{"id":9970279186672,"title":"Classic Update Kit - 1987-89 Ford Mustang","handle":"classic-update-kit-1987-89-ford-mustang-510547","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOur 1987-89 Mustang Classic Update kit has been designed to eliminate much of the clutter of the original Ford wiring, and is the ideal solution for a street\/strip build with aftermarket fuel injection or a late model engine swap. Each kit is designed to include all the basics needed to rewire a vehicle from headlight to tail light, and will accommodate popular add-on items while reducing the overall complexity of the later Foxbody chassis harness. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eUpdated ATC fuse panel and fuses, along with modern GXL wire throughout. Wire functions are labeled every 3 to 5 inches. Custom fuse panel mounting bracket included.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePre-built dash harness and our exclusive gauge cluster disconnect system for use with  aftermarket instrument clusters. Original custer wiring is not supplied.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eEngine and front light harness with extra-long leads for custom routing and updated engine and transmission combinations. \u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePre-built rear body wiring with quick disconnect.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePre-built front light connections with quick disconnects.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e175 amp mega fuse kit with 6 gauge charge cable to support a high output charging system and internally regulated alternator.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eBuilt-in horn relay and flashers.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePlug and play turn signal, ignition, wiper and high beam switch connectors. \u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eDash harness is pre-wired to support a factory HVAC control head. Some connectors must be salvaged from an original harness for full operation.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eNew door jamb switches included.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/DfIgN2ebeRo\" width=\"560\" height=\"315\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003ch5\u003eFit Notes\u003c\/h5\u003eCLASSIC UPDATE SERIES\u003ch5\u003eInstructions\u003c\/h5\u003e\u003ciframe title=\"American Autowire Product Instructions\" src=\"https:\/\/api.americanautowire.com\/shopify\/instructions.php?p=510547\" height=\"650\" width=\"100%\" scrolling=\"yes\" frameborder=\"0\"\u003e\u003c\/iframe\u003e","published_at":"2026-04-04T12:43:09-07:00","created_at":"2026-04-04T12:43:09-07:00","vendor":"american-autowire","type":"Classic Update Wiring Kits","tags":["1987","1988","1989","AAW","Classic Update Wiring Kits","FORD","MUSTANG","vehicle-filter"],"price":146000,"price_min":146000,"price_max":146000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49500212461808,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"510547","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Classic Update Kit - 1987-89 Ford Mustang","public_title":null,"options":["Default Title"],"price":146000,"weight":0,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.hitechclassics.com\/cdn\/shop\/files\/510547.jpg?v=1775331791"],"featured_image":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/510547.jpg?v=1775331791","options":["Title"],"media":[{"alt":null,"id":44159691456752,"position":1,"preview_image":{"aspect_ratio":1.587,"height":1824,"width":2894,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/510547.jpg?v=1775331791"},"aspect_ratio":1.587,"height":1824,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/510547.jpg?v=1775331791","width":2894}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOur 1987-89 Mustang Classic Update kit has been designed to eliminate much of the clutter of the original Ford wiring, and is the ideal solution for a street\/strip build with aftermarket fuel injection or a late model engine swap. Each kit is designed to include all the basics needed to rewire a vehicle from headlight to tail light, and will accommodate popular add-on items while reducing the overall complexity of the later Foxbody chassis harness. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eUpdated ATC fuse panel and fuses, along with modern GXL wire throughout. Wire functions are labeled every 3 to 5 inches. Custom fuse panel mounting bracket included.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePre-built dash harness and our exclusive gauge cluster disconnect system for use with  aftermarket instrument clusters. Original custer wiring is not supplied.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eEngine and front light harness with extra-long leads for custom routing and updated engine and transmission combinations. \u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePre-built rear body wiring with quick disconnect.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePre-built front light connections with quick disconnects.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e175 amp mega fuse kit with 6 gauge charge cable to support a high output charging system and internally regulated alternator.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eBuilt-in horn relay and flashers.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePlug and play turn signal, ignition, wiper and high beam switch connectors. \u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eDash harness is pre-wired to support a factory HVAC control head. Some connectors must be salvaged from an original harness for full operation.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eNew door jamb switches included.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/DfIgN2ebeRo\" width=\"560\" height=\"315\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003ch5\u003eFit Notes\u003c\/h5\u003eCLASSIC UPDATE SERIES\u003ch5\u003eInstructions\u003c\/h5\u003e\u003ciframe title=\"American Autowire Product Instructions\" src=\"https:\/\/api.americanautowire.com\/shopify\/instructions.php?p=510547\" height=\"650\" width=\"100%\" scrolling=\"yes\" frameborder=\"0\"\u003e\u003c\/iframe\u003e"}