
90541380
1 Received new switch from Replacement Parts (wasn\'t sure that I could get one).
2. Removed about 12 screws holding the trimmer together.
3. Removed old switch and inserted new (electrical connections made it easy).
4. Put screws back in.
5. Tested trimmer and it worked great!
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BMD hedgehog would not start and run.

William from Exton, Pennsylvania

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
90541380
Made sure the hedgehog was unplugged. Removed the eight or 10 screws with a flat screwdriver. Took a picture of the components so I would know how they fit in case they shifted around. Removed the old switch and inserted the new switch. I was going to also replace the brushes, but it looked a little tedious so I reassembled and it started right up and ran beautifully. So I have two brushes in my inventory should I need them in the future. Received parts in five days and I am ready for summer trimming. 15 min job. Thank you!!!!
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broken safety switch

Gerald from INVERNESS, Florida

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Screw drivers
Parts Used:
90541380
disassembled hedger
removed broken switch
observed common wire from electric plug in detached
soldered common wire onto brush commutator
greased and cleaned hedger while disassembled

in ordering parts brushes (plural) ordered, seller delivered brush (singular) not a pair of brushes, so installed old br ushes and did not use the 1 new brush delivered. in the future, if I do this repair again will cut out switch, solder wires together and fabricate replacement brushes from a piece of carbide
all in all repair easy but did not expect broken wire --- trimmer running perfect like new
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Hedge Hog 24\" trimmer was intermittent when running and stopped operating when shifted up and down.

Thomas from fairfield, Connecticut

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
387542-00, 90541380
I opened the plastic case with Phillips and Torx drivers;
I noted the two severely worn brushes and a broken wire from the switch to the armature -- resoldered it. I found that sometimes the switch worked properly and sometimes it didn\'t. I replaced both brushes (first raising the small brass retainer springs) and replaced the sw itch and then reassembled the case and had the same intermittent running problem as before when the unit was turned, shifted and extended during use.

I then opened the unit again and carefully studied the pig-tail power cord. I used my volt/ohmmeter to find an intermittent short in continuity due to a broken white wire in the cord. I removed the old power cord, inserted the new power cord, attached the black wire to the switch. I shortened and stripped the end of the original white wire to the armature winding wire and then used a small wire nut to connect the two ends of the white wires in the handle and reassembled the unit. It works perfectly now without any problems.
Thanks for your videos and informative website.
Tom S.
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The hedge trimmer motor quit working when attached to an electrical resource

James from FERDINAND, Indiana

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
90541380, 330019-04
*Remove all the screws from the external casing.
*With a small screw driver pry the old switch off of the two plastic prongs that hold the old switch in place. This is a delicate process for you do not want to break of the plastic prongs.
*Detach the two electrical wires that connect to the old switch
*Reattach these tw o wires to the new switch.
Reinsert the new switch onto the plastic prongs
Re-insert all casing screws.
Task completed.
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switch housing broke

Jay from Midland, Texas

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Wrench set
Parts Used:
90541380
Removed about 10 T11 screws from the body to expose the internal parts, saw switch housing was broken so ordered a replacement, connected the new switch to the 2 wires and reattached the 10 T11 screws.
I filled the edge of the safety trigger release so the switch had a smoother slide to turn on.
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Model Cross Reference

This part works with the following models:
ERP Number: ERP10022803
Manufacturer Part Number: 90541380
Brand Model Number Description
DeVilbiss 51221 Hedge Trimmer - 18 Hedge Trimmer
DeVilbiss 51222 Hedge Trimmer - 20 Hedgetrimmer
DeVilbiss 51524 Hedge Trimmer - 18 Hedge Trimmer
DeVilbiss 51525 Hedge Trimmer - 20 Hedgetrimmer
Black and Decker 79951 Hedge Trimmer - 18 Hedge Trimmer
Black and Decker 79952 Hedge Trimmer - 20 Hedge Trimmer
Black and Decker 79955 Hedge Trimmer - 22 Hedge Trimmer
Black and Decker 79973 Hedge Trimmer - 18 Hedge Trimmer
Black and Decker 79974 Hedge Trimmer - 20 Hedge Trimmer
Black and Decker 79975 Hedge Trimmer - 22 Hedge Trimmer
Craftsman 900799510 Hedge Trimmer - Hedge Trimmer
Craftsman 900799520 Hedge Trimmer - Hedge Trimmer
Craftsman 90079973 Hedge Trimmer - Hedge Trimmer
Craftsman 90079974 Hedge Trimmer - Hedge Trimmer
Craftsman 90079975 Hedge Trimmer - Hedge Trimmer
Black and Decker HH2400 Hedge Trimmer - 24 In. Hedge Hog Hedge Trimmer
Black and Decker HH2400LW Hedge Trimmer - 24in Hedge Hog
Black and Decker HH2450 Hedge Trimmer - Hedge Trimmer
Black and Decker HH2455 Hedge Trimmer - 24in Hedge Trimmer w/Rotating Handle
Black and Decker HS1010 Hedge Trimmer - 20" Hedge Hog Dual Action Hedge Trimmer
Black and Decker HS1012 Hedge Trimmer - 22 Hedge Hog
Black and Decker HS2400 Hedge Trimmer - 24 Hedge Trimmer
Black and Decker HT022 Hedge Trimmer - 22" Electric Dual Action Hedge Trimmer
Black and Decker HT2000 Hedge Trimmer - 20 Hedge Trimmer
Black and Decker HT2200 Hedge Trimmer - 22 Hedge Trimmer
Black and Decker HT22D Hedge Trimmer - 22 Hedge Trimmer
Black and Decker TR1400 Hedge Trimmer - 14 Hedge Trimmer
Black and Decker TR1600 Hedge Trimmer - 16 Hedge Trimmer
Black and Decker TR1700 Hedge Trimmer - 17" Hedge Trimmer
Black and Decker TR1800 Hedge Trimmer - 18" Hedge Trimmer