GM GENUINE PARTS Headlamp & Dome Light Switch 19381535 — OE-fit, Instrument Panel Dimmer

This multi-function switch from GM GENUINE PARTS replaces the headlamp, instrument panel dimmer, and dome lamp switch with a component engineered for correct fit and reliable operation. Designed as an OE-style replacement, it restores the original control layout and user experience, maintaining compatibility with the vehicle's electrical and lighting systems. The unit is built to match the mechanical dimensions and electrical connections of the original part so installation is straightforward for technicians and experienced DIYers.

How does this switch restore lighting control?

The 19381535 switch reestablishes the three primary functions—headlamp activation, dash/instrument panel brightness control, and dome light operation—using the factory mounting points and connector designs. It ensures each circuit engages as intended without needing wire modifications or adapters.

• Direct-fit replacement for the original switch assembly
• Preserves factory knob and lever positions for intuitive use
• Compatible with the vehicle’s existing wiring harness and mounting bracket

What are the performance and durability features?

Manufactured to match OEM expectations, this switch uses quality materials and precise manufacturing tolerances to deliver dependable switching over repeated cycles. It’s suited to the thermal and electrical demands typical of vehicle lighting circuits.

• Durable contacts and housing built for frequent operation
• Meets fit, form, and function standards for reliable performance
• Resistant to vibration and normal cabin temperature changes

How easy is installation and what should I expect?

Installation is intended to be a straightforward swap: remove the old switch from the dash, unplug the harness, plug in the new unit, and refasten. No custom wiring or special tools are generally required beyond basic dash-panel removal items.

• Plug-and-play connector matches the factory harness
• Uses existing mounting points to maintain dash alignment
• Recommended for technicians or experienced DIY installers

Will this switch work with my vehicle’s systems?

Designed as a GM Genuine Parts replacement, the 19381535 is intended for specific GM vehicle models that originally used this switch. Verify part cross-reference or VIN fitment to ensure compatibility before purchasing.

• Intended for compatible GM vehicles that used the OEM part number
• Maintains compatibility with lighting, instrument dimming, and dome circuits
• Check vehicle-specific fitment guides or dealer parts lookup for confirmation

Who is this for: The GM GENUINE PARTS 19381535 switch is made for vehicle owners, independent repair shops, and fleet maintenance teams who need an OEM-style replacement for headlamp, instrument panel dimmer, and dome light controls. It suits anyone seeking a like-for-like replacement to restore original functionality without altering the vehicle’s wiring or dashboard aesthetics.