Gm fuel pump wires color codes. 1991 sedan Deville Cadillac wire color meanings for the f...

The fuel pump plays a vital role in the fuel injection syste

In this article, you'll find the pin out descriptions of the 4 PCM connectors for the 1998-1999 GM 4.3L, 5.0L or 5.7L Engines. NOTE: For other PCM pin-out charts, take a look at the following: 1993 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS w/ 4L60-E). 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS with A/T).The fuel pump wiring harness usually has a color code. Some wires are signal wires and others either carry power or provide a ground connection to the circuit to ensure that the current flow through the fuel pump. The typical S10 fuel pump wire colors used in GM vehicles are the grey, black and white strip, purple and black. The grey color wire ...Haynes Manual 24071 includes wire diagrams for all components. On the injector you have a pink and dark blue wire both are hot and signal wires. The only ground in the system is on the fuel pump and sender unit. Diagram 12-26 in the haynes maual. 1998 Chevrolet S-10 Pickup.1. The gray wire goes from the pump relay to the pump. The black white wire is the ground for the pump. The purple is for the gauge on the dash and the black is ground for the sending unit. I don't list a white wire being used. If the colors on the truck don't match the tank, you'll have to test them to verify each circuit.Cut the first pair of wires about two inches away from the electrical connectors. Then stagger the rest of your cuts by about an inch and a half and strip the wires. Crimp the vehicle wiring to the new wiring harness with the supplied connectors on all wires. Make sure not to trap any insulation between the electrical connector crimp.Access our GM Full-Size Trucks 1980-1987 Wiring Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides. Add your vehicle in Manage My Vehicles. Enter your vehicle details.LINCOLN Car Manuals PDF & Wiring Diagrams above the page - Aviator, Blackwood, LS, MKC, MKS, MKT, MKZ, Town Car, Zephyr, Navigator, Continental , Mark; Lincoln EWD s. In 1917, Henry Leland, the founder of the Cadillac brand, registered a new company, Lincoln, to begin production of aircraft power units commissioned by the United States military.1998 GMC Jimmy Had a new fuel pump and wiring harness installed 4th july last year. Ever since (hot Days ) 80degrees or above outside. when driving on highway or at least 55 miles per hour for at leas …The grey wire, which is comparatively bigger in diameter and is found on the GM fuel pump or the vehicle wiring harness, connects the fuel pump to the 12-volt battery positive through the fuel pump relay. ... Fuel pump wire color codes vary between different vehicle models. Therefore, knowing the correct color code is crucial for installing or ...Common colors include black, orange, and pink, each of which carries its own function. Black usually indicates a ground wire, while orange usually means "switched power," meaning that the voltage only occurs when the key is on. The pink wire may carry the voltage feed to the fuel pump relay coil terminal or a sending unit reference signal.GENERAL WIRING COLOR CODE . Color. Use Green or green w/yellow stripe(s) DC Grounding Conductors Black or Yellow DC Negative Conductors Red DC Positive Conductors Engine and Accessory Wiring Color Code Colour Item Use Yellow w/red strip (YR) Starting circuit Starting switch to solenoid Brown/yellow stripe (BY) or Yellow (Y) – see noteGm fuel pump wires color codes. qt. Fiction Writing. I see that Chevy used Delphi and AC Delco fuel pumps. jt. qa. kr. ia. ce wc. ta. dp cz ui np. ad ep. at as. iw uj. cs dv. dz aj. va sr. xx gs. co tt. jq io. geP1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage. P1116 ECT Signal Unstable or Intermittent. P1117 Engine Coolant Temp. Signal Out-Of-Range Low. P1118 Engine Coolant Temp. Signal Out-Of-Range High. P1119 ECT Signal Out-Of-Range With TFT Sensor. P1120 Throttle Position (TP) Sensor 1 Circuit.Mar 13, 2009 · 16 PURPLE - TURNSIGNAL FLASHER OUTPUT INTO TURNSIGNAL. 16 BROWN - HAZARD FLASHER OUTPUT INTO TURNSIGNAL. 16 BLACK - HORN RELAY TRIGGER (THIS IS GROUND) EXTERIOR LAMP WIRING. 