{"product_id":"royal-enfield-1040232a-main-wiring-harness-thunderbird-350-bs4","title":"Royal Enfield 1040232\/A – Harness, Main Cable for Thunderbird 350 \u0026 Thunderbird X 350 BS4 (BSIV) – Genuine Main Wiring Loom","description":"\u003cp data-start=\"278\" data-end=\"617\"\u003eThe \u003cstrong data-start=\"282\" data-end=\"331\"\u003eRoyal Enfield 1040232\/A – HARNESS, MAIN CABLE\u003c\/strong\u003e is the \u003cstrong data-start=\"339\" data-end=\"375\"\u003ecomplete OEM main wiring harness\u003c\/strong\u003e for \u003cstrong data-start=\"380\" data-end=\"431\"\u003eThunderbird 350 BSIV and Thunderbird X 350 BSIV\u003c\/strong\u003e models. Official Royal Enfield price lists describe \u003cstrong data-start=\"484\" data-end=\"522\"\u003e1040232\/A as “HARNESS, MAIN CABLE”\u003c\/strong\u003e, confirming it as the factory main cable assembly used on the BS4 Thunderbird 350 platform.\u003c\/p\u003e\n\u003cp data-start=\"1020\" data-end=\"1357\"\u003eThis harness is the \u003cstrong data-start=\"1040\" data-end=\"1082\"\u003eheart of your bike’s electrical system\u003c\/strong\u003e – carrying power and signals between the battery, ignition, switchgear, lights, meters, ECU and sensors. Over time, accidents, poor-quality accessory installations, chafing or amateur repairs can cause intermittent faults, blown fuses, starting issues and random cut-offs.\u003c\/p\u003e\n\u003cp data-start=\"1359\" data-end=\"1803\"\u003eReplacing the entire loom with \u003cstrong data-start=\"1390\" data-end=\"1411\"\u003egenuine 1040232\/A\u003c\/strong\u003e brings your Thunderbird’s wiring back to \u003cstrong data-start=\"1453\" data-end=\"1469\"\u003efactory spec\u003c\/strong\u003e – correct wire gauge, colour coding, fuse and connector layout, BS4 EVAP \/ emission connectors and proper routing lengths. Unlike universal or local harnesses, this is a \u003cstrong data-start=\"1640\" data-end=\"1665\"\u003eplug-and-play OE loom\u003c\/strong\u003e designed specifically for \u003cstrong data-start=\"1692\" data-end=\"1735\"\u003eThunderbird 350 \u0026amp; Thunderbird X 350 BS4\u003c\/strong\u003e, reducing diagnostic headaches and improving long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"1805\" data-end=\"1808\"\u003e\n\u003ch2 data-start=\"1810\" data-end=\"1840\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1842\" data-end=\"3063\"\u003e\n\u003cli data-start=\"1842\" data-end=\"1988\"\u003e\n\u003cp data-start=\"1844\" data-end=\"1988\"\u003e\u003cstrong data-start=\"1844\" data-end=\"1881\"\u003eGenuine Royal Enfield OEM harness\u003c\/strong\u003e – Part No. \u003cstrong data-start=\"1893\" data-end=\"1928\"\u003e1040232\/A – HARNESS, MAIN CABLE\u003c\/strong\u003e, as listed in official RE rate lists and European fiche.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2278\" data-end=\"2449\"\u003e\n\u003cp data-start=\"2280\" data-end=\"2449\"\u003e\u003cstrong data-start=\"2280\" data-end=\"2309\"\u003eComplete main wiring loom\u003c\/strong\u003e – runs from headlamp area to tail section, integrating ignition, lighting, switchgear, charging, indicators and BS4 emission connectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2450\" data-end=\"2598\"\u003e\n\u003cp data-start=\"2452\" data-end=\"2598\"\u003eCorrect \u003cstrong data-start=\"2460\" data-end=\"2512\"\u003econnector types, fuse box links and wire colours\u003c\/strong\u003e, matching factory diagrams – simplifies troubleshooting and future accessory work.