{"product_id":"honda-accord-civic-fit-3-pin-h4-headlight-connector-oem-mg631660-5-djd031ya-1","title":"Honda Accord \/ Civic \/ Fit 3-Pin H4 Headlight Connector – OEM MG631660-5 \/ DJD031YA-1","description":"\u003ch2\u003eHonda Accord \/ Civic \/ Fit 3-Pin H4 Headlight Connector – OEM MG631660-5 \/ DJD031YA-1\u003c\/h2\u003e\n\u003cp\u003eDirect OEM-specification replacement for the Honda 3-pin H4 headlight lamp holder connector. Cross-references OEM part numbers \u003cstrong\u003eMG631660-5\u003c\/strong\u003e and \u003cstrong\u003eDJD031YA-1\u003c\/strong\u003e. Used in H4 halogen headlight harnesses across Honda Accord, Civic, and Fit platforms. Available bare or with 15cm pre-wired leads.\u003c\/p\u003e\n\n\u003ch3\u003eOEM Part Number Cross-Reference\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Number\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMG631660-5\u003c\/td\u003e\n\u003ctd\u003eHonda H4 headlight connector — primary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDJD031YA-1\u003c\/td\u003e\n\u003ctd\u003eHonda H4 headlight connector — alternate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eH4 Headlight 3-Pin Circuit Function\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eFailure Symptom if Corroded\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eLow beam filament power (+12V)\u003c\/td\u003e\n\u003ctd\u003eLow beam not illuminating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eHigh beam filament power (+12V)\u003c\/td\u003e\n\u003ctd\u003eHigh beam not illuminating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eGround \/ chassis earth (shared)\u003c\/td\u003e\n\u003ctd\u003eBoth low and high beam out simultaneously\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e3-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulb Type\u003c\/td\u003e\n\u003ctd\u003eH4 (dual-filament halogen)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Numbers\u003c\/td\u003e\n\u003ctd\u003eMG631660-5 \/ DJD031YA-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eHigh-temp nylon (PA66)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Option\u003c\/td\u003e\n\u003ctd\u003eBare connector \/ 15cm pre-wired leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eH4 halogen headlight harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHonda Accord (CP2\/CR6) – H4 headlight harness\u003c\/li\u003e\n\u003cli\u003eHonda Civic (FD\/FB\/FC) – H4 headlamp connector\u003c\/li\u003e\n\u003cli\u003eHonda Fit \/ Jazz (GD\/GE\/GK) – H4 headlight connector\u003c\/li\u003e\n\u003cli\u003eHonda City \/ Freed – Shared Honda H4 headlight architecture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Both my Honda low beam and high beam are out — is it the connector?\u003c\/strong\u003e\u003cbr\u003eA: Both beams out simultaneously on an H4 headlight indicates a corroded ground pin (Pin 3) in the 3-pin connector rather than a failed H4 bulb. Inspect the connector before replacing the bulb.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are terminals included?\u003c\/strong\u003e\u003cbr\u003eA: Yes, terminals are included with all variants.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"Plug with Pin \/ 1 Pcs","offer_id":47838253580533,"sku":"14:350686#Plug with Pin;380:202835807#1 Pcs","price":16.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/Sb6ccfdc4920b42f7b5c7581d411ed24d6.webp?v=1773728212","url":"https:\/\/www.csldmcml.com\/products\/honda-accord-civic-fit-3-pin-h4-headlight-connector-oem-mg631660-5-djd031ya-1","provider":"Cable Parts Online","version":"1.0","type":"link"}