If fault follows the fuel injector(s) swap: Replace the affected fuel injector(s) only. If the fault remains on the original cylinder: Perform a temporary overlay from the ECM to the fuel injector and retest. If the fault no longer returns after an extended test drive: Replace the engine wiring harness and the 8 pin injector harness. Injector wiring diagram. Power comes into the injectors on the red wire side. That red (power) wire starts at Pin 87 on the Injector Relay and then is spliced to provide power to each injector. The injectors are controlled via the black wire side of each connector. M03 controls injector one.P2155 Injector Positive Voltage Control Circuit Group 4. P216A Injector Positive Voltage Control Circuit Group 5. P216D Injector Positive Voltage Control Circuit Group 6 , check for any of these codes. Then follow the advice contained in the service bulletin. GM has determined that the fuel injector wiring harness may be causing the problems.Can someone guide me to a color coded fuel injector wiring diagram. 88 Ranger 2.9. All of my injector number tags have rotted away.Jan 7, 2014 · The wiring in the diagram doesn't match-up with the wires in my system, or it doesn't seem to. I put the yellow-wired plug in the #4 injector and the tan-wired plug in the #3 injector, and I'm pretty sure those two are good, but the first two don't match-up in color at all... but I also don't know what LG and LB means. Feb 14, 2015 · The firing order for the Gen I small-block engine is 1-8- 4-3-6-5-7-2. The firing order for the LSseries engines is 1-8-7-2-6-5-4-3. Notice that cylinders 4 and 7 have swapped, and cylinders 3 and 2 have swapped. When you compare this PCM’s fuel injector wiring diagrams for the Gen I small-block with the LS-series engines, you see something ... Cadaholic said: I have an important question. The fuel injectors have two pins. One pin is connected to the battery through the ignition relay and the other pin goes to the ECU. The ECU sends a pulsing ground to the injector, which closes the circuit, providing the injector's solenoid with current. The wiring harness connecting these two is ...1989 c1500 5.7L throttle body wiring. I am working on getting my dad's old truck running. It's been sitting for about 10 years. I pulled the air intake off to hit it with some starter fluid and noticed the electrical plugs going to the fuel injectors were melted. does anyone know what they are called, or have a part number so I can order ...The injector fuse should be fuse 57 (25 amp - marked with a red box on the photo below) in the left rear engine compartment. It wouldn't hurt to do a quick check on all of the fuses, though. I'll be curious to hear what the resistance check on the injector reveals.Cadaholic said: I have an important question. The fuel injectors have two pins. One pin is connected to the battery through the ignition relay and the other pin goes to the ECU. The ECU sends a pulsing ground to the injector, which closes the circuit, providing the injector's solenoid with current. The wiring harness connecting these two is ...45301B0 1985 Chevy Truck Heater Vacuum Diagram. 475696E 1974 Tr6 Wiring Diagram. 485627D 1984 Vw Vanagon Westfalia Fuel Pump Relay Location. 48E5FB7 1971 240z Wiring Diagram. 48F440E 1986 Honda Magna Sound. 4985A61 1988 S 10 2 5 Fuel Pump Relay Pigtail. 499CDFC 1985 Chevy C10 Fuse Box Location. 49CDBF7 1971 1973 Mustang Led Sequential Tail ...These GM wiring diagrams provide schematics for vehicle model years 1988 through 1998. Fig. 1: Index of Wiring Diagrams. Fig. 2: Sample Diagram: How to Read and Interpret Wiring Diagrams. Fig. 3: Wiring Diagram Symbols. Fig. 4: 1988-98 GM-C/K Series Wiring Schematic. Fig. 5: 1988-98 GM-C/K Series Wiring Schematic.This simplified fuel injector circuit wiring diagram applies to the following vehicles: 5.2L V8 Dodge Dakota: 1994-1995. ... This simplified typical fuel pump circuit ...Can someone guide me to a color coded fuel injector wiring diagram. 