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2599\" data-end=\"2735\"\u003e\n\u003cp data-start=\"2601\" data-end=\"2735\"\u003eDesigned specifically for \u003cstrong data-start=\"2627\" data-end=\"2666\"\u003eBS4 (BSIV) Thunderbird 350 platform\u003c\/strong\u003e, including EVAP\/charcoal canister related plugs where applicable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2736\" data-end=\"2851\"\u003e\n\u003cp data-start=\"2738\" data-end=\"2851\"\u003eAvoids issues caused by \u003cstrong data-start=\"2762\" data-end=\"2808\"\u003ecut, spliced or locally re-taped harnesses\u003c\/strong\u003e (shorts, melted wires, random cut-offs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2852\" data-end=\"2968\"\u003e\n\u003cp data-start=\"2854\" data-end=\"2968\"\u003eIdeal for \u003cstrong data-start=\"2864\" data-end=\"2966\"\u003eaccident repairs, full restorations, electrical overhauls, or bikes with botched accessory wiring.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2969\" data-end=\"3063\"\u003e\n\u003cp data-start=\"2971\" data-end=\"3063\"\u003eSupplied in original-spec layout for \u003cstrong data-start=\"3008\" data-end=\"3026\"\u003edirect fitment\u003c\/strong\u003e, no universal juggling or guesswork.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3065\" data-end=\"3068\"\u003e\n\u003ch2 data-start=\"3070\" data-end=\"3124\"\u003eCompatibility Table (Confirmed Only – No Guesswork)\u003c\/h2\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3126\" data-end=\"4050\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3126\" data-end=\"3260\"\u003e\n\u003ctr data-start=\"3126\" data-end=\"3260\"\u003e\n\u003cth data-start=\"3126\" data-end=\"3160\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"3160\" data-end=\"3180\" data-col-size=\"sm\"\u003eEngine \/ Platform\u003c\/th\u003e\n\u003cth data-start=\"3180\" data-end=\"3207\" data-col-size=\"sm\"\u003eEmission \/ Region\u003c\/th\u003e\n\u003cth data-start=\"3207\" data-end=\"3223\" data-col-size=\"sm\"\u003eApprox. Years\u003c\/th\u003e\n\u003cth data-start=\"3223\" data-end=\"3240\" data-col-size=\"sm\"\u003eFitment Status\u003c\/th\u003e\n\u003cth data-start=\"3240\" data-end=\"3260\" data-col-size=\"xl\"\u003eEvidence \u0026amp; Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3396\" data-end=\"4050\"\u003e\n\u003ctr data-start=\"3396\" data-end=\"3704\"\u003e\n\u003ctd data-start=\"3396\" data-end=\"3430\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3398\" data-end=\"3422\"\u003eThunderbird 350 BSIV\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3430\" data-end=\"3450\" data-col-size=\"sm\"\u003e346cc UCE\u003c\/td\u003e\n\u003ctd data-start=\"3450\" data-end=\"3477\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3452\" data-end=\"3473\"\u003eBS4 (BSIV), India\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3477\" data-end=\"3493\" data-col-size=\"sm\"\u003e~2017–2020\u003c\/td\u003e\n\u003ctd data-start=\"3493\" data-end=\"3510\" data-col-size=\"sm\"\u003e✔ Confirmed\u003c\/td\u003e\n\u003ctd data-start=\"3510\" data-end=\"3704\" data-col-size=\"xl\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3705\" data-end=\"4050\"\u003e\n\u003ctd data-start=\"3705\" data-end=\"3739\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3707\" data-end=\"3733\"\u003eThunderbird X 350 BSIV\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3739\" data-end=\"3759\" data-col-size=\"sm\"\u003e346cc UCE\u003c\/td\u003e\n\u003ctd data-start=\"3759\" data-end=\"3786\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3761\" data-end=\"3782\"\u003eBS4 (BSIV), India\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3786\" data-end=\"3802\" data-col-size=\"sm\"\u003e~2018–2020\u003c\/td\u003e\n\u003ctd data-start=\"3802\" data-end=\"3819\" data-col-size=\"sm\"\u003e✔ Confirmed\u003c\/td\u003e\n\u003ctd data-start=\"3819\" data-end=\"4050\" data-col-size=\"xl\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"4052\" data-end=\"4095\"\u003e\u003cspan style=\"color: rgb(234, 1, 1);\"\u003e\u003cstrong\u003eONLY PURCHASE AFTER CONFIRMING PART NUMBER OF THE WIRING\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4430\" data-end=\"4433\"\u003e\n\u003cp data-start=\"4900\" data-end=\"4991\"\u003e \u003c\/p\u003e\n\u003chr data-start=\"4993\" data-end=\"4996\"\u003e\n\u003ch2 data-start=\"4998\" data-end=\"5039\"\u003eFAQs \u003c\/h2\u003e\n\u003cp data-start=\"5041\" data-end=\"5378\"\u003e\u003cstrong data-start=\"5041\" data-end=\"5091\"\u003eQ1. Which bikes exactly use harness 1040232\/A?