14 GREEN - BAT FEED FROM HEADLIGHT SWITCH FUSE INTO BAT TERMINAL OF HEADLIGHT SWITCH. Marvin. Chevrolet Master. 85,242 Answers. There were some production changes in 1998 to the fuel pump wiring, so the connector can have 2 diff fuel pump power wire colors, the most common color is grey, but the the harness at the tank has just 4 wires, the larger wires at the four wire oval connector are the fuel pump 12 Volt and the other is ...155 Answers. Well if theres power going to the relay but not out, then you need a new relay. If theres power in and out of the relay, you might need a new fuel pump. The electric fuel pumps inside the tank are actually lubricated by the fuel as it pumps it, and if it runs dry long enough, it can burn out the pump. Posted on Aug 03, 2009.Typically, the ignition wire, often pink or orange, powers the ignition coil and other components once the key turns. Carefully connect this wire to the IGN terminal. If you’re working on a model with a unique ignition switch wiring Ford wire harness color code or a different brand, always consult the specific manual.The fuel pump and level sending units are replaced as a single componet. Before replacing your fuel module asmebly check your fuel pressure. If you have a 4.8L, 5.3L, 6.0L or 8.1L your fuell pressure should be 55 - 62 psi with the key on - engine off. If you have a 5.0L or 5.7L the key on - engine off pressure should be 60 - 66 psi.Gm fuel pump wires color codes. qt. Fiction Writing. I see that Chevy used Delphi and AC Delco fuel pumps. jt. qa. kr. ia. ce wc. ta. dp cz ui np. ad ep. at as. iw uj. cs dv. dz aj. va sr. xx gs. co tt. jq io. geInstalling Spectra fuel pump on 80's - 96 f150. Cutting stock wiring harness and re wiring the different colored wire positions. Hope this helps somebody o...To diagnose the P0629 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Conclusion. Each vehicle can have different colors for the power wire on a fuel pump. Most manufacturers will use red and black, but others will use gray, orange, or purple. If you cannot find the power wire, you can use a multimeter tool to measure if there is a charge flowing into the fuel pump.GMC Cars & Trucks. Image courtesy of Autozone.com. 2002 GMC Sonoma Extended Cab. You need a wiring diagram & start testing for. check the ground for the fuel pump. a wire with an eye connector is bolted to the left frame rail towards the back of the truck. You have to lay on your back and slide under the truck to see it.1 blue/black - positive line from fuel. 2 black/red - constant 12v or s. 3 black - ignition or starter wire. 4 green/red - light. 5 white/black -ground. Again, this is just from random information I gathered online. Then I just need to figure out how to connect this to my relay. The original relay is this green one.Which wire is hot on the fuel pump wires of a 1989 camaro rs engine 2.8L v6 OR where to get a free wire diagram to the? - Answered by a verified Chevy Mechanic. ... It should be the same color and the other wire at the pump is ground. If this doesn't help let me know and I can do some more digging ok.253 Answers. SOURCE: 2001 Chevrolet Impala 3.8 fuel pump wiring diagram. The wires should be grey, orange and black, purple, and a black wire. The purple goes to purple, grey to gray. The orange and black goes to the small black wire on your car harness and the black goes to the bigger black. Posted on Apr 30, 2009.Brown/White: Supplies +12 volts of power through the same route as the front fuel pump. Orange: Acts as the ground wire for the brown/white cable. Yellow/Light Blue: Transmits signals from the fuel level sender module to the instrument cluster. Black: Serves as the ground wire for the yellow/light blue cable.Disable the ignition or fuel system to prevent the engine from starting during your tests. If the ignition system is equipped with a distributor, you can disconnect the high-tension cable from the distributor cap and ground it to the engine (bolt or bracket) using a jumper wire. On other systems, you can remove the fuel pump fuse.F250 and f350 have the same wiring color codes for single fuel tank systems. A simplistic but fair summary would state that a 1955 chevy 283 and a 2004 ls1 have the same basic wiring. Wire diagram and color code for fuel pump 2002. Hot wire should have 12v, dark blue should have pulsing voltage and black should be absolute ground.Fuel Pump Wires Color Codes (Ford, GM, Others) from autocareaids.com Education and the importance of Color . Color is a sense of sight based on the electromagnetic spectrum. It's not an inherent property, but a phenomenon that is affected by a variety elements. This includes light absorption and reflection as well as interference and emission ...Here ya go. enjoy! 