We use all GM grade connectors. ... Engine Wiring Harness Wiring Diagram and Installation Instructions Electric Fuel Pump & Inline Filter Start up technical support. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. Tuned Port Injection stand alone EFI wiring harness . Tuned port injection / Induction received its name because of the runners, as the air enters the throttle body, through the upper plenum, it is driven down a series of 8 runners that are all equally tuned, by length and size. These engines were factory equipped in Chevrolet Camaro and Corvette and were mated to either a 200-4R or 700-R4 transmission. FUEL INJECTION CONNECTION offers DELPHI and Molex factory connectors for most of the connections of the GM fuel injection ⦠We have also supplied the correct rubber grommet to install the computer inside the car. ... Engine Wiring Harness Wiring Diagram and Installation Instructions Electric Fuel Pump & Inline Filter When using factory computers and wiring, pay close attention to the connectors. Harness comes completely loomed with automotive grade split loom. Using the 1985-89 engine, the computer, prom, and knock sensor will ⦠This harness takes care of the headaches involved with installing Tuned port injection on most all SBC engines or swapping a TPI engine into your vehicle, and makes for a much easier installation. Also available for this harness is a detailed step-by-step manual, and GM color coded wires with labels for easy installation. We build each harness in house, using TXL grade automotive wire, and new GM connectors, terminals, and seals. TPI harnesses were designed to be complete wiring systems for GM Tuned Port Injection engines. Please take the time to familiarize your self with all the components and In addition, all our harnesses are GM color-coded. Chevrolets Tuned Port Fuel Injection System, or TPI as it is more commonly referred to, first appeared on production vehicles in 1985 and, since then, has been used on all Corvettes and on many specially equipped Camaros and Firebirds. Each harness has 3 feet of reach from the rear of the engine to the ecm, with an overall length of 5 feet. Add Proven, Self Tuning EZ-EFI® To Existing OE or Aftermarket Multi-Port EFI Engines; GM TPI, Ford 5.0L & More The wiring harness is completely pre-wired and labeled for a simple installation. MAF designs require the correct harness and ECM #1227165. If you require a high quality, OEM specification grade replacement wiring harness for your Tuned Port fuel injection engine, you came to the right place! Ford frequently changed them, even within model years. Connect the E pin to MS3X pin 14 to send the timing signal to the HEI module. Our harnesses are designed to operate Tuned Port Engines from model years, 1985 to the present. TPI Wiring Information General In the preceding segment of this manual, we attempted to give you a broad overview of the Tuned Port Electronic Fuel Injection System with information on parts interchangeability and also tried to point out some of the important differences between various year and ⦠For example no VATS system, no Charcoal canister, no air pump, no EGR, ect... which allows for a much cleaner installation. Sure enough, before I was even out of high school, Tuned Port Injection (TPI) was a reality-and it was like nothing we'd seen: wild runners, front-mounted air inlet, and individual fuel injectors. We offer Custom Manufactured Fuel Injection Wiring Harnesses and Wiring Harness Kits for the LS1, LS2, LSTruck, MAF TPI, Speed Density TPI, LT1 and TBI engines. This harness is perfect for dropping any TPI engine into any vehicle. Each harness comes complete with the necessary relays and its own fused power source. Howell Engine Developments, Inc. was formed in 1988 by Bill and Matt Howell to support the growing trend towards the use of electronic fuel injection in the Hot Rod/Street Rod and Four Wheel Drive Industries. If you would like faster service please call us and place your order. Our harnesses are all made with top of the line copper strand wire. Classic Industries offers a wide selection of Harnesses for your 1987 Pontiac Firebird. Our harnesses are ⦠However, the newer the engine and vehicle, the more difficult it is to use the factory components. If you are looking to install a Tuned Port Injection intake on your vehicle, then you should find the