\u003c\/strong\u003e\u003cbr data-start=\"5091\" data-end=\"5094\"\u003eThis harness is for \u003cstrong data-start=\"5114\" data-end=\"5179\"\u003eRoyal Enfield Thunderbird 350 BSIV and Thunderbird X 350 BSIV\u003c\/strong\u003e. The Spares Company lists 1040232 as \u003cem data-start=\"5217\" data-end=\"5240\"\u003e“HARNESS| MAIN CABLE”\u003c\/em\u003e for \u003cstrong data-start=\"5245\" data-end=\"5271\"\u003eThunderbird 350 – BSIV\u003c\/strong\u003e, and global sellers explicitly mention \u003cstrong data-start=\"5311\" data-end=\"5355\"\u003eThunderbird 350 \/ Thunderbird X 350 BSIV\u003c\/strong\u003e for part 1040232\/A.\u003c\/p\u003e\n\u003chr data-start=\"5380\" data-end=\"5383\"\u003e\n\u003cp data-start=\"5385\" data-end=\"5713\"\u003e\u003cstrong data-start=\"5385\" data-end=\"5445\"\u003eQ2. Is this the full wiring harness or some sub-harness?\u003c\/strong\u003e\u003cbr data-start=\"5445\" data-end=\"5448\"\u003eIt is the \u003cstrong data-start=\"5458\" data-end=\"5499\"\u003efull main wiring harness (main cable)\u003c\/strong\u003e – the primary loom that connects ignition switch, switchgear, battery, ECU\/relays, lights, cluster and other key circuits, as indicated by the description “HARNESS, MAIN CABLE” in official rate lists and fiche.\u003c\/p\u003e\n\u003chr data-start=\"5715\" data-end=\"5718\"\u003e\n\u003cp data-start=\"5720\" data-end=\"6071\"\u003e\u003cstrong data-start=\"5720\" data-end=\"5784\"\u003eQ3. Will this fit my Thunderbird 500 or BS3 Thunderbird 350?\u003c\/strong\u003e\u003cbr data-start=\"5784\" data-end=\"5787\"\u003eNo confirmed evidence supports 1040232\/A being used on Thunderbird 500 or BS3 Thunderbird 350. BS3 and 500 models have different harness part numbers and EVAP layout. To avoid returns and wiring issues, we \u003cstrong data-start=\"5993\" data-end=\"6011\"\u003eonly guarantee\u003c\/strong\u003e this for \u003cstrong data-start=\"6021\" data-end=\"6070\"\u003eThunderbird 350 BSIV \/ Thunderbird X 350 BSIV\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"6073\" data-end=\"6076\"\u003e\n\u003cp data-start=\"6078\" data-end=\"6449\"\u003e\u003cstrong data-start=\"6078\" data-end=\"6133\"\u003eQ4. Why not use a local aftermarket wiring harness?\u003c\/strong\u003e\u003cbr data-start=\"6133\" data-end=\"6136\"\u003eNon-OEM looms usually have \u003cstrong data-start=\"6163\" data-end=\"6261\"\u003edifferent wire colours, poorer copper, incorrect connector types or missing plugs for EVAP\/ABS\u003c\/strong\u003e, which can make fault-finding difficult and cause reliability problems. \u003cstrong data-start=\"6334\" data-end=\"6347\"\u003e1040232\/A\u003c\/strong\u003e is a genuine loom built to RE spec, so it matches factory diagrams and fits without cutting\/splicing.\u003c\/p\u003e\n\u003chr data-start=\"6451\" data-end=\"6454\"\u003e\n\u003cp data-start=\"6456\" data-end=\"6807\"\u003e\u003cstrong data-start=\"6456\" data-end=\"6514\"\u003eQ5. Do I need a professional mechanic to install this?\u003c\/strong\u003e\u003cbr data-start=\"6514\" data-end=\"6517\"\u003eYes, recommended. Replacing the main harness involves \u003cstrong data-start=\"6571\" data-end=\"6652\"\u003eremoving tank, side panels, routing around frame, and reconnecting many plugs\u003c\/strong\u003e. A trained Royal Enfield technician can swap the loom, check for pinched wires and test all functions – reducing chances of shorts or no-start conditions.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50708488683815,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-1040232a-main-wiring-harness-thunderbird-350-bs4","provider":"UNDER THE HOOD","version":"1.0","type":"link"}