2002 GMC Sierra C1500 Car Radio Wire Color Codes. Car Radio Battery Constant 12v+ Wire: Orange. Car Radio Accessory Switched 12v+ Wire: Yellow. Car Radio Ground Wire: Black/White. Car Radio Illumination Wire: Brown. Car Stereo Dimmer Wire: Gray. Car Stereo Antenna Trigger Wire: N/A. Car Stereo Amp Trigger Wire: N/A.Common colors include black, orange, and pink, each of which carries its own function. Black usually indicates a ground wire, while orange usually means “switched power,” meaning that the voltage only …An orange or dark blue wire is usually run from the heat pump to this terminal. E: Any Color: ... Thermostat Wiring Color Code for Ecobee Thermostat. The Ecobee Thermostat comes with the expected Rh, Rc, Y1, Y2, W1, W2, G, O/B, and C terminals on the back but also comes with ACC+ and ACC- terminals to connect accessories such as Humidifiers and ...Save. VT1992S10 · #6 · Jun 22, 2007. its the white/tan 12 guage for the power to the pump, you can wire it in by the brake booster. 1992 S-10 350 14.4 @95mph----SOLD, FML. 1998 Jeep Cherokee.wire ranges: Motorcraft ® Part# Wire Range WT-56814 22-18 AWG WT-56815 16-14 AWG WT-56816 12-10 AWG WT-56869 8 AWG Expanded wire gauge applications for these splices can be found in Technical Service Bulletin Number 03-11-6. • Ford Engineering has determined that the combination of the crimped uninsulat-Anonymous. 253 Answers. SOURCE: 2001 Chevrolet Impala 3.8 fuel pump wiring diagram. The wires should be grey, orange and black, purple, and a black wire. The purple goes to purple, grey to gray. The orange and black goes to the small black wire on your car harness and the black goes to the bigger black. Posted on Apr 30, 2009.installed new fuel pump, need wiring diagram for it. new pumps now come with a new universal so we had to re-wire - GMC 2000 Jimmy question ... Need color code on new connector. ... 2000 chevy truck 3500 check wiring on fuel pump harness. Cars & Trucks; Open Questions:The wiring of a fuel pump is essential to its operation, and GM uses a color-coding system to identify each wire. In this article, we will discuss the various GM fuel …The 1993 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 other row is prefixed with the letter B and ...Two types of Colored Wires are used in the entire circuit of Toyota cars. These are Solid color wires (Primary) and Striped Wires (Secondary). The brown wires are known as earth or ground wires, mostly used as the negative/terminal end of the circuit. Green, Pink, Gray, Blue-Yellow, Purple, Black, White, Yellow.The gas gauge is almost always purple, lavender, lilac, mauve, periwinkle, plum, violet, or some such name. The GM wiring diagram calls it ppl. The other 2 wires are grounds. Black is almost always ground on a GM vehicle. Even if it has a white stripe. Attached are jpegs of original GM ppl and gry wires. These are new. Used wires could be dirty ...Sep 17, 2009 · Hello. Your Chevy's fuel pump assembly color code wiring should be grey (power) black (ground) purple (fuel level) and orange (low fuel warning). To check, attain a 12 volt test light and probe the wires one by one as an assistant turns the switch on and off without engaging the starter. Good luck and keep me informed; if you want to.The new fuel pump came with a vehicle wire harness connector replacement. The improved connector is designed to reduce premature failure in GM applications. The question I have is on the new fuel pump wiring harness, the colors do not match. The colors on pinout A-D; A-BLK 18 AWG; B-GRY 14 AWG; C-WHT 18 AWG; D-BLK 14 AWG.Engine Control Diagram for except 1972-74 and 1973-74 Custom and Hatchback. Body wiring diagram (part 1 of 2) — all 1962-79 models. Body wiring diagram (part 2 of 2) — 1962-68 Chevy II and 1969-71 Nova. Body