88 Ranger 2.9. All of my injector number tags have rotted away.Remove the fuel injector wiring harness. Clean the injector with a solvent. Remove the injector and inspect it for signs of wear or damage. Install a new injector and reconnect the wiring harness. Reinstall the air cleaner assembly. Start the engine and let it run until it reaches normal operating temperature. Shut off the engine and check for ...Dec 12, 2011 · Reconnected the battery negative (-) terminal to the battery. The ‘Spider’ injector assembly connector was still disconnected (and needed to remain disconnected for this test). Turned the key to the ON position. Probed the wire piercing probe still attached to the yellow with black stripe wire of the C2 PCM connector. 94 & 95 Mustang Electrical and Vacuum diagrams. Mustang Cylinder Head, Basic Mods, Engine Mechanical Information. Mustang EEC IV 5.0 HO Information. Note: Some of this may be A9L Specific! Mustang Automatic and Manual Transmission Information. Mustang Electrical and Vacuum diagrams. Wiring Code Identification Information . WIRE CODE IDENTIFICATION . Each wire shown in the diagrams contains a code (Fig. 1) which identifies the main circuit, part of the main circuit, gauge of wire, and color. The color is shown as a two-letter code, which can be identified by referring to the Wire Color Code Chart (Fig. 2). injector no. 5 i 9 injector no. 4 i 8 injector no. 3 i 7 injector no. 2 i 6 injector no. 1 battery r w g r- b l y w-b w- b w v g-y br r w g r- b l y w- l br br w- l w-b v d 7 data link connector 3 v w- lgr- b l- r r- w bat cg sg sil d 1 data link connector 1 +b e1 a a power source junction connector j 1 j 2a , b d a d a d a e b e b w- l *2 w- l ...Refer to Ford Wiring Diagrams for Wiring 89 D IAGN O STIC CO D ES O - Self Test - Key On Engine Off R - Key On Engine Running C - Continuous Operation REGEN - Test Follows a REGEN CYCLE SHUT DOWN - Test Follows Key Off KO - Test Operates at Key On 1PC - Once Per Cycle Fig. 11: Comanche Multi-Point Fuel Injection Wiring Diagram (Wiring Diagram Not Available for Cherokee & Wagoneer Models) ’ DO NOT UNFASTEN THE SENSOR WIRE HARNESS CONNECTOR. INSERT THE VOLTMETER TEST LEADS THROUGH THE BACK OF THE WIRE HARNESS CONNECTOR TO MAKE CONTACT WITH THE SENSOR TERMINALS. FUEL INJECTOR TEST PROCEDURE CHART2003 GTS 5Spd Black on black HKS Hi-Power Exhaust K&N CAI Eibach Sportlines Polyurethane Motor Mounts 17" ADR 7 Black w/chrome lip 225/45/17 Michelin Pilot Sport Tires Homemade Grill Megan Racing Short Shifter ES Shifter Brushings Magnecore Spark Plug Wires GReddy Counterweight Shift KnobSep 16, 2017 · 1989 c1500 5.7L throttle body wiring. I am working on getting my dad's old truck running. It's been sitting for about 10 years. I pulled the air intake off to hit it with some starter fluid and noticed the electrical plugs going to the fuel injectors were melted. does anyone know what they are called, or have a part number so I can order ... You can find the fuel injector test here: How To Test The Fuel Injectors (1992-1995 1.5L Honda Civic). The PGM-FI Main Relay can be easily tested with a multimeter. You can find the tutorial here: How To Test The PGM-FI Main Relay (1992-1995 1.5L Honda Civic). RELATED WIRING DIAGRAMS: Ignition System Wiring Diagram (1992-1995 1.5L Honda Civic).DTC P0203 stands for “Injector Circuit/Open – Cylinder 3.” It’s logged when the PCM detects an issue with the fuel injector or its wiring. A logged P0203 can cause your vehicle to exhibit symptoms, such as an illuminated check engine light, decreased engine performance, and increased fuel consumption.This simplified fuel injector circuit wiring diagram applies to the following vehicles: 5.2L V8 Dodge Dakota: 1994-1995. ... This simplified typical fuel pump circuit ... The Tools I Use - https://www.amazon.com/shop/thefabforums*As an Amazon Associate I earn from qualifying purchases*On this episode I spent some time working ...Refer to Ford Wiring Diagrams for Wiring 89 D IAGN O STIC CO D ES O - Self Test - Key On Engine Off R - Key On Engine Running C - Continuous Operation REGEN - Test Follows a REGEN CYCLE SHUT DOWN - Test Follows Key Off KO - Test Operates at Key On 1PC - Once Per CycleFig. 