{"product_id":"1970-1972-chevy-396-v8-hei-engine-wiring-harness-23230h","title":"American Autowire - 1970-1972 Engine Wire Harness-GM Truck - 23230H","description":"\u003ch2 style=\"text-align: center;\"\u003eAmerican Autowire - 1970-1972 Engine Wire Harness-GM Truck - 23230H\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRestore your classic Chevy truck's engine wiring while upgrading to electronic ignition with this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1970–1972 Chevrolet 396 V8 Engine Wiring Harness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from American Autowire.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned specifically for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1970–1972 Chevrolet trucks equipped with a 396 cubic-inch V8 engine and automatic transmission\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this Factory Fit replacement harness is modified for use with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGM large-cap HEI (High Energy Ignition) distributor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike an original points-ignition wiring harness, this HEI-compatible version replaces the factory resistance wire with a standard 12-volt ignition feed and includes a connector designed for a GM large-cap HEI distributor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire manufactures its Factory Fit engine harnesses according to original General Motors specifications. Each harness arrives fully assembled and taped, connects at the original firewall location, and follows factory-style routing through the engine compartment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're restoring a classic Chevy C10, replacing deteriorated engine wiring, or upgrading your 396-powered truck to HEI ignition, this harness provides an application-specific replacement designed for your truck's electrical configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e American Autowire\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 23230H\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engine Wiring Harness\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProduct Line:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Factory Fit\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eVehicle Years:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1970–1972\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eVehicle Application:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Chevrolet Trucks\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eEngine Application:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 396 Cubic-Inch V8\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTransmission:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Automatic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eIgnition Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e HEI Electronic Ignition\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eIgnition Feed:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard 12-Volt Feed\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDistributor Connector:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e GM Large-Cap HEI\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sold Individually\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for 1970–1972 Chevrolet truck applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpecifically intended for 396 cubic-inch V8 engines\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for automatic transmission configurations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eModified for HEI electronic ignition\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReplaces the original ignition resistance wire with a standard 12-volt feed\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncludes a connector for a GM large-cap HEI distributor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufactured by American Autowire\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePart of the Factory Fit original reproduction wiring line\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufactured according to original GM specifications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFully assembled and taped for installation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConnects at the original firewall harness location\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollows factory-style engine compartment routing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHelps replace deteriorated or previously modified engine wiring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1970–1972 Chevrolet C-Series – 2WD Trucks\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotential applications include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1970–1972 Chevrolet C10\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1970–1972 Chevrolet C20\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1970–1972 Chevrolet C30\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e1970–1972 Chevrolet K-Series – 4WD Trucks\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePotential applications include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1970–1972 Chevrolet K10\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1970–1972 Chevrolet K20\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eRequired Vehicle Configuration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis harness is designed for trucks equipped with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1970–1972 Chevrolet truck electrical configuration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e396 cubic-inch V8 engine\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomatic transmission\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGM large-cap HEI distributor\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible original-style firewall wiring connections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e American Autowire lists part 23230H for 1970–1972 Chevrolet trucks with a 396 V8, automatic transmission, and HEI ignition. Verify compatibility with your specific truck model and electrical configuration before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDesigned for HEI Electronic Ignition\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWhat Is HEI Ignition?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHEI stands for High Energy Ignition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGM developed HEI electronic ignition as an alternative to traditional breaker-point ignition systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHEI distributors are a popular upgrade for classic Chevrolet V8 engines because they eliminate the periodic adjustment and replacement of conventional ignition points.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStandard 12-Volt Ignition Feed\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOriginal points-ignition systems commonly use resistance in the ignition feed circuit to reduce current through the ignition coil during normal operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA typical GM HEI distributor requires a suitable 12-volt ignition power supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire modifies this harness by \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ereplacing the original resistance wire with a standard 12-volt feed\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis accommodates the electrical requirements of a compatible HEI ignition system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eGM Large-Cap HEI Connector Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePart 23230H includes a connector designed for a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGM large-cap HEI distributor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an important feature for customers converting from a factory points distributor to a traditional GM-style HEI system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat If I Have an Aftermarket Distributor?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire notes that if you're using a distributor other than a GM large-cap HEI unit, the connector may need to be replaced.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlways verify your distributor's electrical requirements and connector configuration before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifically Designed for the 396 V8\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe engine application is an important fitment requirement for American Autowire part 23230H.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet 396 Cubic-Inch V8\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Chevrolet 396 belongs to the big-block V8 engine family.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBig-block and small-block Chevrolet engines can have different component locations and wiring requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire identifies this harness specifically for 396 V8 applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat If My Truck Has a Different V8 Engine?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf your truck is equipped with a 307, 350, 402, 454, or another V8 engine, verify the correct harness for its configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not assume that a harness designed for a 396 will fit another engine simply because both are Chevrolet V8 engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat If My Truck Has an Engine Swap?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf your truck has undergone an engine swap, verify the installed engine's electrical connections and ignition requirements before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDesigned for Automatic Transmission Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire specifies part 23230H for trucks equipped with automatic transmissions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Does Transmission Type Matter?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEngine compartment wiring can differ depending on whether a vehicle was originally equipped with a manual or automatic transmission.