you plan on trying to re-use the factory fuel injection, be sure to retain all factory fuel injection wiring when removing the old harness. Circuits for the factory fuel injection are NOT included in this harness. If you do not have an existing harness, the package of terminals included with the harness that will enable you to make all of theThe fuel injector wiring diagram will show the connections between the fuel injector, the engine control unit (ECU), and the power supply. The power supply is typically a battery or an alternator. The ECU is responsible for controlling the fuel injector, and it will receive signals from the sensors in the engine.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 ...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 ...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 ...fuel injector wiring diagram and ECU pinout (computer) suzuki mehran EFI urdu/hindiA common problem with the 7.3 are the valve cover gaskets which contain the wiring harness for both the injectors and the glow plugs, so that is the first suspect. I would recommend replacing the gaskets as a first step however I have attached all the wiring diagrams for the engine in your truck, including the glow plugs and injectors.DODGE Car Manuals PDF & Wiring Diagrams above the page - Caliber, Town'n'Country, Journey, Nitro, Charger, RAM; Dodge Fault Codes DTC . Dodge - a division of the American corporation Chrysler, specializing in the production of passenger cars, as well as off-road vehicles. Headquarters in Highland Park (a suburb of Detroit).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 ...Isuzu Trooper 1995-2001 Electrical Wiring Manual. Isuzu Axiom 2002 Electrical Wiring Diagrams. Isuzu Axiom 2003 Electrical Wiring Diagrams. Isuzu Ascender 2003 Electrical Wiring Diagrams. Isuzu Ascender 2004 Electrical Wiring Diagrams. Isuzu VehiCross 1999 Electrical Wiring Diagrams.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 ...The 1KZ-TE injector pump wiring diagram is essential for making sure that your vehicle runs as smoothly as possible. It is important to understand how these diagrams work, so that you can diagnose and repair any problems that may arise. The wiring diagram will allow you to identify the correct wire connections and get the most out of your vehicle.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 CHARTIf 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. Isuzu Trooper 1995-2001 Electrical Wiring Manual. Isuzu Axiom 2002 Electrical Wiring Diagrams. Isuzu Axiom 2003 Electrical Wiring Diagrams. Isuzu Ascender 2003 Electrical Wiring Diagrams. Isuzu Ascender 2004 Electrical Wiring Diagrams. Isuzu VehiCross 1999 Electrical Wiring Diagrams.DODGE Car Manuals PDF & Wiring Diagrams above the page - Caliber, Town'n'Country, Journey, Nitro, Charger, RAM; Dodge Fault Codes DTC . Dodge - a division of the American corporation Chrysler, specializing in the production of passenger cars, as well as off-road vehicles. Headquarters in Highland Park (a suburb of Detroit).Mike Schneider. Expert. 245 Answers. I wold look around the top engine .by are filter.or follow your cranking weir from starter bakwords maybe to relay look for chafing.what Sta's hot Will cranking coil distributor.or unplug one injector at a time and try this wold be my last try. try using breaker not heavy jumper weir have sum one tap the key ...This is the wiring diagram for the fuel injectors on the 2.0. This circuit is not fused, the injector harness connects to the main harness. My suspicion is you have physical damage on the harness and you will have to remove the harness and inspect it to identify. @FatMango.Mike Schneider. Expert. 245 Answers. I wold look around the top engine .by are filter.or follow your cranking weir from starter bakwords maybe to relay look for chafing.what Sta's hot Will cranking coil distributor.or unplug one injector at a time and try this wold be my last try. try using breaker not heavy jumper weir have sum one tap the key ...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.SOURCE: 87 toyota pickup 4x4 22ret i have no injector OK, the computer grounds one of the curciuts on each injector to pulse it. Interesting information from alldata, the autodata and mitchell and Bosch AFC all show a code 11 as being ECM (B+) that I have, which could be the EFI main relay, fuse, fuse link or wiring (usually one of the wires on the battery terminal have broken off or corroded ...WIRING DIAGRAM FUEL PUMP WITH RELAYThanks for watchingDont forget to SUBSCRIBEFacebook: https://www.facebook.com/widebandremap/DODGE Car Manuals PDF & Wiring Diagrams above the page - Caliber, Town'n'Country, Journey, Nitro, Charger, RAM; Dodge Fault Codes DTC . Dodge - a division of the American corporation Chrysler, specializing in the production of passenger cars, as well as off-road vehicles. Headquarters in Highland Park (a suburb of Detroit).2003 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 Knobinjector 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 ...