- Foxbody eec power relay So I have a new fuel pump relay and a new EEC relay. Mar 23, 2017 · The relay on the left is the real fuel pump relay. 9V coming out. But no power going to the coil with the key in the run position. Can anyone confirm if the relay could be the origin of the clicking or what else in EEC area could make that noise? Dec 4, 2010 · The first thing to do is the part that's the most fun! LOL Disconnect the battery (of course!). Thread starter Chietala; Start date Jun 11, 2007; Chietala New Member. Jun 28, 2007 · pins 20, 40 , 60 , 49 are grounds EEC connector (for reference only- no modifications to connector wires required) A long flat 60 pin (3 vertical rows of 20) connector at the EEC unit (not all positions used) Aug 25, 2016 · Can you bypass a/c wot relay? 1990 foxbody . Oct 2, 2015 · How to Manually Test EEC-IV OBD1 Trouble Codes on a Fox-Body Mustang for Free Tech Center, How It Works: Manually Testing EEC-IV Trouble Codes on a Fox Agustin Jimenez Writer Oct 02, 2015 It is in the metal pocket below the PCM. pin 1 yellow wire circuit 37 is before the pcm relay and should be pin 30 on the relay. I went and looked at my 1988 Ford wiring diagram and also went and double checked in my 1988 GT and also my 1990 5. Nov 1, 2005 · EEC relay location on 89 GT. If there is no ground, the relay will not close the power contacts. So, is it the computer or not\/ hehe Any ideas? _____ Feb 23, 2020 · 94-95 models only: EEC or PCM power relay in the constant control relay module. I checked voltage from Red/Green wire . Here is a link that explains how to test a relay: Apr 13, 2017 · E. Apr 15, 2012 · The EEC Power Relay's high current circuit (wire 4) is getting power (TEST 2). ,injectors. tried several relays from diff. The fp relay is energized,the pump primes for 2-5 seconds then shuts off,then the ecm waits until it detects engine rotation (via the pip sensor pulse)and once it sees this pulse the fp relay is energized Sep 9, 2022 · A big issue that many Fox Body Mustang owners have is finding their Fox Body fuel pump relay location. How The Circuit Works Mar 12, 2007 · The first relay is the WOT/AC reley. General karthief but waited 20 mins went back out and no power to fuel pump Oct 28, 2017 · 1987 - 1996 F150 & Larger F-Series Trucks - EEC Relay Problem!!! - Hi, Been working on a crank,no start problem(s)! Fixed the no spark problem but have now hit a wall with a voltage drop on my EEC relay! I have 12. Jul 29, 2014 · Relay: The red wire for the fuel pump relay coil gets its power feed from the ECC relay. Found a company in Melbourne, FL (ECU Exchange) and for a reasonable $139, they rebuilt the computer. 0 and am running down a fuel pump issue. Nov 29, 1999 · If the relay & inertia switch are OK, you will have power to the pump. Check fuel pressure – remove the cap from the schrader valve behind the alternator and depress the core. 94-95 models only: EEC or PCM power relay in the constant control relay module. Reactions: all1knew Dec 30, 2009 · The fuel pump relay cutting out is more than likely a result of the EEC losing power, not vise-versa. Fuel should squirt out, catch it in a rag. This section focuses on the electrical help for the Fox Body Mustang such as how to install a mini-starter or even EEC computer codes. i took a pict of a factory wiring diagram for the 90 mustang gt. Post your comments below!Thanks For Watching!For Merch head over to our store o Mar 17, 2003 · Where is the EEC power relay? jrichker StangNet's favorite TOOL. hope this helps. I am, however, not getting power to pins 37 and 57. battery power. May 25, 2008 · As you can see in this, that wire (Pin 1) is right off hte battery, and has a fusible link stock I believe. I tested for 12V at the Red/LtGreen wire coming in to the EEC Relay - which I believe is the wire that provides the trigger for the relay to close - turned the key and I got power. – KOEO- Fuel pump monitor circuit shows no power - Fuel pump relay or battery power feed was open - Power / Fuel Pump Circuits. Nov 26, 2006 · E. Find many great new & used options and get the best deals for 87-93 Ford Mustang ECU EEC Relay