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCertain electrical connections and wiring routes may vary between configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSelecting a harness intended for the correct transmission helps maintain compatibility with the vehicle's electrical system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat If My Truck Has a Manual Transmission?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePart 23230H is specifically listed for automatic transmission applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf your truck has a manual transmission, verify the appropriate engine harness before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactory Fit Replacement Wiring\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eManufactured to Original GM Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire manufactures its Factory Fit harnesses according to original General Motors specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis helps maintain the original-style electrical layout of your classic Chevrolet truck while accommodating the HEI ignition modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFully Assembled and Taped\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach harness arrives fully assembled and taped.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis eliminates the need to construct an engine wiring harness from individual wires and terminals.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOriginal Firewall Connection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe harness is designed to connect at the original firewall location.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFactory-Style Engine Compartment Routing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe harness follows original-style routing through the engine compartment, helping maintain a factory-style appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does an Engine Wiring Harness Connect?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire explains that engine harness circuits vary by model year and application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the vehicle, an engine harness may contain wiring associated with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIgnition system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStarter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeater blower\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngine temperature sending unit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOil pressure sending unit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Not every circuit is included in every harness. Consult your factory service manual or American Autowire to confirm the exact connections included with part 23230H.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Replace Your 1970–1972 Chevy Truck's Engine Wiring Harness?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eReplace Aging Factory Wiring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAfter decades of exposure to engine heat, vibration, moisture, and contaminants, original wiring insulation can become brittle or cracked.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrical terminals and connectors can also deteriorate over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReplacing an aging harness provides an alternative to repairing multiple damaged wires individually.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAccommodate an HEI Ignition Conversion\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIf you're converting your Chevrolet 396 V8 from points ignition to HEI, this modified harness provides a standard 12-volt ignition feed and GM large-cap distributor connector.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaintain Engine and Transmission Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePart 23230H is designed for the specified 396 V8 and automatic transmission configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMaintain an Original-Style Appearance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire's Factory Fit harnesses are designed for classic vehicle restorations where factory-style wiring connections and routing are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Fitment \u0026amp; Installation Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1970–1972 Chevrolet truck applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpecifically intended for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e396 cubic-inch V8 engine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequires an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eautomatic transmission configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eModified for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHEI electronic ignition\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncludes a standard 12-volt ignition feed instead of the original resistance wire.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncludes a connector for a GM large-cap HEI distributor.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOther distributor styles may require connector modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTrucks retaining original points ignition should use the appropriate non-HEI harness.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManual transmission applications may require a different harness.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify compatibility if your truck has undergone an engine or transmission swap.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm original firewall connections before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThis is an engine wiring harness, not a complete vehicle wiring kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFront lighting, dash, and rear lighting harnesses are separate components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConsult your factory service manual and distributor manufacturer's installation instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eWill this engine wiring harness fit my 1970 Chevy C10?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIt may fit if your 1970 Chevrolet C10 has a compatible 396 V8 engine, automatic transmission, GM large-cap HEI distributor, and the correct factory electrical connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this harness fit a 1972 Chevy C10?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire lists part 23230H for 1970–1972 Chevrolet trucks. Your truck must have the specified engine, transmission, and ignition configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat engine is this harness designed for?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis harness is specifically listed for the Chevrolet 396 cubic-inch V8.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill this harness fit a 350 small-block?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis harness is not listed for 350 small-block applications. Select a harness designed for your truck's engine configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill this harness fit a 402 big-block?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Autowire identifies this part for 396 V8 applications. Compatibility with a 402 should be confirmed before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this harness work with a manual transmission?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePart 23230H is listed for automatic transmission applications. Manual transmission compatibility has not been confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this harness provide a 12-volt ignition feed?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. American Autowire confirms that the original resistance wire is replaced with a standard 12-volt feed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this harness include the HEI distributor connector?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. It includes a connector designed for a GM large-cap HEI distributor.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWill this harness work with my original points distributor?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis harness is modified for HEI ignition. If your truck retains its original points distributor, use the appropriate original-style harness.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan I use this harness with an aftermarket HEI distributor?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePossibly. Distributors other than GM large-cap HEI units may require connector modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVerify compatibility with your distributor manufacturer before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this harness include an HEI distributor?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. This product is an engine wiring harness. The distributor is sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this replace the entire truck wiring system?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. This product replaces the engine wiring harness. Other vehicle wiring harnesses are separate components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRestore Your Chevy Truck's Engine Wiring\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're restoring a classic C10, replacing deteriorated engine wiring, or converting your 396-powered Chevrolet pickup to HEI electronic ignition, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAmerican Autowire 23230H Engine Wiring Harness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides an original-style replacement designed for your truck's specified engine and transmission configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFind the wiring harnesses, electrical components, and restoration parts you need at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTuckers Classic Auto Parts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHelping Keep Classic Trucks on the Road Since 1993.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"American Autowire","offers":[{"title":"Default Title","offer_id":45377745191202,"sku":"6120","price":205.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/5867\/7794\/files\/American_Autowire_-_1970-1972_Engine_Wire_Harness-GM_Truck_-_23230H.png?v=1793215228","url":"https:\/\/tuckersparts.com\/products\/1970-1972-chevy-396-v8-hei-engine-wiring-harness-23230h","provider":"Tuckers Classic Auto Parts","version":"1.0","type":"link"}