11: Comanche Multi-Point Fuel Injection Wiring Diagram (Wiring Diagram Not Available for Cherokee & Wagoneer Models) ’ DO NOT UNFASTEN THE SENSOR WIRE HARNESS CONNECTOR. INSERT THE VOLTMETER TEST LEADS THROUGH THE BACK OF THE WIRE HARNESS CONNECTOR TO MAKE CONTACT WITH THE SENSOR TERMINALS. FUEL INJECTOR TEST PROCEDURE CHARTfuel injector wiring diagram and ECU pinout (computer) suzuki mehran EFI urdu/hindi Old fuel in tank, fuel filter clogged, plugged/clogged carb. or fuel injectors. 3. With engine running at a high idle and air cleaner off, spray or pour carb/fuel injection cleaner into carb/fuel injectors. If problems persist, check plug wires for cracks and/or breaks. Pull spark plugs checking for fouling. Apr 09, 2011 •.I'm thinking either a ground short at/in the connectors, a short in the wiring from rubbing, or the common 2/7 injector connector faults Its kicking these codes, which make me think a wiring short as well: P0202 - Inj circuit / Open Cylinder 2 P0203 - Inj circuit / Open Cylinder 3 P0205 - Inj circuit / Open Cylinder 5 P0208 - Inj circuit / Open ...[ Active Fuel Management DELETE ] Visit my Facebook page for a lot of New Pictures & Harness Guides YouTube channel for How To videos - E-Mail: [email protected] Below you will find a link to many schematics for 2003 to 2007. Tips on selecting the proper type of fuel injector connector. Fuel injector connectors are susceptible to deterioration due to aging, and wear and tear. A fuel injectors location on the engine exposes them to intense heat, vibration, and chemical fumes. Over time, these will cause the connectors’ nylon body to deteriorate and eventually break. 1. Mechanically Controlled Fuel Injectors. They are the fuel injectors in which the control of the fuel speed , quantity, timing and pressure is done mechanically with the help of spring and plunger which takes the input from the cam and fuel pump arrangement or by fuel distributor (advanced one). 2. Electronically Controlled Fuel Injectors.Thought I would start a thread with all of the fuel injection resources that I've seen posted in the Late Model/Super forum lately. Add your resources to help build a one-stop shop for Fuel Injection info. L-Jetronic info/manuals. New Fuel Injection Wiring Harnesses.If fault follows the fuel injector(s) swap: Replace the affected fuel injector(s) only. If the fault remains on the original cylinder: Perform a temporary overlay from the ECM to the fuel injector and retest. If the fault no longer returns after an extended test drive: Replace the engine wiring harness and the 8 pin injector harness. DOWNLOAD THE INFORMATION YOU NEED RIGHT HERE, RIGHT NOW Gear Charts Click here Plumbing Diagrams Click here Dash Wiring Diagrams Click here Gear Charts 2003-06 CBR600RR 2007-19 CBR600RR 2007-19 CBR600RR 2004-07 CBR1000RR 2008-20 CBR1000RR 2003-04 ZX6R 2005-06 ZX6R 2007-12 ZX6R 2013-20 ZX6R 2004-07 ZX10R 2008-10 ZX10R 2011-15 ZX10R 2016-18 ZX10R 2019-20 ZX10R 2021 ZX10R 2001-03 […]Re: Injector wiring, power/ground help! (invain) Well, we fixed the voltage problem, there was a short in the power wire for that injector and the connection back in the harness was pretty ****ty too. 12 volts at the injector plug now, but it's still not firing. We've checked continuity for the ground wire back to the ecu for that cylinder and ...The injector is used to remove fuel into the intake in the form of spray. The system controller, adjusts when and how long the injector opens. Fuel injection system working diagram. When we start the engine, the fuel pump will work so that the pressure fuel in the fuel hoses increases. Here, there is a flow of fuel from the tank to the fuel ...Sep 16, 2017 · 1989 c1500 5.7L throttle body wiring. I am working on getting my dad's old truck running. It's been sitting for about 10 years. I pulled the air intake off to hit it with some starter fluid and noticed the electrical plugs going to the fuel injectors were melted. does anyone know what they are called, or have a part number so I can order ... Dec 21, 2016 · The Tools I Use - https://www.amazon.com/shop/thefabforums*As an Amazon Associate I earn from qualifying purchases*On this episode I spent some time working ... Warning: Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion. FuelSystemPressureWarning Warning: Do not open the fuel system while the engine is running. Allow the fuel system pressure to drop before opening the system. The fuel system is under very high ... 