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.Problems with fuel injector circuit. This is my first time posting. I bought a 2009 cadillac cts 3.6 and it will not run. Whwn it does crank it runs really rough. So i read codes and looked at live data when it did crank and it showed injector 6,3, and 4 is not being commanded on the codes are p2152, p2155, p216d.1992-1993 F150-F350 PCM 60 Pin Connector (4.9L, 5.0L, 5.8L Only) The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Ford pickup. The PCM has a 60 pin connector and on the back side of the connector (wire side) are embossed a few numbers to further aid you ...Injector Wiring Diagram. 887 Views 2 Replies 2 Participants Last post by Monty65 , Jan 23, 2023 Jump to Latest. Monty65 Discussion starter · Jan 23, 2023. Does anyone have the wiring diagram they could post for the fuel injector harness on a 2015 Town and Country, 3.6L engine? Thanks. Reply.Mike Schneider. Expert. 245 Answers. I wold look around the top engine .by are filter.or follow your cranking weir from starter bakwords maybe to relay look for chafing.what Sta's hot Will cranking coil distributor.or unplug one injector at a time and try this wold be my last try. try using breaker not heavy jumper weir have sum one tap the key ...the fuel rail. A return line from the fuel rail takes excess, or bypass, fuel back to the vehicle tank. Your fuel pump should be mounted under the floor near the fuel tank, or inside the fuel tank. Connected to the harness power feed, the fuel pump will operate for 2 seconds when the ignition is turned on. It willFuel Injector Wiring Diagram can be divided into two classifications: schematic diagrams and pictorial diagrams. Schematic diagrams use signs and lines to represent the components and their affiliations, while pictorial diagrams use practical pictures of the parts.Conclusion. Zafira wiring diagrams are an important tool for technicians when diagnosing vehicle issues. With these diagrams, technicians can easily identify components, power output, and trace circuits. This can lead to quicker and more effective repairs. Understanding how to read and use these diagrams is essential for any technician looking ...Toyota Yaris 2007 ELECTRICAL WIRING DIAGRAM. Toyota Land Cruiser Prado 90 Electrical Wiring Diagram. Toyota Land Cruiser Prado 120 Electrical Wiring Diagram. Toyota Land Cruiser HJ60 Electrical Wiring Diagram. Toyota Land Cruiser LJ70 EWD168F Electrical Wiring Diagram. Toyota Land Cruiser LJ70 Supplement Electrical Wiring Diagram.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.My main question is about the second wire on the injectors. Do they all connect go the 30 from the fuel pump relay? In the harness wiring diagram it shows the 30 terminal from the relay going to the J & K terminals on the injector main harness. Does 3 go to J and 3 go to K being it's a 4.3L V6?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 ...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.SOURCE: 87 toyota pickup 4x4 22ret i have no injector OK, the computer grounds one of the curciuts on each injector to pulse it. Interesting information from alldata, the autodata and mitchell and Bosch AFC all show a code 11 as being ECM (B+) that I have, which could be the EFI main relay, fuse, fuse link or wiring (usually one of the wires on the battery terminal have broken off or corroded ...SOURCE: 2000 ranger fuse diagram. Fuel Pump relay switch is in the main box usually located on the drivers side Fender in a black box. According to the owner's manual in the power distribution box in the engine. compartment (Ford recommends disconnecting your battery) Relay # 5 is the fuel pump relay , and also in the PD BOX is a 20 amp mini-fuse.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 ...When using the Haltech long flying lead harness this is already pre-terminated, injector power is supplied via a fused and relay switched circuit. If you are wiring your own harness you will need to ensure that injector power is fed into the ECU via the injector power pins. Failing to do this may result in unstable operation and electrical noise.