Mass Air Speed Density Engine Harness A9l A9p at the best online prices at eBay! Free shipping for many products! So I've got power going to the EEC and power going to the EEC relay. Find many great new & used options and get the best deals for 87-93 Ford Mustang Mass Air Harness ECU Relay Switch Factory EEC IV E3UF-12A646 at the best online prices at eBay! Free shipping for many products! With the fuel pump relay plugged back in the EEC clicks as it should with the key turned to on but no click at fuel pump relay. Aug 28, 2020 · I attached a pic below showing starter relay and EEC module locations. Got yellow low volt spark. . Dec 8, 2007 · E. If your Mustang is the later built 92 model,youve indeed found the fuel pump relay on the strut tower. Apr 30, 2012 · The Red wire should have battery voltage (12 VDC). The ECC relay is located on top of the computer, which is under the passenger’s side kick panel. See full list on foxstang. 1K views 1 reply 2 participants last post by 89coupe Feb 24, 2010 Replace your defective PCM power relay in your Fox with a 1986-1993 Mustang factory-style PCM power relay! Mach-E, Shelby GT500, GT350, GT350R, New Edge, Boss 302 Sep 13, 2003 · Mustangs after mid year 1991-1993 will have the fuel system relay mounted out under thehood by the pasenger side strut tower. The fuel pump obviously doesn't prime and I do not have any spark. It is good to know that depending on the year, the fuel pump relay will be located in different areas. could the eec relay be in the power distribution box under the hood? Feb 24, 2010 · 1989 Mustang GT EEC Relay Location? Jump to Latest 9. There will be two relays attached to the bracket a green/black one which is the fuel pump relay, and a brown/black one which is the EEC relay. Jun 16, 2006 May 25, 2005 · #1131, Mac equal length ceramic headers and pro chamber, Flowmaster cat back, Kenny Brown K member brace, strut tower brace & subframes, Steeda adjustable rear swaybar, Motorsport trak-link kit, upper control arms, Mac caster camber plates, Hurst short throw, 75mm Pro-M mass air, GT-40 intake, 70mm Accufab throttle body, 155 fuel pump, adj. Mac shorty headers and H-pipe, Magnaflow catback. Look for 12 volts at the fuel injector red wires. Sounds like the solid state device in your computer that grounds the relay coil might be bad. Sep 8, 2015 · Pin 19 is fed +12V from the output of your fuel pump relay. Pin 22 is grounded by the EEC to trigger the fuel pump relay, so this goes to one side of the relay trigger coil - the other side of the relay trigger coil goes to a switched +12V source. At the EEC, I'm getting good grounds and constant 12v power. Oct 7, 2017 · 3 of the fuel pump relay wires are hot and 1 is a ground. Keep in mind that you can have voltage to all the right places, but the computer must provide a ground. Western Motorsports Inc 223114 120 St SE Calgary, AB T1X 0J7 Phone: (403) 243-6205 Fax: (403) 243-8102 Email: fastford@wmsracing. It is the Mar 1, 2006 · if u have power there but no power to injectors then there is a break in the wire in that injector harness. ) No ECC or computer power - fuse or fuse link failure Mar 4, 2017 · E. I think during the wiring tuck I missed something. It is the relay that powers the ECM, injectors, EEC controlled actuators, the FP relay, etc. No 12 volts and the ECC wiring is Jul 9, 2012 · This wire feeds switched +12V power to your ignition coil, distributor TFI module, and the trigger for the EEC power relay. The coil of the fuel pump relay is fed +12v from the EEC power relay. The EEC Power Relay IS NOT outputting voltage (wire 3) (TEST 3). I would like to change EEC power relay coil before changing EEC, but I just cannot find it. If the EEC cuts out the WOT relay, the compressor shuts off. It seems that the EEC relay might be bad because I'm only getting 3. I do not hear/feel any relays clicking in the ON position, but I do hear the EEC and the FP relays clicking in the CRANK position. 