1. Fuel Tank 2. Fuel Supply from Tank 3. Pre-filter 4. Hand Primer 5. Low Pressure Fuel Pump 6. Fuel Bypass Valve 7. Water Coalescer / Final Filter 8. High Pressure Fuel Pump 9. Fuel Rail 10. High Pressure Fuel Injector Lines 11. Fuel Injectors 12. Needle Return Line 13. Needle Return Pressure Control Valve 14. Fuel Accumulator 15. Fuel Return ...2004 Cummins Injector Wiring Issues. So this is a post to help out my brother-in-law; he rebuilt the engine completely on his 04 RAM. The only issue he is having now is fuel knock from the injectors. The injectors were tested and cleaned by a reputable shop, and we think the issue is the 3 connectors on the lower valve cover for the injectors.Learn to test and analyze automotive fuel injector circuits from a wiring diagram perspective. Fuel injectors are attached to the fuel rail. It is very time consuming to detect and...Tips on selecting the proper type of fuel injector connector. Fuel injector connectors are susceptible to deterioration due to aging, and wear and tear. A fuel injectors location on the engine exposes them to intense heat, vibration, and chemical fumes. Over time, these will cause the connectors’ nylon body to deteriorate and eventually break. Typical - wiring diagram for the central locking, burglar alarm, on-board computer, additional heater end digital clock 10 Typical - headlighl washer syslem wiring diagram 13 Typical - electric window system wiring diagram 15 Typical - air conditioning system wiring diagram 17 Typical - wiring diagram for heated seats 19You can find the fuel injector test here: How To Test The Fuel Injectors (1992-1995 1.5L Honda Civic). The PGM-FI Main Relay can be easily tested with a multimeter. You can find the tutorial here: How To Test The PGM-FI Main Relay (1992-1995 1.5L Honda Civic). RELATED WIRING DIAGRAMS: Ignition System Wiring Diagram (1992-1995 1.5L Honda Civic).Dec 21, 2016 · The Tools I Use - https://www.amazon.com/shop/thefabforums*As an Amazon Associate I earn from qualifying purchases*On this episode I spent some time working ... Installing the Fuel Rails 5 Wiring Systems 6 Wiring Diagram 6 VSS 7 Main Power 7 Accessory Wires 7 Wiring Diagram (Continued) Red Wire 7 Orange Wire 7 Trans Control 7 Fuse Box 7 Coil D 7 Coil P 7 Knock 8 INJ P 8 INJ D 8 CKP 8 CAM 8 ALT 8 CTS 8 IAT 9 MAP 9 IAC 9 Wiring Diagram (Continued) TPS 9 Final Steps 9 Initial Programming 9 HandHeld ...The fuel injectors are responsible for controlling the amount of fuel that enters the engine and the timing of its delivery. Modern vehicle systems typically also meter the amount of fuel delivered through the fuel injectors with the help of the vehicle's electronic control module (ECM). Fuel injectors replaced carburetors as the primary ...Jan 10, 2013 · If it helps, here's a description of the 1999 fuel injector wiring: Each injector connector will have two wires, one of the wires will be 12 VDC power from the Automatic Shut Down (ASD) relay (when the engine is running). The 12 VDC wires are all the same color - Dark Green/Orange tracer. Each injector connector will have an individual driver ... Oct 23, 2017 · The Jaguar XJS V12 wiring diagram clearly outlines the entire electrical system used in the model. It shows the locations of the central fuse box, circuit breakers, capacitors, wires, and other components that ensure the vehicle performs efficiently. In addition, the diagram is color-coded and clearly labels each circuit so that owners can ... The block diagram of the Fuel Injection System is as shown in the Fig. 3. The time constraints of the system are imposed by the characteristics of the internal combustion engine to be controlled. It is defined that a turn of the engine i.e. 360° is completed once in every 5 micro seconds