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.Jan 18, 2011 · Injector Circuit & Wiring DiagramAmazon Printed Bookshttps://www.createspace.com/3623928Amazon Kindle Editionhttp://www.amazon.com/Automotive-Electronic-Diag... The wiring harness will have two terminals that the prongs on the injector insert into. One will be connected to ground and will read 0 volts. The other should read around 12 volts. Step 5: Repeat with all injector wiring harnesses. Leave the ground lead in position and test all of your injector wiring harnesses. They should all be around 12 volts.Instruction Manual for the following Go EFI Systems 30001, 30002, 30004, 30012, 30061, 30062 & 30064 This Quick Start Manual is designed to get you up andWiring 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).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.2004 Mazda Rx8 Fuel Injector Connector Diagram Rx8club Com. Rewiring The Rx 8 Fog Lights. Rx8 Wiring Manual Rx8club Com. Power Seats Mazda Rx 8 2004 System Wiring Diagrams 자동차 배선도. All Wiring Diagrams For Mazda Rx 8 R3 2009 Cars. I Have A 2004 Mazda Rx8 Took It To Body Get Some Minor Paint Work And Detailing Done When Got BackInstruction Manual for the following Go EFI Systems 30001, 30002, 30004, 30012, 30061, 30062 & 30064 This Quick Start Manual is designed to get you up andYou 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).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.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.When using the Haltech long flying lead harness this is already pre-terminated, injector power is supplied via a fused and relay switched circuit. If you are wiring your own harness you will need to ensure that injector power is fed into the ECU via the injector power pins. Failing to do this may result in unstable operation and electrical noise.Method 1 (Paired) The standard method is the same as that used for 6 or 8 cylinder setups, where 2 injectors are connected to each injector channel. In this configuration, only 2 injector channels will be used. The injectors paired together must have their Top Dead Centres (TDC) 360 crank degrees apart.Chrysler fuel injector wiring harness is a known problem. Most car makers run power to the fuel injectors on a common wire. The PCM then provides the ground to each fuel injector on an individual wire as it fires each injector. Unfortunately, Chrysler injector wiring harnesses are a known failure item, especially where the harness routes near ...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. fuel injector stays open. 7986 Views 8 Replies 4 Participants Last post by Kirsa , Apr 2, 2015 Jump to Latest. K. Kirsa Discussion starter · Feb 26, 2015. I´m having two codes on my 2006 cadillac dts 2006 with vin #1g6kd57yx6u108037. The codes are p0304 and p0204 I have changed both the coil and injector and suspect the Harness to be the culprit.OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Chevrolet Cobalt, HHR, Malibu models. It fits Pontiac G5, G6, Solstice. It also fits Saturn Aura, Ion, Vue. Affordable, reliable and built to last, GM part # 12604950 Harness Assembly, Fuel Injector Wiring stands out as the smart option.Car is an 06 330i and im getting codes p0203 and p0304. The car will start but idles extremely rough and the rpms fluctuate between about 1k to 1500 rims at idle. I replaced cylinder 3 fuel injector with parts from fcpeuro, and ive tested the wiring harness and seem to have 12v across the board. All injectors seem to be spraying, but I still ...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 CHARTfuel injector wiring diagram and ECU pinout (computer) suzuki mehran EFI urdu/hindiIf 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 ...DODGE Car Manuals PDF & Wiring Diagrams above the page - Caliber, Town'n'Country, Journey, Nitro, Charger, RAM; Dodge Fault Codes DTC . Dodge - a division of the American corporation Chrysler, specializing in the production of passenger cars, as well as off-road vehicles. Headquarters in Highland Park (a suburb of Detroit).The wiring harness will have two terminals that the prongs on the injector insert into. One will be connected to ground and will read 0 volts. The other should read around 12 volts. Step 5: Repeat with all injector wiring harnesses. Leave the ground lead in position and test all of your injector wiring harnesses. They should all be around 12 volts.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.Share. Access our free Wiring Diagrams Repair Guide for Toyota Pick-ups, Land Cruiser, 4Runner 1989-1996 through AutoZone Rewards. These diagrams include: Fig. 1: Engine wiring-T100 1993-94 3.0L. Fig. 2: Engine wiring-T100 1994 2.7L. Fig. 3: Chassis wiring-T100 1993-94.fuel injector stays open. 7986 Views 8 Replies 4 Participants Last post by Kirsa , Apr 2, 2015 Jump to Latest. K. Kirsa Discussion starter · Feb 26, 2015. I´m having two codes on my 2006 cadillac dts 2006 with vin #1g6kd57yx6u108037. The codes are p0304 and p0204 I have changed both the coil and injector and suspect the Harness to be the culprit.