information below rather useful. This page is for information about GM Tuned Port Injection EFI swaps.TPI is a fuel injection system that uses individual injectors for each cylinder that are mounted in the intake manifold and usually ends up looking much different than a traditional carbureted setup. Tuned Port Injection stand alone EFI wiring harness . See it here. Click now! It includes connectors for early style GM sensors (coolant temp, air temp, TPS, MAP and IAC) such as those found on a GM Tuned Port engine. Our harnesses remove all the provisions for the unwanted items that modern FI engines come with. The system operates using the 1986 through 1989 Camaro or Corvette engine control module (ECM) (computer) part number 16198259 or equivalent. TPI Speed Density Wiring Harness Installation. Each harness comes complete with detailed installation instructions and full technical support by phone or online. What wiring grounds do I ⦠Our harnesses are all made with top of the line copper strand wire. The computer also requires a 1986-1989 Prom and Cal Pack which is inserted into The standard GM Tuned Port Injection systems we offer are 1990 / 92 Speed Density Systems. We have over 25 years of experience, specializing in fuel injection system parts and services. This harness is designed to be a complete wiring system for the fuel injection system on General Motors tuned port (5.0L and 5.7L) injection engines. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. This includes all wiring that is needed by the computer to run and control the fuel injection system. Installation consists of simply laying out the harness on the motor, plugging in the various devices. Harness must be used with 01227730 ecm (speed density computer) and the correct prom chip with VATS removed. Order online - easy ordering and fast shipping. This includes all wiring that is needed by the computer to run and control the fuel injection system. Ford Wiring and Connectors. This harness takes care of the headaches involved with installing Tuned port injection on most all SBC engines or swapping a TPI engine into your vehicle, and makes for a much easier installation. However, accurate timing control relies ⦠Each new harness contains in-depth application-specific instruction sheets, clearly marked factory GM connectors, labeled GXL jacketed wire, GM color coding, and pre-fitted corrugated slit loom for an extra value and professional look. The Tuned Port Injection and Throttle Body Injection versions of the small block Chevy and used very different hardware, but similar electronics. GM TPI Swap. That is a 1227165 will not plug in to a 1226870 harness and operate. Most of the rest of the job is the same as 31. The Tuned Port Injection system and on-board computer controls will change the timing advance during engine operation according to engine load. This harness is designed to be a complete wiring system for the fuel injection system on General Motors tuned port (5.0L and 5.7L) injection engines. Most of the wiring in the harness has been pre-terminated to the proper connector and all Welcome to Fuel Injection Specialties, your source for everything EFI. Using Ford factory wiring harnesses is an option for most engines and projects. What You Need This harness is designed to work with a 1990-1992 style TPI engine and accessory configuration. These systems will fit both new and old style heads, but the heads must be specified at the time of purchase. Setting the ignition timing in the 1989 Corvette is similar to other GM V-8 engines. ÷
ï. Tuned Port Injection stand alone EFI wiring harness . Note: The 1986-1989 TPI uses a Mass Air Flow Sensor, and is easier to use on a hot rodded motor. The transmission choices are 4L60 (No E, Vette ) 700R4 (F-body) 6speed (Vette ) 5 Speed (F-body) The distributor of this year was a small EI ⦠GM Tuned Port Injection Harness installation instructions Thank you for your purchase from Larryâs Electric. The 1990-1992 style engine is equipped with the following specific items that my not be found on earlier TPI ⦠Harnesses are available from Fuel Injection Specialties for the following applications: 1987-95 Throttle Body Injection (TBI) Engines 1986-89 Mass Air Flow (MAF) Tuned Port Injection (TPI) Engines, F & Y Body 1990-92 Speed Density Tuned Port Injection (TPI) Engines, F & Y Body 1992-95 Central Port Injection (CPI) Engines These are the same components used by GM on factory harnesses. Harness comes completely loomed with automotive grade split loom. For installations of 1990 - 1992 Tuned Port Injection 5.0L and 5.7L V8 engines using the MAP system. This wiring system is compatible with 1985 through 1992 GM 5.0 & 5.7 tuned port engines utilizing a mass air flow (MAF) sensor. The TPI system includes a manifold base, two ⦠À¯¶xêàia7G½ïããRâpØ6¬Ì'¹EåbÙ«ßÕ)±¸³+%Ï zbêâBÒ³Re,ºÎLâÆ¡I¨« \ì½Ä0+ÑPsaܾáøþñU5ò¾ö#ª¡Â(³ª~×U @WA´HÔÌÂ{Á`øÅ,.5_á!2xâðìÞ¢ÕO»¤?