for 12,000 rpm. Refer to Ford Wiring Diagrams for Wiring 89 D IAGN O STIC CO D ES O - Self Test - Key On Engine Off R - Key On Engine Running C - Continuous Operation REGEN - Test Follows a REGEN CYCLE SHUT DOWN - Test Follows Key Off KO - Test Operates at Key On 1PC - Once Per Cycle Sep 1, 2023 · Remove the fuel injector wiring harness. Clean the injector with a solvent. Remove the injector and inspect it for signs of wear or damage. Install a new injector and reconnect the wiring harness. Reinstall the air cleaner assembly. Start the engine and let it run until it reaches normal operating temperature. Shut off the engine and check for ... Dec 29, 2016. #1. Couple of quick questions for you guys. Swapped a 5l in place of my 2lt (85 pickup) My 5l injection pump is a little different from the 2lt pump i used to have and the guys I bought the engine from mangled all the wiring. Looking over diagrams in the FSM has helped a bit but im hoping you guys can confirm a few things for me ...(a) Pull the 4 fuel injector assemblies out of the fuel delivery pipe sub-assembly. (b) Remove the O-ring from each fuel injector. (c) For reinstallation, attach a tag or label to each injector shaft. NOTICE: Prevent entry of foreign objects by covering the fuel injectors with plastic bags. (d) Remove the 4 injector vibration insulators.Apr 3, 2022 · Fuel Pump Wiring Diagram Help Jeep Enthusiast Forums. 2006 Jeep Grand Cherokee Fuel Pump Doesn T Power Up. Fuel Injector Circuit Wiring Diagram 1993 1995 4 0l Jeep Cherokee. Ignition System Wiring Diagram 1997 1998 4 0l Jeep Cherokee. Fuel Pump Electric 1984 1991 Jeep Cherokee Xj Online Manual. 98 Xj No Power To Fuel Pump Jeep Cherokee Forum ... Nov 19, 2018 · Definition and Function of Fuel Injector. A fuel injector is an electro-controlled valve that uses to spray out the fuel. In the petrol fuel injection system, the injector acts as a door to spray fuel from fuel lines into the intake manifold. The injector function is not only a sprayer, but the injector also atomizes the fuel in the intake ... Remove the fuel injector wiring harness. Clean the injector with a solvent. Remove the injector and inspect it for signs of wear or damage. Install a new injector and reconnect the wiring harness. Reinstall the air cleaner assembly. Start the engine and let it run until it reaches normal operating temperature. Shut off the engine and check for ...zzyzzx said: No difference in CA fuel injector wires on 5s-fe. In a sense, the injector control wire can be looked at like a garden hose with a trigger type hose nozzle on the end. Water pressure is in the hose as long as the trigger grip is closed. That is analogous to your 12 volts when the scope signal is high.To drive the fuel injector, the FICM produces two control signals for each injector. The open coil is driven (via a 20A pulse) to open the injector. This shifts the spool valve in the injector to the open state. Once this has taken place, high pressure oil is directed on top of the injector intensifier piston. In result, fuel 94 & 95 Mustang Electrical and Vacuum diagrams. Mustang Cylinder Head, Basic Mods, Engine Mechanical Information. Mustang EEC IV 5.0 HO Information. Note: Some of this may be A9L Specific! Mustang Automatic and Manual Transmission Information. Mustang Electrical and Vacuum diagrams.Feb 14, 2015 · The firing order for the Gen I small-block engine is 1-8- 4-3-6-5-7-2. The firing order for the LSseries engines is 1-8-7-2-6-5-4-3. Notice that cylinders 4 and 7 have swapped, and cylinders 3 and 2 have swapped. When you compare this PCM’s fuel injector wiring diagrams for the Gen I small-block with the LS-series engines, you see something ... P2155 Injector Positive Voltage Control Circuit Group 4. P216A Injector Positive Voltage Control Circuit Group 5. P216D Injector Positive Voltage Control Circuit Group 6 , check for any of these codes. Then follow the advice contained in the service bulletin. GM has determined that the fuel injector wiring harness may be causing the problems.INSTALLATION 2.4L Engine (1) If fuel injectors are to be installed, refer to Fuel Injector Removal/Installation. (2) Clean out fuel injector machined bores in intake manifold. (3) Apply a small amount of engine oil to each fuel injector o-ring. This will help in fuel rail installation.