2X Door Courtesy Light Switch 8423160070 Key benefits Restores proper dooropen detection so interior courtesy lights and door chimes work reliably. Prevents battery drain caused by a stuck or failed door switch by ensuring lights turn off when doors are closed. OEMstyle replacement designed to match fit and function for vehicles that use part number 8423160070. What this part does This door courtesy light switch detects the open/closed state of a vehicle door and signals the interior lighting and warning systems. When installed in the door jamb, the plunger engages as the door closes and releases when the door opens, enabling the courtesy light and related alerts. Included Two (2) door courtesy light switches, model 8423160070. Key attributes Functionality: Door position detection for interior courtesy lights and chimes. Compatibility: Direct replacement for applications that use part number 8423160070. Confirm fit for your vehicle by matching this part number with your existing switch. Construction: Durable plastic housing with a precision plunger and corrosionresistant electrical contacts for consistent performance. Size and fit: Compact, doorjamb style switch intended as a plugin or simplereplacement component; designed to match factory mounting and connector arrangement for vehicles using this part number. Performance: Reliable, repeatable switching action to restore normal lighting and warning behavior. Installation notes Simple swap—remove the door panel or access the jamb area, disconnect the electrical connector, remove the old switch, and install the replacement. Basic hand tools required. Always confirm the vehicle's part number before and disconnect the battery when performing electrical work to avoid short circuits. Use cases a failed door switch that leaves interior lights on after the door is closed, helping prevent battery drain. Restore the dooropen warning chime and courtesy light operation after a switch has worn out or become intermittent. Keep a spare on hand for fleet or workshop maintenance to quickly vehicles that use part number 8423160070. Notes Verify compatibility by checking that your vehicle uses part number 8423160070. This listing contains two replacement switches (2X).