áRÁ# Note that the DIY Autotune wiring harness has a shielded wire â connect only the inner wire to this pin! Connections on the engine side.TPS (THROTTLE POSITION SENSOR)IAC (IDLE AIR CONTROL)IAT (INTAKE AIR TEMP)CTS ( TEMP SENSOR)MAP (MANIFOLD ABSOLUTE PRESSURE)KNOCK SENSORDISTRIBUTOR CONNECTION O2 SENSOR INJECTORS 1,2,3,4,5,6,7,8VSS AND 700R4 TRANSMISSION CONNECTIONS (IF USING THE 700R4)CONNECTIONS ON ECM SIDE BLACK 24 PIN, BLACK 32 PIN, YELLOW 32 PIN ECM CONNECTORSCHECK ENGINE LIGHT CONNECTIONS (LIGHT INCLUDED)FUEL PUMP RELAY AND FUEL PUMP CONNECTIONFUSE BLOCK WITH BATTERY AND IGNITION CONNECTIONSBRAKE PEDAL SWITCH CONNECTIONS (ONLY IF YOU USE THE 700R4 TRANSMISSION)ALDL OBD diagnostic connector Installation InstructionsPlease Allow 2-3 working days for processing online orders. $725.00 LT-1 Standalone Harness - Mesh wrap and fan relays / wiring are included on the LT-1 harnesses. 1985-89 models can be run with Mass Air Flow Sensors (production design) or with the 1990-92, Speed Density electronics. Please see our shipping policy before ordering.Do You need remote coil wiring? In 1985, GM introduced its Tuned Port Injection (TPI) manifold on the Corvette and the Camaro line. GM Tuned Port Injection. All PSI Harnesses are Made in the USA. Down to the lower intake port, thus the name was born Tuned Port Injection / ⦠Features and Benefits: - 90-92 GM V8 standard length wiring harness - For engines with MAP (Manifold Absolute Pressure sensor) - For GM 5.0 and 5.7L tuned port injection engines We use all GM grade connectors. Take the fear out of electronic fuel injection! Speed density designs require a different harness and ECM #1227730. It uses a tuner friendly production car 1991-92 Tuned Port ECM and PROM. 1987 Pontiac Firebird Parts - Harnesses. Ram Jet Crate series (350, 502) Standalone wiring harness with ECM / PROM -This harness replaces the factory GM crate Ram Jet engine harness and MEFI ECM. GM Tuned Port Injection Camaro/Firebird/Corvette - 5.0, 5.7 - Engines (1985-1992): Our harness upgrades the 1985 through 1989 engines by running them on the 1990-92 Camaro or Firebird computer. The wiring harness only has four wires to hook up (ignition switch, fuel pump, starter, and ground). To help aid in a successful installation, I have included these instructions. These engine wiring harnesses are designed to make your engine transplant effortless. Each harness comes complete with the necessary relays and its own fused power source. While each of these ECM's/PCM's will provide excellent performancefor the Port and TPI systems, they are not interchangeable. You can use a factory wiring diagram to follow the harness if you any work needs to be performed on the vehicle. Each harness comes complete with detailed installation instructions and full technical support by phone or online. Please note whenever any specifics are given in terms of years, what matters is not the year of the intake you use, but rather the ECM/Harness. ... ⢠More Power than OEM-Style Tuned Port Injection Systems. The standard GM Tuned Port Injection systems we offer are 1990 / 92 Speed Density Systems. At Howell EFI, we do not make a one size fits all product line. TPI 1990-1991 Speed Density Tuned Port Injection systems of this year are dubbed with the name Speed Density. The wiring for these systems are not interchangeable, without modifyingthe wiring harness. This harness takes care of the headaches involved with installing Tuned port injection on most all SBC engines or swapping a TPI engine into your vehicle, and makes for a much easier installation. ⢠Online Access to Help,Schematics,and Wiring Diagrams ... Wiring Harness,Bosch Linear O2 Sensor (2 for the dual Model),Exhaust Bungs, Communication Cable, Data Link Adapter,and DataMap Software package. 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