[ Active Fuel Management DELETE ] Visit my Facebook page for a lot of New Pictures & Harness Guides YouTube channel for How To videos - E-Mail: [email protected] Below you will find a link to many schematics for 2003 to 2007.Fig. 11: Comanche Multi-Point Fuel Injection Wiring Diagram (Wiring Diagram Not Available for Cherokee & Wagoneer Models) ’ DO NOT UNFASTEN THE SENSOR WIRE HARNESS CONNECTOR. INSERT THE VOLTMETER TEST LEADS THROUGH THE BACK OF THE WIRE HARNESS CONNECTOR TO MAKE CONTACT WITH THE SENSOR TERMINALS. FUEL INJECTOR TEST PROCEDURE CHART fuel injector wiring diagram and ECU pinout (computer) suzuki mehran EFI urdu/hindi Apr 10, 2014 · 1995 PCM RED Connector. The 1995 throttle body fuel injection (TBI) system's computer has 2 connectors. One is red and the other is a blue one. Each connector has 2 rows of 16 slots for a total of 32 slots. One row of the RED PCM's connector is prefixed with the letter A and its 16 terminals are labeled A-1 thru' A-16. The injector fuse should be fuse 57 (25 amp - marked with a red box on the photo below) in the left rear engine compartment. It wouldn't hurt to do a quick check on all of the fuses, though. I'll be curious to hear what the resistance check on the injector reveals.accurate wiring diagram and use your ohmmeter to verify that you are on the correct wire from the DME to the injector. Now that you have identified the correct wire, connect the injector side of the wiring harness to battery negative. Then, at the DME side, connect a test light (the load) to the injector terminal to be tested, then connect it to[ Active Fuel Management DELETE ] Visit my Facebook page for a lot of New Pictures & Harness Guides YouTube channel for How To videos - E-Mail: [email protected] Below you will find a link to many schematics for 2003 to 2007. Dec 21, 2016 · The Tools I Use - https://www.amazon.com/shop/thefabforums*As an Amazon Associate I earn from qualifying purchases*On this episode I spent some time working ... These GM wiring diagrams provide schematics for vehicle model years 1988 through 1998. Fig. 1: Index of Wiring Diagrams. Fig. 2: Sample Diagram: How to Read and Interpret Wiring Diagrams. Fig. 3: Wiring Diagram Symbols. Fig. 4: 1988-98 GM-C/K Series Wiring Schematic. Fig. 5: 1988-98 GM-C/K Series Wiring Schematic.accurate wiring diagram and use your ohmmeter to verify that you are on the correct wire from the DME to the injector. Now that you have identified the correct wire, connect the injector side of the wiring harness to battery negative. Then, at the DME side, connect a test light (the load) to the injector terminal to be tested, then connect it toINSTALLATION 2.4L Engine (1) If fuel injectors are to be installed, refer to Fuel Injector Removal/Installation. (2) Clean out fuel injector machined bores in intake manifold. (3) Apply a small amount of engine oil to each fuel injector o-ring. This will help in fuel rail installation. The block diagram of the Fuel Injection System is as shown in the Fig. 3. The time constraints of the system are imposed by the characteristics of the internal combustion engine to be controlled. It is defined that a turn of the engine i.e. 360° is completed once in every 5 micro seconds for 12,000 rpm.Definition and Function of Fuel Injector. A fuel injector is an electro-controlled valve that uses to spray out the fuel. In the petrol fuel injection system, the injector acts as a door to spray fuel from fuel lines into the intake manifold. The injector function is not only a sprayer, but the injector also atomizes the fuel in the intake ...
INSTALLATION 2.4L Engine (1) If fuel injectors are to be installed, refer to Fuel Injector Removal/Installation. (2) Clean out fuel injector machined bores in intake manifold. (3) Apply a small amount of engine oil to each fuel injector o-ring. This will help in fuel rail installation.. Vars