wiring diagram (part 2 of 2) — 1972-79 Nova, 1973-79 Nova Custom/Hatchback, 1975 Nova LN and 1976-77 Concours.Here are the schematics: The thicker wires are for the fuel pump and they would work if you plug them in without the connector but ensure connections are tight as the fuel pump draws a rather high current and would heat up if connection is loose. Orange = Pump ground. Brown/White = Pump power.in tank fuel pump wiring diagram for 1983 chevy truck cannot get fuel gage to operate - chevrolet 1988 c1500 question. ... & 1 wire for fuel gage, the fuel gage wire goes directly to gage , inspect this wire , may change color on its way to gage, wire may have been damaged under truck, along frame rail, or has become corroded, a bump in the ...If you’re wiring money internationally, your bank will likely require you to include a SWIFT code or a BIC code with your wire transfer. This is because SWIFT codes help identify banks and financial institutions worldwide so that payments c...That's #20 size wire Light Blue or L-Light, BL-Blue. On the other side at the gang plug there is "20P". That means #20 size wire, Purple, or P- purple, etc. R- Red, DG- Dark Green, T- Tan. Same photo there is a "18B/W" That's a #18 size wire Brown with a White stripe together down the wire.Chevy Silverado Code P0455: Meaning, Causes & Fixes; Chevy Rear End Gear Ratio Chart; 4L60E Transmission Interchange Chart; ... Chevy Sonic Code 82: Meaning, Causes & Fixes; Chevy Spark Code 82: Meaning, Causes & Fixes; GM Fuel Pump Wires' Color Codes Explained; Chevy Cruze Wiper Blade Size Chart (2009 - 2023) 5 Best 0W-20 Synthetic Oils ...Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2009-2011 Chevrolet Traverse . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital ...wire ranges: Motorcraft ® Part# Wire Range WT-56814 22-18 AWG WT-56815 16-14 AWG WT-56816 12-10 AWG WT-56869 8 AWG Expanded wire gauge applications for these splices can be found in Technical Service Bulletin Number 03-11-6. • Ford Engineering has determined that the combination of the crimped uninsulat-The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand alone module. Some fuel pump motors on late model vehicles are brushless three-phase DC motors that require a special module just for the …128 Answers. SOURCE: I have a 1998 GMC. Your problem is that you are losing fuel pressure when the vehicle sits for a period of time. You will need to replace your fuel pump that is in your fuel tank.The fuel pump assembly has a one way check valve in it and when that check ball starts to where or jams the fuel leaks back in to the fuel tank.When it comes to electrical wiring, following the latest codes and regulations is crucial for ensuring safety and preventing potential hazards. Over time, these codes undergo updates and revisions to keep up with advancements in technology ...Haynes Manual 24071 includes wire diagrams for all components. On the injector you have a pink and dark blue wire both are hot and signal wires. The only ground in the system is on the fuel pump and sender unit. Diagram 12-26 in the haynes maual. 1998 Chevrolet S-10 Pickup.Installing Spectra fuel pump on 80's - 96 f150. Cutting stock wiring harness and re wiring the different colored wire positions. Hope this helps somebody o...In addition, the connector that comes with the fuel pump assembly has different color wires than the connector currently on the vehicle. Therefore, use the old connector as a wiring map for splicing in new connector. ... My 1996 GMC 1500, 4.3, 2wd pickup fuel pump quits on me after about 5 to 10 miles driving. I have change two fuel pumps and ...First , find the problem area on the wiring diagram. Highlight the individual circuit using a different color for positive and negative. Trace the wiring till you can see where a short may have taken place. Eliminate each portion of the diagram in sections until you find the short in the wiring. This makes knowing where to check connections ...In addition, all wires are color-coded. This will help you to identify the different circuits during installation and later on if additions to the overall system are necessary. For fuse specifications and wire color designations see Section 9.0. This complete truck wiring system has been designed with three major groups incorporated into it: Anonymous. 