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 ...AUTOMATIC. 223,000 MILES. Getting code reading for injector #3 circuit. Changed plugs, wires, and injector. Problem persists. While troubleshooting with wiring diagram, discovered that vehicle wiring is not matching Mitchell diagram. Did discover while replacing injector wiring plug, that I had to look to year 2001 for the replacement.Problems with fuel injector circuit. This is my first time posting. I bought a 2009 cadillac cts 3.6 and it will not run. Whwn it does crank it runs really rough. So i read codes and looked at live data when it did crank and it showed injector 6,3, and 4 is not being commanded on the codes are p2152, p2155, p216d.you plan on trying to re-use the factory fuel injection, be sure to retain all factory fuel injection wiring when removing the old harness. Circuits for the factory fuel injection are NOT included in this harness. If you do not have an existing harness, the package of terminals included with the harness that will enable you to make all of theRefer 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 Cycle1992-1993 F150-F350 PCM 60 Pin Connector (4.9L, 5.0L, 5.8L Only) The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Ford pickup. The PCM has a 60 pin connector and on the back side of the connector (wire side) are embossed a few numbers to further aid you ...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.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 ...Share. Access our free Wiring Diagrams Repair Guide for Toyota Pick-ups, Land Cruiser, 4Runner 1989-1996 through AutoZone Rewards. These diagrams include: Fig. 1: Engine wiring-T100 1993-94 3.0L. Fig. 2: Engine wiring-T100 1994 2.7L. Fig. 3: Chassis wiring-T100 1993-94.Fuel injectors are mechanical devices used to inject/spray fuel into engines to produce the correct air-fuel mixture, leading to efficient combustion. In 1920, Bosch created the first diesel fuel injector in response to rising fuel demand and prices. Introducing fuel injection to vehicles improved acceleration and fuel efficiency, making ...Remove the air cleaner assembly. 3. Remove the wiring harness connectors and the brackets and move aside. 4. Remove the throttle cable and the bracket from the upper intake manifold. 5. Remove the cruise control cable, (if equipped). 6. Remove the fuel lines from the intake to the rear of the block.
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. 23 signs you
The fuel injector wiring diagram will show the connections between the fuel injector, the engine control unit (ECU), and the power supply. The power supply is typically a battery or an alternator. The ECU is responsible for controlling the fuel injector, and it will receive signals from the sensors in the engine.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.Video explains the how to test the Fuel Injector Electrical Actuation Diagnostics using a Wiring Diagram. See how to go about it.https://www.paypal.com/donat...Fuel Injector Circuit Wiring Diagram (1999-2002 V8 Chevrolet Silverado, GMC Sierra) NOTE: The above fuel injector circuit wiring diagram applies to the following vehicles: 4.8L Chevrolet Silverado (1500, 2500): 1999, 2000, 2001, 2002.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.Part 2 of 2: Testing injector wiring. Step 1: Turn the car on. Turn the key to the second (ON) position for this test. You want battery power flowing, but don’t want the engine running. Step 2: Set up DVOM to measure DC voltage. Use the lowest range possible if the meter doesn’t auto range. 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 ...In engine wiring harness, 5 cm from breakout to fuel injector 3. See Fig. 65. J109 (3.5L & 3.9L) On fuel injector wiring harness. J109 (5.3L) (1) In engine wiring harness, 5 cm from breakout to fuel injector 4. See Fig. 65. J115: In automatic transaxle wiring harness, 9.5 cm from connector X100. J124 (5)Jan 18, 2011 · Injector Circuit & Wiring DiagramAmazon Printed Bookshttps://www.createspace.com/3623928Amazon Kindle Editionhttp://www.amazon.com/Automotive-Electronic-Diag... 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 CHARTProblems with fuel injector circuit. This is my first time posting. I bought a 2009 cadillac cts 3.6 and it will not run. Whwn it does crank it runs really rough. So i read codes and looked at live data when it did crank and it showed injector 6,3, and 4 is not being commanded on the codes are p2152, p2155, p216d..