{"product_id":"standard-ignition-hls1780-headlight-switch","title":"Standard Ignition HLS1780 Headlight Switch","description":"\u003ch2\u003eHeadlight Switch for Ford F-150 and Lincoln Mark LT\u003c\/h2\u003e\u003cp\u003eRestore reliable lighting control with this Standard Ignition headlight switch, part number HLS1780. It is built with a black plastic finish, a snap-fit attachment method, and two plug-in connectors for a direct electrical connection in the vehicle dash harness.\u003c\/p\u003e\u003cp\u003eFits 2005-2008 Ford F-150, w\/ Auto Headlights; w\/ Fog Lights. Fits 2006-2008 Lincoln Mark LT, w\/ Auto Headlights; w\/ Fog Lights.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard Ignition HLS1780 headlight switch\u003c\/li\u003e\n\u003cli\u003e15 blade terminals for the specified electrical interface\u003c\/li\u003e\n\u003cli\u003eFemale connector with male terminals\u003c\/li\u003e\n\u003cli\u003e2 plug-in connectors for straightforward harness connection\u003c\/li\u003e\n\u003cli\u003eSnap-fit attachment for secure dash installation\u003c\/li\u003e\n\u003cli\u003eBlack plastic construction and finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition HLS1780 is a replacement headlight switch for select Ford and Lincoln trucks equipped with automatic headlights and fog lights. It is specified with 15 terminals, blade-type terminals, and a female connector layout with male terminals, matching the electrical requirements of the original switch application. This part cross-references 4L3Z11654CAA for the same application.\u003c\/p\u003e\u003cp\u003eUse HLS1780 when servicing the lighting control circuit on a 2005-2008 Ford F-150 or a 2006-2008 Lincoln Mark LT with the listed equipment. The part number HLS1780 is also useful when searching for a direct replacement headlight switch for these Ford F-150 and Lincoln Mark LT applications.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeadlights that do not switch on or off correctly\u003c\/li\u003e\n\u003cli\u003eFog light control issues at the dash switch\u003c\/li\u003e\n\u003cli\u003eIntermittent lighting operation caused by worn switch contacts\u003c\/li\u003e\n\u003cli\u003eLoose or unreliable electrical connection at the switch\u003c\/li\u003e\n\u003cli\u003eDash lighting control problems related to the headlight switch assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle is equipped with auto headlights and fog lights before ordering. Match the connector style, terminal count, and attachment method to the original switch before installation. Confirm fitment for your Ford F-150 or Lincoln Mark LT by model year and equipment level, then transfer the electrical connection carefully to avoid terminal damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition supplies replacement electrical components for service applications, and this switch is built to match the listed connector and terminal specifications for the stated vehicles. Confirm all fitment details against the original part number HLS1780 and the vehicle’s lighting equipment before installation.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52819066290357,"sku":"FBHK-HLS1780","price":335.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_HLS1780_Fro.jpg?v=1784443839","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-hls1780-headlight-switch","provider":"PartCatalog","version":"1.0","type":"link"}