Standard Ignition CBS-1721 Headlight Dimmer Switch

Brand Standard Ignition CBS-1721
Attachment Method Bolt On
Color Black, White,Yellow
Connector Gender Male
Connector Shape Rectangular
Contents Switch
Cruise Control Cancel Included No
Cruise Control On/Off Operator Inc No
Cruise Control Resume Included No
Cruise Control Set Included No
Cruise Control Speed Adjustment In No
Displayed Yes
Finish Plastic
Fog Light Operator Included No
Functions Headlights, Turn Signal, Hazard Light, Windshield Wiper, Windshield Washer, Clockspring
Hardware Included No
Indicator Markings Included Yes
Latching High Beam Operator Includ Yes
Lighting Controls Included Headlights; High Beams
Main Light Operator Included Yes
Momentary High Beam Flasher Includ Yes
New or Reman New
Number Of Connector Cavities 6
Number Of Wiper Delay Settings 1
Number Of Wiper Speed Settings 3
Rear Window Washer Spray Included No
Rear Window Wiper Delay Control In No
Rear Window Wiper Speed Setting In No
Running Light Operator Included No
Terminal Gender Female
Terminal Type Blade; Pin
Turn Signal Control Included Turn Signal Control
Turn Signal/Directional Indicator Yes
Voltage 12
Windshield Washer Spray Included Yes
Windshield Wiper Delay Setting Inc Yes
Windshield Wiper Speed Setting Inc Yes
Wiper Control Options Included Windshield on/off; Mist
Wire Length (in) 25.25
Wire Length (mm) 641.35
Fits Isuzu · 4 vehicles

Bolt-on installation. Direct-fit switch with no modifications needed.

Multi-function control. Handles headlights, turn signal, hazard light, and wiper functions.

Complete lighting control. Includes main light, high beam, and momentary flash functions.

Cross-references Standard Ignition CBS-1721, 8971331290 and DL7121 for the same application. See all 5.

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Headlight Dimmer Switch for Isuzu Trooper

Standard Ignition CBS-1721 is a new headlight dimmer switch assembly for select Isuzu Trooper models with the listed factory equipment. It combines lighting, turn signal, hazard, windshield wiper, and washer functions in one dual-lever multifunction switch layout.

Built with a bolt-on attachment method, a rectangular 5-pin male connector, and a plastic finish, this switch is made for direct replacement service on the specified vehicles. It is a practical choice when you need to restore headlight control, high-beam operation, and wiper/washer function on a 1996-1997 Isuzu Trooper.

Key Features

  • Standard Ignition CBS-1721 headlight dimmer switch
  • Fits 1996-1997 Isuzu Trooper, N/A, with the listed equipment
  • Dual lever multifunction switch assembly for lighting and wiper controls
  • Functions include headlights, turn signal, hazard light, windshield wiper, windshield washer, and clockspring
  • Includes main light operator, latching high beam operator, and momentary high beam flasher
  • Windshield wiper on/off, mist, delay, and speed settings included
  • 12-volt electrical design with 25.25-inch wire length
  • Black, white, and yellow finish with indicator markings included

Detailed Description

Standard Ignition CBS-1721 is a replacement headlight dimmer switch for select Isuzu Trooper applications that require a multifunction steering-column control. It supports headlight and high-beam operation along with turn signal, hazard, windshield wiper, and windshield washer functions, making it a direct service part for vehicles with the matching connector and wiring layout. This part cross-references Dorman (e.g., SW2526) for the same application.

Compatible With 1997 Isuzu Trooper, N/A, w/o Cruise Control; w/ Intermittent Wipers; Dual Lever Multifunction Switch Assembly. Compatible With 1996-1997 Isuzu Trooper, N/A, windshield wiper switch applications without cruise control and with intermittent wipers. Compatible With 1996 Isuzu Trooper, N/A, w/o Intermittent Wipers; w/o Cruise Control; Dual Lever Multifunction Switch Assembly. Standard Ignition CBS-1721 is also referenced by OE-style part numbers used in the same application.

Common Problems This Part Can Address

  • Inoperative or intermittent headlight dimmer control
  • High beams that do not latch or flash correctly
  • Turn signal or hazard switch failure at the steering column
  • Windshield wiper or washer controls that stop responding
  • Worn multifunction switch contacts causing inconsistent operation

Installation Notes and Tips

Verify the connector style, terminal count, and vehicle equipment before installation. This switch uses a bolt-on attachment method and a 5-connector male interface with blade and pin terminals, so matching the original harness and steering-column configuration is important. Confirm whether the vehicle is equipped with cruise control and intermittent wipers, since the fitment notes vary by model year and equipment package.

Quality Assurance

Standard Ignition supplies this part as a new replacement component for the specified applications. The switch is built with the listed electrical and connector specifications to support proper fitment on the covered Isuzu Trooper models.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1997IsuzuTrooperN/Aw/o Cruise Control; w/ Intermittent Wipers; Dual Lever Multifunction Switch Assembly
1997IsuzuTrooperN/AWindshield Wiper Switch fits vehicles without cruise control and with intermittent wipers.
1996IsuzuTrooperN/AWindshield Wiper Switch fits vehicles without cruise control and with intermittent wipers.
1996IsuzuTrooperN/Aw/o Intermittent Wipers; w/o Cruise Control; Dual Lever Multifunction Switch Assembly
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — CBS-17218971331290DL7121S14921SW2526