Dec 24, 2016 · zzyzzx said: No difference in CA fuel injector wires on 5s-fe. In a sense, the injector control wire can be looked at like a garden hose with a trigger type hose nozzle on the end. Water pressure is in the hose as long as the trigger grip is closed. That is analogous to your 12 volts when the scope signal is high. The wiring in the diagram doesn't match-up with the wires in my system, or it doesn't seem to. I put the yellow-wired plug in the #4 injector and the tan-wired plug in the #3 injector, and I'm pretty sure those two are good, but the first two don't match-up in color at all... but I also don't know what LG and LB means.Jan 23, 2021 · Black-Orange is injector power, as you already found out. The other wire is the 'negative' pulse that actually fires the injector. Since they are paralleled (I think the 4-cylinder is also run in pairs - though the diagrams show them spliced together, which may or may not be true), the other side should read basically the same DC voltage whenever the injector isn't firing (which is most of the ... I'm thinking either a ground short at/in the connectors, a short in the wiring from rubbing, or the common 2/7 injector connector faults Its kicking these codes, which make me think a wiring short as well: P0202 - Inj circuit / Open Cylinder 2 P0203 - Inj circuit / Open Cylinder 3 P0205 - Inj circuit / Open Cylinder 5 P0208 - Inj circuit / Open ...Dec 24, 2012 · Re: Fuel injector wiring. the fuel injectors are mixed up need the wire color for all the injectors pigtail going to the injectors. The injectors are glorified solenoids and the polarity doesn't really matter, the different-colored wires on the ECM side just need to go to the correct cylinders. The Jaguar XJS V12 wiring diagram clearly outlines the entire electrical system used in the model. It shows the locations of the central fuse box, circuit breakers, capacitors, wires, and other components that ensure the vehicle performs efficiently. In addition, the diagram is color-coded and clearly labels each circuit so that owners can ...Jul 15, 2016 · Step 2: Remove injector wiring harness. There may be a slide lock that you need to move before you can press down on the tabs to remove the wiring harness. Step 3: Set DVOM to measure ohms. Set the multimeter to measure ohms. Set it to the lowest range if the meter doesn’t autorange. Step 4: Test resistance with DVOM. Place the meter leads on ... Warning: Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion. FuelSystemPressureWarning Warning: Do not open the fuel system while the engine is running. Allow the fuel system pressure to drop before opening the system. The fuel system is under very high ...Tips on selecting the proper type of fuel injector connector. Fuel injector connectors are susceptible to deterioration due to aging, and wear and tear. A fuel injectors location on the engine exposes them to intense heat, vibration, and chemical fumes. Over time, these will cause the connectors’ nylon body to deteriorate and eventually break. The fuel injection wiring harness provides power to the injectors and the oxygen sensor, which determines how much fuel is needed for maximum efficiency. Over time, the fuel injection wiring harness can be damaged and needs to be replaced. If you notice your vehicle is idling roughly or misfiring or your engine isn't performing normally, be ... P2155 Injector Positive Voltage Control Circuit Group 4. P216A Injector Positive Voltage Control Circuit Group 5. P216D Injector Positive Voltage Control Circuit Group 6 , check for any of these codes. Then follow the advice contained in the service bulletin. GM has determined that the fuel injector wiring harness may be causing the problems.Mustang Wiring, Fuel Injection, and EEC Information, Use the information at your own risk. There is no claim to accuracy. Refer to Ford Wiring Diagrams for Wiring 89 D IAGN O STIC CO D ES O - Self Test - Key On Engine Off R - Key On Engine Running C - Continuous Operation REGEN - Test Follows a REGEN CYCLE SHUT DOWN - Test Follows Key Off KO - Test Operates at Key On 1PC - Once Per Cycle .