253 Answers. SOURCE: 2001 Chevrolet Impala 3.8 fuel pump wiring diagram. The wires should be grey, orange and black, purple, and a black wire. The purple goes to purple, grey to gray. The orange and black goes to the small black wire on your car harness and the black goes to the bigger black. Posted on Apr 30, 2009.I am replacing the fuel pump on my 1999 chevy suburban. The replacement pump included a new 4 pin connector with - Answered by a verified Chevy Mechanic ... A 1999 GMC Jimmy wire color code for the fuel pump the old connector doesn't match the new one old has 2 black 1 gray 1 purple wire The new one wires are 1 red 1 yellow 1 blue 1 black ...If the vehicle set a P2149 by itself and it did not also set a p0202,p0203,p0205,p0208 then it is an internal problem in the ficm. At the passenger side of the alternator-- the FICM wire harness is tied down to the bracket with a zip tie. The sharp corner of the FICM bracket cuts into the wire loom and the wires.Your issue will lie between the wiring in the fuel pump and tank fuel pressure sensor or pcm. Make sure there are no after market things like amps for radio or anything else. ... need opt reset the fuel pump switch on my 2002 chevy Silverado 1500 ... Check engine light is out and am not getting any codes now.Fuel pressure was 12 after changing ...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). Figure 1 ± Wire ...Here's a look at the most common symbols and what they signify: Brown - Used to represent the light switch. White - Used to represent the horn switch. Gray - Used to represent the fuel pump switch. Purple - Used to represent the starter switch. Pink - Used to represent the ignition switch.Automotive Consultant. Vocational, Technical or Tra... 26,191 satisfied customers. 94 chevy: fuel filter..fuel pump relay..start without..starting fluid. i have a 94 chev silverado 5.7 tbi. i have replaced the fuel filter, fuel pump, and fuel pump relay, and the fusses are all good. the truck will not start … read more.Item Links! Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1998-2004 Chevrolet S-10 Pick-Up . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires ...Wiring GM fuel pumpThe Ford wire harness color code is used to identify the purpose of each wire in the harness. The color code includes six colors: black, brown, yellow, green, blue, and red. Each color represents a different function, such as power, ground, or lighting. The color code is typically printed on the insulation of the wires, making it easy to ...When you replaced the fuel pump, fuel pump fuse, checked the wiring. There is one thing left to checkSep 22, 2014 at 09:29 AM about the 1998 GMC Sierra 1500 K1500 SLE 4WD Extended Cab SB. 1998 gmc k1500 5.7L. one of the inserts on the connector for the fuel pump is not getting juice to it. according to a wiring diagram it is the gray pump power wire. there are 4 ports in the connector. 2 grounds. pump power. and sender signal. the sender ...This is a list of the Chevy Color code as recognized by most wiring companies. This is by no means absolutely complete as Chevy changed things here and there as well as had different color codes for …Your issue will lie between the wiring in the fuel pump and tank fuel pressure sensor or pcm. Make sure there are no after market things like amps for radio or anything else. ... need opt reset the fuel pump switch on my 2002 chevy Silverado 1500 ... Check engine light is out and am not getting any codes now.Fuel pressure was 12 after changing ...Aug 18, 2012 · PCM Connector: Blue (C1) 1996-1997. The 1996-97 PCM (Powertrain Control Module = Fuel Injection Computer) on your 4.3L, 5.0L or 5.7L Engine has a total of 4 connectors. NOTE: For other PCM pin-out charts, take a look at the following: 1993 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS w/ 4L60-E). Chevy Silverado Code P0455: Meaning, Causes & Fixes; Chevy Rear End Gear Ratio Chart; 4L60E Transmission Interchange Chart; ... Chevy Sonic Code 82: Meaning, Causes & Fixes; Chevy Spark Code 82: Meaning, Causes & Fixes; GM Fuel Pump Wires' Color Codes Explained; Chevy Cruze Wiper Blade Size Chart (2009 - 2023) 5 Best 