MNJWS Headlight Dimmer Switch for 2003-2006 Chevy/GMC/Cadillac (Direct-Fit, Replaces 19381535)

MNJWS replacement headlight dimmer switch restores full lighting control for compatible 2003–2007 GM trucks and SUVs.

If the headlight knob in your Chevy, GMC, Cadillac, or Hummer has become intermittent, loose, or stopped controlling the headlights and dash illumination, this MNJWS headlight switch provides a direct-fit replacement engineered to match the original mounting and connector layout. It’s made to replace common GM part numbers like 19381535, 15194803 and aftermarket ACDelco D1595G for a straightforward swap without wiring changes.

Will this switch fit my Silverado, Sierra, Tahoe, Yukon, Suburban, Avalanche, Escalade, or H2?

This unit was designed to be compatible with a wide range of GM models from the early–mid 2000s. Check the model years and dash location of your existing switch to confirm fit before ordering.

• Fits 2003–2006 Chevy Silverado and GMC Sierra, plus 2007 Silverado/Sierra Classic.
• Compatible with 2003–2006 Chevy Tahoe, Suburban (1500/2500), Avalanche (1500/2500), GMC Yukon, and Cadillac Escalade.
• Also fits 2003–2007 Hummer H2 applications listed by the manufacturer.
• Replaces OEM and common aftermarket numbers: GM 19381535, 15194803 and ACDelco D1595G.

How straightforward is installation and do I need special tools?

Installation is intended to be a simple, bolt-and-plug swap for owners comfortable with basic dash work. The switch matches the OEM connector and mounting holes so no splicing is required in most cases.

• Remove the trim panel on the left of the instrument cluster to access the switch socket.
• Unclip the factory connector and remove the retaining screws or clips holding the switch.
• Plug the MNJWS switch into the factory harness and secure with the original fasteners.
• No wiring modifications needed when used as a direct replacement for the listed part numbers.

What functions and controls does this replacement support?

This switch controls exterior headlights, interior dash dimming, and panel/dome lighting as the original unit did. It reproduces the range of functions drivers expect from the dash-mounted headlight control.

• Normal and parking light positions plus headlight on/off operation.
• Dash and instrument panel dimmer control to adjust interior illumination level.
• Door panel and dome light control circuits integrated per original design.
• Engineered to match OEM electrical interface for reliable operation.

What warranty and support come with the MNJWS headlight switch?

Every switch ships with a one-year warranty and customer support from MNJWS to resolve fitment or operation questions. If you encounter problems, contact the seller so they can help troubleshoot or arrange a replacement.

• Includes one (1) MNJWS headlight switch and 12 months warranty coverage.
• Manufacturer support available for installation or compatibility questions.
• Designed to meet or exceed OEM quality despite being an aftermarket part.

Who is this for: This replacement unit is intended for owners and technicians working on 2003–2007 GM full-size trucks and SUVs who need a direct-fit headlight control without altering factory wiring. It’s useful for DIY mechanics replacing a worn or non-functioning switch, fleet maintenance teams keeping long-lived vehicles on the road, and anyone restoring dash control functions to original performance levels.