2nd switch puts th Feb 19, 2010 · I have a 1988 Ford Mustang 5. Jul 25, 2003 1,859 1 36 Springfield, MO. 1 terminal should have 2 wires to it. the wires are for: gray/yellow- o2 heater power, tan/LT Green-ecm pin 22, Red-inertia switch,organe/DK blue-pin 54, black/white-signal return for netural safety switch,red/LT green-pin2, tan-pin 17 to check engine light. If you have an Advance Auto or Autozone where you're at go to it and buy the GP Sorensen part # MR14 for the EEC power relay. Mar 10, 2000 · No 12 volts at the inertia switch, the ignition switch is turned off or faulty or there is no power to the EEC (computer) power relay. It is draining my battery. No 12 volts at the inertia switch, the ignition switch is turned off or faulty or there is no power to the EEC (computer) power relay. On the 60-pin connector that plugs into the computer, remove the black plastic "cap" which holds the wire bundle at a 90 degree angle to the connector. Jul 8, 2019 · The EEC-IV grounds the relay to energize it and the Holley provides power so you'll need to ground the tan/light green wire at the relay and connect the red wire from the relay to Holley fuel pump wire. Oct 12, 2022 · A big issue that many Fox Body Mustang owners have is finding their Fox Body fuel pump relay location. 0L Fox Body Mustang. These Ford-style relays (BROWN socket = EEC power; GREEN socket = fuel pump) are notorious for causing intermittent failures in the EEC & fuel pumps. 0 and recently the fuel pump stop priming! Before I just go out any buy a new fuel pump, i wanted checked the fuel pump relay and the inertia switch. Nov 13, 1999 · 94-95 models only: EEC or PCM power relay in the constant control relay module. I'd highly recommend getting an origianl Ford relay, though, as GP Sorensen relays are total garbage (especially their 100% worthless crap fuel pump relays). this same 12v wire also supplies the iac and purge canister solenoid with 12v. The fuel injection computer then Grounds circuit 1. Nov 4, 2007 · I jumped the Relay and the pump ran. Im only asking so I can verify which setup youve got. mine has a constant 12 volts. . the black/orange wire should have 12v. '88 GT convertible, 5 speed, 3:08 gears, A9L Mass Air conversion. Dec 25, 2008 · I will assume you are using a 89-93 al9 pcm. Thermactor TAB/TAD and EVR Solenoids These are located on the passenger side strut tower (facing the rear). I've seen a… Oct 14, 2021 · I'm using a custom built EEC-IV bench test setup to test basic functions of a Fox body Mustang Computer. I did not see what I thought would be the relay. A faulty ignition switch could also cause the issue, since it supplies power to the relay. Jun 16, 2006 · 94-95 models only: EEC or PCM power relay in the constant control relay module. Try to find its location and check if it clicks when the ignition is turned on. Aug 9, 2011 · EEC relay is located behind the passenger side kick panel of the console on the ECU bracket. Dec 29, 2017 · Check for 12 volts at the red wire on the inertia switch. Does this sound Apr 30, 2002 · This ground causes the relay coil to energize and close the contacts for the power path. Next I pulled the passenger side kick panel and looked for the EEC relay which I thought would be mounted next to the computer. ) No ECC or computer power - fuse or fuse link failure Mar 18, 2015 · The main dash harness from the donor car connects the dash switches to the EFI harness. Mar 10, 2000 · Hi guys I have an 88 lx that isn't getting any power to the fuel pump. Feb 18, 2001 · 94-95 models only: EEC or PCM power relay in the constant control relay module. pin 1 and pin 57 are hot at all times looking at my evtm manual. To be sure look for good 12 volts on the red wire on any fuel injector. Yesterday, this EEC PWR relay decided to lock on, killing the May 22, 2015 · with the key in RUN, the power from eec relay switched contacts sends power to the fuel pump relay coil, the other side of the relay is ground side switched at pinn 22 of the ecm. In this test, (TEST 4), you have confirmed that the wire labeled with the number 1 is providing Ground for the low current circuit of the EEC Power Relay. When I try to scan OBD it tells me that the switch is not on and cannot communicate with EEC. Sep 12, 2016 · The EEC power relay for only the engine control computer