{"product_id":"dorman-901-142-headlight-switch","title":"Dorman 901-142 Headlight Switch","description":"\u003ch2\u003eReliable Headlight Switch for Select GM Trucks and SUVs\u003c\/h2\u003e\u003cp\u003eThe Dorman 901-142 headlight switch is designed to provide consistent and precise control over your vehicle's lighting system. Engineered for compatibility with various Cadillac, Chevrolet, GMC, and Hummer models, this switch ensures proper operation of headlights, park lamps, and interior lighting functions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-volt rotary headlight switch with 4 switch positions\u003c\/li\u003e\n\u003cli\u003eBlack plastic knob included for easy operation\u003c\/li\u003e\n\u003cli\u003eCenter mounting position with clip mounting type\u003c\/li\u003e\n\u003cli\u003eIlluminated switch for visibility in low light conditions\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple lighting functions including auto, dimmer, DRL, headlamp, park lamp, and interior lamp defeat\u003c\/li\u003e\n\u003cli\u003e14 male terminals with one female connector for secure electrical connections\u003c\/li\u003e\n\u003cli\u003eDurable plastic housing designed for automotive environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 901-142 headlight switch features a rotary design with four distinct positions, allowing drivers to control various lighting functions such as automatic headlights, dimmer settings, daytime running lights (DRL), park lamps, and interior lamp defeat. The switch operates on a 12-volt system and includes a black plastic knob that is both durable and ergonomically designed for smooth rotation. Its center mounting position and clip mounting type facilitate straightforward installation in compatible vehicles.\u003c\/p\u003e\u003cp\u003eWith 14 male terminals and a single female connector, this switch ensures reliable electrical connectivity without the need for attached lead wires or wiring harnesses. The illuminated feature enhances visibility during nighttime driving or low-light conditions, improving user experience and safety. The plastic housing provides resistance to wear and environmental factors common in automotive applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCadillac Escalade, Escalade ESV, Escalade EXT\u003c\/li\u003e\n\u003cli\u003eChevrolet Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 2500, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500, Sierra 2500, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003eHummer H2\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis headlight switch is specifically designed for use in these models, ensuring proper fitment and function.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Headlight Switch\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIntermittent or non-functioning headlights\u003c\/li\u003e\n\u003cli\u003eFailure of park lamps or daytime running lights to activate\u003c\/li\u003e\n\u003cli\u003eInoperative interior lamp defeat function\u003c\/li\u003e\n\u003cli\u003eMalfunctioning automatic headlight control\u003c\/li\u003e\n\u003cli\u003eDamaged or worn rotary switch knob\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires removal of the existing headlight switch from the center mounting position. The clip mounting type allows for secure attachment without additional hardware. Ensure the vehicle's battery is disconnected before installation to prevent electrical shorts. Verify terminal connections match the original switch to maintain proper function. No wiring harness or mounting hardware is included, so retain original components for reinstallation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this headlight switch to meet or exceed OEM specifications for fit, form, and function. The switch is constructed with durable plastic housing and terminals designed for long-term reliability in automotive environments. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52111218999477,"sku":"BKKY-901-142","price":56.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_901142_Fro.jpg?v=1775160477","url":"https:\/\/www.partcatalog.com\/products\/dorman-901-142-headlight-switch","provider":"PartCatalog","version":"1.0","type":"link"}