ACDelco Door Jamb Switch Gold D6088 (19021203) — Replacement Interior Light Switch, OEM-fit Durable

The ACDelco Gold D6088 (19021203) Door Jamb Switch is a premium aftermarket replacement that automatically controls interior lighting when vehicle doors open and close.

This ACDelco Professional door jamb switch is built as a high-quality replacement part engineered to match original-equipment fit, form, and function. Designed for a wide range of vehicles, the Gold D6088 restores reliable on/off operation of dome and courtesy lights, helping maintain convenience and visibility inside the cabin. It’s manufactured to ACDelco standards for durability and dependable electrical contact, making it a straightforward swap for worn or damaged switches.

How does the D6088 restore interior lighting function?

When the door is opened or closed, the switch completes or breaks the circuit that powers your interior lights. Replacing a faulty jamb switch with the ACDelco Gold D6088 returns consistent electrical contact and prevents lights from staying on or failing to illuminate.

• Direct replacement for many vehicle applications
• Reliable mechanical action for consistent switching
• Engineered to match OEM electrical connections and mounting points

What makes this ACDelco switch a premium aftermarket option?

The Gold line is positioned as a professional-grade aftermarket product with materials and tolerances intended to meet or exceed common aftermarket standards. ACDelco’s quality control and engineering focus on durability and predictable operation so the part performs like the original equipment it replaces.

• Professional-grade construction for long service life
• Designed for proper fit, form, and function with compatible vehicles
• Backed by ACDelco’s reputation for dependable electrical components

How do I install the D6088 door jamb switch?

Installation is typically straightforward: remove the trim or access panel exposing the switch, disconnect the electrical connector, unfasten the switch, and install the new unit in reverse order. Basic hand tools are usually sufficient, but consult your vehicle’s repair manual for model-specific steps and torque values.

• Disconnect battery if working near electrical systems for safety
• Remove trim or retainer clips to access the switch mounting
• Swap switch and confirm secure connector engagement and correct operation

Will this switch fit my car?

The ACDelco Gold D6088 (part number 19021203) fits a range of vehicles; compatibility depends on your vehicle’s make, model, and year. Verify fitment with your vehicle’s parts catalog or provide your VIN to confirm this part matches the factory specification.

• Check vehicle-specific fitment tools or parts lists before ordering
• Compare mounting style, connector type, and dimensions to the original part
• Part number 19021203 corresponds to the D6088 Gold door jamb switch

Who is this for: The ACDelco Gold D6088 is intended for DIY mechanics, professional technicians, and vehicle owners who need a reliable replacement for a failing or worn door jamb switch. If your dome light stays on, fails to turn on when a door opens, or the existing switch shows signs of wear or corrosion, this premium aftermarket option provides an engineered match to factory performance without complicated modifications.