{"product_id":"dorman-901-991-4wd-switch","title":"Dorman 901-991 4WD Switch","description":"\u003ch2\u003eReliable 4WD Switch for Hummer H2 Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 901-991 4WD switch is designed specifically for Hummer H2 models, providing dependable electrical operation for your vehicle's four-wheel drive system. Featuring a matte finish and durable plastic housing, this switch ensures consistent performance in the center console area.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMatte finish for a subtle, non-reflective appearance\u003c\/li\u003e\n\u003cli\u003eElectrical operation type for seamless 4WD engagement\u003c\/li\u003e\n\u003cli\u003ePlastic housing material for lightweight durability\u003c\/li\u003e\n\u003cli\u003eBlade terminal type with 4 or 8 terminals for secure connections\u003c\/li\u003e\n\u003cli\u003eRectangular female connector shape for proper fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with Hummer H2 center console mounting location\u003c\/li\u003e\n\u003cli\u003eNo lead wires or wiring harness included, designed for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 901-991 4WD switch is engineered to meet the electrical requirements of the Hummer H2's four-wheel drive system. Its matte finish reduces glare and blends with the vehicle's interior, while the plastic housing offers resistance to wear and environmental factors. The switch features blade-type terminals and a rectangular female connector, ensuring a secure and reliable electrical connection. With 4 or 8 terminals available, this switch supports the necessary wiring configurations without the need for additional lead wires or harnesses. It is intended for installation in the center console, matching the original equipment location for straightforward replacement.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper 4WD engagement when the original switch fails\u003c\/li\u003e\n\u003cli\u003eEliminates intermittent electrical connection issues in the 4WD system\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged switches with a compatible OEM-style part\u003c\/li\u003e\n\u003cli\u003eAddresses non-responsive or stuck 4WD switch problems\u003c\/li\u003e\n\u003cli\u003eImproves driver control over four-wheel drive activation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eThis 4WD switch is designed for direct replacement in the Hummer H2 center console. No additional mounting hardware or wiring harness is included, so retain original components during removal. Ensure the vehicle's electrical system is powered off before installation to prevent damage. Verify terminal connections match the original switch to maintain proper function. Professional installation is recommended if unfamiliar with vehicle electrical systems.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 901-991 4WD switch undergoes quality inspections to ensure reliable operation in Hummer H2 vehicles. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52111219818677,"sku":"BKKY-901-991","price":83.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_901991_Fro.jpg?v=1775160484","url":"https:\/\/www.partcatalog.com\/products\/dorman-901-991-4wd-switch","provider":"PartCatalog","version":"1.0","type":"link"}