P0263 Cylinder 1 Contribution/Balance Fault P0238 Turbo Boost Sensor A Circuit High Input P0237 Turbo Boost Sensor A Circuit Low Input P0236 Turbo Boost Sensor A Circuit Performance P0231 Fuel Pump Relay Driver Circuit Failure P0221 Throttle Switch B Circuit Performance P0220 Throttle Switch B Circuit Malfunction P0123 Accelerator Pedal Sensor Circuit High Input P0122 Accelerator Pedal Sensor Circuit Low Input 7.3 injector driver module feedback signal code#If your vehicle is not properly grounded in this way, you will have electrical problems.If you are getting a check engine light on your 94-03 Ford 7.3 Powerstroke Diesel engine, use a code reader to find out what the code is and look it up on this list to help you find the problem. Also be sure to connect a Ground Strap (not included) from the Negative Battery Terminal to the Vehicle's Frame, a Ground Strap from the Vehicle's Frame to the Engine, and a Ground Strap from the Engine to the Vehicle's Body. When the relay receives a signal from your vehicle's ignition source, the coil will switch power from the battery to energize the injectors and ECM ignition power.Īll the ground wires are terminated with two ring terminals and can be bolted to the back of the passenger side head. Finally, connect the PNK ignition wire in the TPI harness to the relay contact (87). If you are unsure, you can run a wire directly from the battery to the relay. Be sure that the battery power wire can handle 30 amps. If it does not handle 20 amps, you may use a relay (see diagram below).Ĭonnect the ignition power from your vehicle (this must supply power with the key in the ON and CRANK position) to the relay's coil high (86), a vehicle ground source to coil low (85), and a battery power source to the relay switch (30). Be sure your ignition power source can handle 20 amps. Two Terminal Oil Pressure Switch for 1989 TBI Truck (Part number PS215)Ĭonnect the big PINK wire labeled, “Ignition on in run and crank”, to an ignition power source that has power with the key in the ON position and in the CRANK position.MAP Sensor (located on passenger side of intake manifold and can be moved to the firewall) Part # SU105.It must be fuel injection style with 4 wire feedback to the ECM Large cap (internal coil) distributor.Small HEI Distributor with Externally Mounted Coil or.This wire should be part of your original wiring or can be purchased separately. The 2 wire plug from the coil to the distributor module is used to power up the distributor and provide a coil trigger for spark.You will need to supply 12 Volt ignition power to the coil through the vehicle wiring.The 1985-1992 style engine is equipped with the following specific items that may need to be relocated because this harness is designed to (hide) some equipment found on or around the engine: This harness is designed to work with a 1985-1992 style TBI engine and accessory configuration. There is hot glue within the shrink tube that provides extra support and seals the splice from moisture. We have tried to minimize any splices within the harness but as necessary any splices are woven or mechanically crimped and soldered then they are covered with dual wall heat shrink tubing. Delphi connectors are standard on GM original wiring harnesses. The service number 1227747 is also the better performing ECM for all applications of the TBI engine. When using the service number 1227747 ECM for truck applications, the VATS is already deleted. When using the Camaro, Fire bird or Caprice electronic control module (ECM), the original Vehicle Anti Theft (VATS) will need to be disabled by reprogramming the EPROM. The harness will work with almost any of the GM TBI ECMs that do not have the electronic shifting 4L60E or 4L80E transmission, however it will control the torque converter lock up when applicable for the 700R4 and 200R4 transmissions. The wire colors are the same as the factory wire colors for car and truck TBI injected engines. This harness is constructed using OEM quality wire for superior reliability and long term use. 1985-1992 Throttle Body Injection Wiring Harness Installation
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