{"product_id":"dorman-645-780-fuel-pump-cut-off-switch-connector","title":"Dorman 645-780 Fuel Pump Cut-Off Switch Connector","description":"\u003ch2\u003eReliable Fuel Pump Cut-Off Switch Connector for GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 645-780 Fuel Pump Cut-Off Switch Connector is designed to provide a secure and efficient electrical connection for fuel pump cut-off switches. Engineered for compatibility with a wide range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models, this connector ensures reliable performance in critical fuel delivery systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWire gauge measurement: 20 AWG for optimal current handling\u003c\/li\u003e\n\u003cli\u003eFemale terminal type (Hembra) for secure connection\u003c\/li\u003e\n\u003cli\u003ePackage includes 1 switch connector and 3 butt connectors for installation\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM makes and models including Chevrolet Silverado, GMC Sierra, Pontiac Grand Prix, and Buick LeSabre\u003c\/li\u003e\n\u003cli\u003ePart number 645-780 for precise identification and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 645-780 connector features a 20 AWG wire gauge, suitable for maintaining proper electrical flow to the fuel pump cut-off switch. The female terminal type (also referred to as Hembra) ensures a tight and reliable connection, reducing the risk of electrical faults. Included in the package are three butt connectors, allowing for straightforward splicing and secure wiring during installation. This connector is engineered to meet the electrical demands of various GM vehicles, including models such as the Chevrolet Camaro, Cadillac Escalade, Pontiac Bonneville, and GMC Yukon.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis fuel pump cut-off switch connector is compatible with a broad range of General Motors vehicles. It is designed for use in models including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick LeSabre, Century, and Regal\u003c\/li\u003e\n\u003cli\u003eCadillac Escalade and Fleetwood\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado (C1500, C2500, C3500), Camaro, and Impala\u003c\/li\u003e\n\u003cli\u003eGMC Sierra (K1500, K2500, K3500), Yukon, and Jimmy\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Prix, Firebird, and Sunfire\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Connector\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIntermittent fuel pump operation due to faulty connections\u003c\/li\u003e\n\u003cli\u003eElectrical shorts or open circuits in the fuel pump cut-off switch wiring\u003c\/li\u003e\n\u003cli\u003eCorrosion or wear on original connectors causing fuel delivery interruptions\u003c\/li\u003e\n\u003cli\u003eLoose or damaged terminals affecting fuel pump safety shutoff\u003c\/li\u003e\n\u003cli\u003eReplacement of damaged or missing connectors during fuel system repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFor proper installation, ensure the vehicle’s battery is disconnected before beginning work. Use the included butt connectors to splice wires securely, and verify that the female terminal is fully seated on the corresponding male terminal. Inspect all connections for tightness and corrosion resistance. This connector is designed for 20 AWG wiring; confirm wire gauge compatibility before installation. Professional installation is recommended if unfamiliar with automotive electrical systems.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 645-780 Fuel Pump Cut-Off Switch Connector undergoes quality control testing to ensure reliable electrical performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44043069292725,"sku":"BKLB-645-780","price":34.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_645780_Fro_62210dfe-48e2-42ec-9a25-923d5e4b5ca0.jpg?v=1775009981","url":"https:\/\/www.partcatalog.com\/products\/dorman-645-780-fuel-pump-cut-off-switch-connector","provider":"PartCatalog","version":"1.0","type":"link"}