{"title":"Haltech Engine Harnesses","description":null,"products":[{"product_id":"4th-gen-f-body-plug-and-play-lsx-harness-for-haltech-rebel-nexus-ecu","title":"4th Gen F Body Plug-and-Play LSX Harness for Haltech Rebel \/ NEXUS ecu","description":"\u003ch4\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eAfter much anticipation, they're finally here! These systems are built to order, with a lead time of 3-5 weeks. Please make note of lead time, or contact us with any questions before ordering. Thank you!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003eIf you're looking to take your 4th gen Camaro or Trans Am street car to the next level with a Haltech ecu, we have your solution. This is a 100% plug-and-play harness system that replaces the factory engine harness entirely. It puts the Haltech ecu in full control of the engine and transmission, while retaining the factory PCM to keep the factory gauge cluster functional, and also preserving auxiliary I\/O by controlling air conditioning, fans and other peripheral body functions.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntended for mild to moderate street cars that have hit limitations of a stock PCM.\u003c\/li\u003e\n\u003cli\u003eAvailable for Haltech Rebel LS and NEXUS series ecu's (Elite ecu version available upon request)\u003c\/li\u003e\n\u003cli\u003eAvailable for both LS and LT cars\u003c\/li\u003e\n\u003cli\u003eSeamlessly plug-and-play with all factory body connections\u003c\/li\u003e\n\u003cli\u003eRetains full use of factory fuse relay centers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTerminated alternator lead built-in\u003c\/li\u003e\n\u003cli\u003ePlug-and-play to keep factory gauge cluster functional\u003cspan style=\"color: #ff2a00;\"\u003e*\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eFactory traction control switch pinned to an input for custom function (as applicable for model year).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eCAN bus connection fed inside cabin with gauge connections\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: #000000;\"\u003ePiggybacking Stock PCM\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eThe stock gauge cluster on 99-02 cars will NOT function without piggybacking a factory PCM.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eThe stock gauge cluster on 93-98 cars can be made to function without piggybacking a factory PCM, but will require sacrificing some I\/O from the Haltech ECU.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eThe harness is structured to keep the factory PCM in stock location, in the RH rear corner of engine bay.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFactory PCM is left in control of mundane factory functions:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eRadiator fans\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFactory A\/C control\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eHaltech ECU is in full control of fuel, spark \u0026amp; automatic transmission controls (as applicable).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eHPTuners \/ EFI Live license required to disable all applicable codes for functions no longer pinned into factory PCM.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan color=\"#000000\"\u003ePiggybacking the stock PCM is NOT intended for keeping a car emissions compliant, and WILL NOT keep a car emissions compliant in states that require smog testing.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: #000000;\"\u003eTransmission Control\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eFor 4L60e or 4L80e control, a Haltech Ti4L transmission controller kit will be required (sold separately).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eWe are a Haltech dealer and can gladly provide the Ti4L kit as a bundle!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eThis harness system features the same standardized transmission expansion connection as standard Rebel LS harnesses for seamless compatibility.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: #000000;\"\u003eInputs \/ Outputs\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eThe harness features standardized \"stub\" connectors at the RH rear corner of the engine bay, pinned with the following for easy access and wiring:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eAux inputs \/ AVI's \u0026amp; SPI's\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eAux outputs \/ DPO's\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eSensor 5v reference\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eSensor ground\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eLow current fused 12v\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eChassis ground\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eAuxiliary I\/O on the aftermarket ECU are used for functions such as auxiliary sensors and race functions:\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eBoost control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eNitrous control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eFlex fuel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eTrans brake \/ 2 step\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eAuxiliary pressure \u0026amp; temperature sensors\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\" color=\"#000000\"\u003eAuxiliary I\/O can be used for fan control, A\/C control, etc rather than opting to piggyback a stock PCM, but options and ability for other functions may then be limited. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Jolt Systems","offers":[{"title":"Default Title","offer_id":47106663055604,"sku":null,"price":1219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/3489\/products\/TS8_7813-3.jpg?v=1630005300"},{"product_id":"ford-godzilla-engine-harness-system-haltech-nexus","title":"Ford Godzilla Engine Harness System - Haltech NEXUS","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eIntroducing the first totally plug-and-play engine harness system to control the Ford 7.3 Godzilla engine with Haltech NEXUS VCU's!\u003c\/p\u003e\n\u003ch2\u003eTech Resources\u003c\/h2\u003e\n\u003cp\u003eFull harness instructions coming soon!\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1KlkFFmJcZq3nux5T3cyANkX9uCqDcqPr\/view?usp=share_link\" title=\"Godzilla Oil Pressure Sensor Data\" target=\"_blank\"\u003eOEM Oil Pressure Sensor Scaling Data\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1BED4C8diJwMtc9gpHlLvIQYVac6FfvW5\/view?usp=share_link\" title=\"Oil Plumbing Ref - Ford Godzilla w Turbo\" target=\"_blank\"\u003eOil System Plumbing Reference - Eliminating PWM Regulation Solenoid\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured 100% from scratch, in-house, in the USA.\u003c\/li\u003e\n\u003cli\u003eModular system is extremely flexible and adaptable for different configurations of coils, throttle body and intake manifold.\u003c\/li\u003e\n\u003cli\u003eCompletely covered in high-quality woven nylon loom with heat shrink breakouts.\u003c\/li\u003e\n\u003cli\u003eEvery connector lead labeled with permanent white-on-black heat shrink labels for a guess-free installation and professional look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHarness Length\u003c\/h3\u003e\n\u003cp\u003eThis harness is offered in two main trunk lengths. The long lead length is approximately 66in from the back of the intake manifold to the NEXUS A connector, and is plenty of length for comfortably mounting the ecu under the passenger seat. The short length is approximately 40in, intended for mounting the ecu on the dash bar of a caged car or in the glove box, without wadding up a bunch of excess length.\u003c\/p\u003e\n\u003ch3\u003eStarter\u003c\/h3\u003e\n\u003cp\u003eThis harness features a starter solenoid lead built-in, fully loomed and labeled. The starter solenoid is mounted directly to the starter motor on Godzilla engines. If swapping into an older Ford chassis that has a solenoid mounted on the fender or firewall, it is not needed and can be removed from the engine bay.\u003c\/p\u003e\n\u003ch3\u003eOil Pressure\u003c\/h3\u003e\n\u003cp\u003eThis harness is plug-and-play with a factory Ford oil pressure sensor. A 20-22 model year sensor must be used.\u003c\/p\u003e\n\u003ch3\u003eI\/O Stub \u0026amp; Power Tap\u003c\/h3\u003e\n\u003cp\u003eAll spare inputs and outputs are wired and terminated to DTM-style connectors, with system 12v and ground, and sensor 5v and ground for hassle-free expansion. \u003c\/p\u003e\n\u003cp\u003eDepending on selections for throttle, oil pump and VCT, additional inputs and outputs will be required to be used.\u003c\/p\u003e\n\u003ch3\u003eCAN Bus\u003c\/h3\u003e\n\u003cp\u003eThis harness features CAN bus connectors for both channel 1 and channel 2, terminated with the same DTM-style connector as Haltech standard.\u003c\/p\u003e\n\u003ch3\u003eFront Accessory Stub\u003c\/h3\u003e\n\u003cp\u003eOne nice feature included in this harness is a built-in accessory stub, terminated with a DT-style connector near the front of the engine. This prevents the installer from having to run additional wires with the engine harness, saving installation time and making a cleaner result. This connector stub features -\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIgnition power through a 470-ohm resistor, to use for alternator exciter.\u003c\/li\u003e\n\u003cli\u003eAccessory power that can be used for either an electric water pump or a\/c compressor. This circuit feeds through the harness back to the power distribution stub.\u003c\/li\u003e\n\u003cli\u003eGround terminal feeding through harness to back of cylinder head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSensor Tap\u003c\/h3\u003e\n\u003cp\u003eThis harness features a terminated stub for splitting key sensor signals, if needed for piggybacking with factory controls or other external controllers. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCrank position\u003c\/li\u003e\n\u003cli\u003eCam position\u003c\/li\u003e\n\u003cli\u003eTPS (TPS-1 if DBW)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOrdering Information - Please Read!\u003c\/h2\u003e\n\u003ch3\u003eECU\u003c\/h3\u003e\n\u003cp\u003eThis harness is available for Haltech NEXUS R3, R5 and S3 series ecu's. Your ecu selection is for our information only.