{"product_id":"johnson-evinrude-wiring-harness-for-40-50-60-66-hp-crossflow-2-cyl-1979-1984-replaces-oem-583005-sierra-18-99427","title":"Sierra Johnson\/Evinrude Wiring Harness 18-99427, 2 Cylinder, Fits 1979-1984 40-66 HP Cross Flow Engines","description":"\u003cp\u003eThe Sierra 18-99427 wiring harness is a direct replacement wiring harness built for 2-cylinder Johnson\/Evinrude Cross Flow outboard engines. It carries the ignition, charging, and control wiring between the engine components and the control box, restoring a clean electrical connection on outboards where the original harness has cracked, corroded, or shorted out. The harness is constructed of insulated copper wire for reliable conductivity and uses a DIN connector for a factory-style plug-in fit.\u003c\/p\u003e\u003cp\u003eThis harness is sized for 1979-1984 Johnson\/Evinrude Cross Flow engines rated 40, 50, 60, and 66 HP. It ships as a single-piece harness assembly, making installation straightforward for anyone replacing a failed or deteriorated original harness rather than tracing and repairing individual wires.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-99427\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Evinrude Outboard Electrical System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Insulated Copper Wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e DIN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Count:\u003c\/strong\u003e 2 Cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 7 x 9 x 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.7 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282394585\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eJohnson\/Evinrude Cross Flow engines, 1979-1984, 40, 50, 60 and 66 HP, 2 cylinder\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e767968\u003c\/li\u003e\n\u003cli\u003e583005\u003c\/li\u003e\n\u003cli\u003e582061\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-99427 wiring harness fit?\u003c\/strong\u003e The Sierra 18-99427 harness fits 2-cylinder Johnson\/Evinrude Cross Flow outboard engines from 1979-1984 rated 40, 50, 60, and 66 HP.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does this harness replace?\u003c\/strong\u003e It replaces OEM Johnson\/Evinrude part numbers 767968, 583005, and 582061.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the wiring made from?\u003c\/strong\u003e The harness uses insulated copper wire throughout for reliable electrical conductivity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat connector type does the harness use?\u003c\/strong\u003e A DIN connector is used, matching the factory connection point on compatible Johnson\/Evinrude Cross Flow engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-99427 harness weigh?\u003c\/strong\u003e This wiring harness weighs 0.7 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the harness as packaged?\u003c\/strong\u003e The harness measures 7 x 9 x 2.5 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a complete engine harness or individual wires?\u003c\/strong\u003e The 18-99427 is supplied as a single complete harness assembly, not individual wires, so it installs as one unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many cylinders is this harness designed for?\u003c\/strong\u003e It is designed specifically for 2-cylinder Johnson\/Evinrude Cross Flow engines, not 3-, 4-, or 6-cylinder models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-99427 harness fit engines outside the 1979-1984 range?\u003c\/strong\u003e No, this harness is specified for the 1979-1984 model years on the covered 40-66 HP Cross Flow engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many of these come in a package?\u003c\/strong\u003e The 18-99427 wiring harness ships as a single item, one harness per package.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988443672795,"sku":"SIE-18-99427","price":168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/CDI-413-9915_lg__47979.1558112728.500.750.jpg?v=1785188278","url":"https:\/\/www.goodvibesmarina.com\/products\/johnson-evinrude-wiring-harness-for-40-50-60-66-hp-crossflow-2-cyl-1979-1984-replaces-oem-583005-sierra-18-99427","provider":"Good Vibes Marina","version":"1.0","type":"link"}