0W-20 Synthetic Oils ...This guide demonstrates how to gather diagnostic trouble codes and their definitions for GM manufactured vehicles made before 1995. Most GM cars (non classic) made before 1995 are equipped with the ODB1 computer operating system. ... Use a jumper wire and connect terminals A and B on the ALDL. ... EGR system failure or fuel pump circuit low ...1. Eliminate the filter as a possibility. If the filter gets clogged with sediment, you can have trouble accelerating and might suspect your fuel pump has got a problem. To check it, remove the filter from the vehicle and drain excessive fuel from the filter. Use a short piece of rubber hose on the filter inlet.The 12 volt pump feed wire will be most-likely gray but it is not unusual to see a white wire here (just be sure of the gauge diameter). Now working with the two smaller gauge wires for the fuel level sensor. The level sensor signal wire is purple and sometimes with a white tracer stripe; this will match up with the connector purple wire.The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand alone module. Some fuel pump motors on late model vehicles are brushless three-phase DC motors that require a special module just for the …Diagram Gm Fuel Pump Wires Color Codes Whispering the Secrets of Language: An Psychological Quest through Diagram Gm Fuel Pump Wires Color Codes ... Ford Fuel Injection & Electronic Engine Control Charles O. Probst 1993 The authoritative, hands-on book for Ford Engine Control Systems. Author Charles Probst worked directly with Ford engineers ...NOTE: The wiring diagram illustrations in this article cover only: 1993 4.3L, 5.0L, and 5.7L GMC/Chevrolet pickups with the 4L60-E automatic transmission. For the 1994 fuel pump wiring diagram, check out the following article: 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L).1999 to 2002 Vortec PCM Pinouts. [ PCM PROGRAMMING ] [ WIRE HARNESS INFO ] [ Active Fuel Management DELETE ] page for a lot of New Pictures & Harness Guides channel for How To videos - E-Mail: [email protected]. Incase you missed the link on the prior page, here you can DOWNLOAD and PRINT these!!253 Answers. SOURCE: 2001 Chevrolet Impala 3.8 fuel pump wiring diagram. The wires should be grey, orange and black, purple, and a black wire. The purple goes to purple, grey to gray. The orange and black goes to the small black wire on your car harness and the black goes to the bigger black. Posted on Apr 30, 2009.What is the purple wire on a GM fuel pump? Yellow It is linked to a 20 amp fuse. ... Web1 Ford F Fuel Pump Wires Color Codes (Single Fuel Tank) PinkBlack Black Yellow White and Black Orange 2 Ford F Fuel Pump Wires Color Codes. The color code charts for Ford F with a single fuel tank. In case the reading is greater than 0. When the fuel pump is ...Apr 20, 2012 · This video is about how to install a new Airtex fuel pump module into some GM applications that will require you to install a new wiring connection. Airtex i... . Jun 16, 2019 · 1991 sedan Deville Cadillac wire colorIf the vehicle set a P2149 by itself and i In this video, I show how a fuel pump relay works and how to bypass yours. I also show how to rewire your fuel pump for an upgraded fuel system or race car. ...A detailed, step-by-step guide for how to replace a fuel pump wire harness, and connect the new wiring harness that may be supplied with a new fuel pump.Know... The stated color codes are usually used: Black or Pink: Ground Wire. Disable the ignition or fuel system to prevent the engine from starting during your tests. If the ignition system is equipped with a distributor, you can disconnect the high-tension cable from the distributor cap and ground it to the engine (bolt or bracket) using a jumper wire. On other systems, you can remove the fuel pump fuse.Aug 18, 2012 · In this article, you'll find the pin out descriptions of the 4 PCM connectors for the 1998-1999 GM 4.3L, 5.0L or 5.7L Engines. NOTE: For other PCM pin-out charts, take a look at the following: 1993 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS w/ 4L60-E). 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS with A/T). २०११ डिसेम्बर ८ ... hey guys, I know someon...

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