\u003c\/p\u003e\n\u003ch3\u003eWideband O2 Sensor Connector Type\u003c\/h3\u003e\n\u003cp\u003eIf running a NEXUS R Series VCU, the wideband o2 sensor lead is built-in to the harness, and can be terminated for plug-and-play use for either the Bosch LSU4.9 sensor, or the NTK sensor. Haltech generally recommends the NTK sensor only for heavy methanol applications.\u003c\/p\u003e\n\u003ch3\u003eInjector Style\u003c\/h3\u003e\n\u003cp\u003eThis harness features an injector harness stub, compatible with injector harnesses from Holley. Harness kit includes our Holley EFI-compatible injector harness specific for the Godzilla, based on your choice. If you already have an injector harness from Holley, it can be used with this engine harness, but our injector harness routes much nicer.\u003c\/p\u003e\n\u003ch3\u003eIgnition Coil Style\u003c\/h3\u003e\n\u003cp\u003eYour selection automatically adds the proper coil sub-harness kit to your cart, to make connections directly to all eight coils.\u003c\/p\u003e\n\u003cp\u003eFactory Godzilla coils have proven to be reliable for big horsepower, much more so than the factory Coyote and Modular coils. 20-22 model year coils are a \"dumb\" coil, and require external ignitor modules. Please call for further information and to order.\u003c\/p\u003e\n\u003ch3\u003eThrottle Body\u003c\/h3\u003e\n\u003cp\u003eThis harness is highly adaptable and compatible with both cable drive and electronic drive-by-wire throttle bodies, without leaving unused connectors dangling in the engine bay.\u003c\/p\u003e\n\u003cp\u003eWe provide an adapter harness to extend out to the throttle body and idle control valve (if applicable). An adapter for your choice of pedal is also included for DBW throttle applications.\u003c\/p\u003e\n\u003ch3\u003eMAP Sensor\u003c\/h3\u003e\n\u003cp\u003eThis harness is offered with a terminated connector for either a SSI transducer style, known best as the 1\/8npt cylinder style sensor available from Holley, \u003ca title=\"LDM MAP\" href=\"https:\/\/lowdoller-motorsports.com\/search?type=product\u0026amp;options%5Bprefix%5D=last\u0026amp;options%5Bunavailable_products%5D=last\u0026amp;q=map+sensor\" target=\"_blank\"\u003eLowDoller Motorsports\u003c\/a\u003e or \u003ca title=\"RIFE MAP\" href=\"https:\/\/www.motionraceworks.com\/collections\/1-8-npt-map-sensors\" target=\"_blank\"\u003eRIFE\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eMany aftermarket intake manifolds, including the BTR equalizer and Holley hi ram feature a mounting hole for the Bosch 1BAR and 2.5BAR sensor, commonly found on factory LS3 and LSA applications.\u003c\/p\u003e\n\u003cp\u003eIf you plan to use a vacuum line with the ecu's internal MAP sensor, this selection does not matter much.\u003c\/p\u003e\n\u003ch3\u003eOil Pan\u003c\/h3\u003e\n\u003cp\u003eThe factory Godzilla oil pump is a variable displacement pump, which is regulated by a PWM solenoid in OEM applications. With the solenoid unplugged, or effectively eliminated, oil pump bypasses to full flow, which can result in excess of 140psi. If running a factory oil pump and pan, the factory solenoid must be utilized to regulate oil pressure.\u003c\/p\u003e\n\u003cp\u003eIf solenoid is elminated by running an aftermarket pan, or modifying the factory pan, oil pressure must be regulated mechanically. See link to reference diagram below.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eFuse \/ Relay Center\u003c\/h3\u003e\n\u003cp\u003eThe inline fuse and relay on an off-the-shelf Holley engine harness always seem to get wadded up way up into the dash, leaving them inaccessible for troubleshooting and diagnosis unless you stand on your head in the passenger's seat and cut 173 zip ties. For this reason, we designed the harness with an external power lead, where injector power, coil power, ecu power, starter solenoid power, fuel pump output and more are terminated with a Deutsch connector for easy hookup in a centralized location to your choice of relay center, or even a PDM like the RacePak SmartWire or ecuMaster PMU.\u003c\/p\u003e\n\u003cp\u003eFor a true standalone installation, we offer a basic yet inclusive relay block that includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e40A relay for aux \/ fans (3x)\u003c\/li\u003e\n\u003cli\u003e40A relay for fuel pump\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStarter lead, to connect to starter \/ neutral safety switch\u003c\/li\u003e\n\u003cli\u003eIgnition switch lead from both pins A13 and A26, to connect to ignition switch.\u003c\/li\u003e\n\u003cli\u003e10ft unterminated flying lead wires for fuel pump, fan and switch activators.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jolt Systems","offers":[{"title":"Short (40\") ecu Behind Dash","offer_id":47698126373108,"sku":"10-019","price":850.95,"currency_code":"USD","in_stock":true},{"title":"Long (66\") ecu Under Seat","offer_id":47698126405876,"sku":"10-018","price":870.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/3489\/files\/10-018_Godzilla_-_HT_NEXUS_02.jpg?v=1771513537"}],"url":"https:\/\/joltsystems.net\/collections\/haltech-engine-harnesses.oembed","provider":"Jolt Systems","version":"1.0","type":"link"}