is on top of the engine control computer located behind the passenger side kick panel. com Mar 28, 2011 · ok I check my spark today looking for a miss. I show you how to diagnose a relay and the basic principals of how it works. Fuel pump and EEC relays are new. This is the same for all Mustangs from 86-95. IOW- the ecm turns this ground on & off at will,in order to control the fuel pump through the fp relay. May 29, 2006 · "The Gree/Tan wire goes to the EEC and the EEC ground that wire to pick up the relay secondary curuit (coil) and turn on the pump (primary power circuit). This voltage comes from the ignition switch. You will have to remove the PCM to get to the EEC power relay. 8V going into the switch side and a good Jan 7, 2008 · This circuit feeds both the inertia switch and the EEC (pin 19). from what is explained to me, i believe it's the green wire with yellow tracer should only get power once the key is on and then it grounds the relay which closes it and turns on the pump. Jun 16, 2002 · On my 88 this is a common power wire from the EEC relay when in run position. 0 Notchback! I swap the wiring,ecu,and mass air meter, from a 93 Ford Mustang! :winks My problem is that eec relay gets really hot and plug is melted! Ive change the eec relay and the fp relay but no changes it still gets really hot! Ive clean all grounds and they are bolt up really tight! I dont know what do Apr 22, 2002 · Where is the EEC tester located on my 95 GT, I know that the main computer is in the kick panel (I am not an idiot), but people have told me to look under the hood, or the the steering cloumn, I have yet to find it, also I haven't looked for it, I did look in my chilton's manual, but I couldn't find it, I am looking for the fuel pump relay. red/light green 12v key power. ) No EEC or computer power - EEC or computer relay failure 86-93 models only: EEC relay next to computer - look for 12 volts at the fuel injector red wires. Because it ran, I can say that the circuit is fine from the EEC Relay, thru the Inertia Switch, thru the FP Relay and to the pump. The EEC supplies the ground to the Fuel Pumpp relay via the LB/O wire. Last edited by a moderator: Sep 26, 2023. Apr 15, 2012 · If you read the section 'EEC Power Relay Circuit Descriptions', you're aware that there are 2 wires that supply power to the EEC Power Relay. I'm guessing the answer is "yes" so that the EEC, coil, and distributor have power while cranking. Pin 57 is yellow,circuit 361 is after the relay it should be on pin 87 or 87a of the relay. I’ve seen a lot of people say it’s on the passenger side kick panel below the computer but it seems to be somewhere else. My 1990 Sport Coupe, the EEC power relay is attached to the top of the PCM bracket. You can put the inertia switch inline with the main power to the pump or inline with the trigger wire. Jun 11, 2007 #1 Jun 11, 2007 #1 Oct 29, 2010 · Well I have been at this one for awhile, replaced fuel pump, fuel pump relay, EEC power relay, checked fuseable links, ignition side is good, so I read the wires on the fuel pump relay and all wires have 12v except for the pink/black wire which goes to the pump, so if I dont have power there but Oct 25, 2015 · The 87-91 & early 92 Mustangs have the fuel pump relay under the driver seat & the later 92-93 has the relay on the passenger strut tower,under the maf meter. If you replace that relay and the fuel pump is still giving you fits, the only other item left to replace would be the fuel pump. When it comes to the relay, when the ignition is on, Pin 4 has 12V DC on it, and Pin 2 has 3. Feb 16, 2012 · The first thing to do is the part that's the most fun! LOL Disconnect the battery (of course!). Wire labeled with the number 2 feeds the low current circuit of the EEC Power Relay with 10 to 12 Volts from the ignition switch. Mar 10, 2000 27,514 2,869 234 Dublin GA. But with the jumper my fule pump wouldn't go??? I had a new relay handy from the sensor pack I bought. The EEC relay and fuel pump relay (I have no pic) is located on the left fender apron, on a relay assembly. I have the computer out right now so it should Apr 29, 2002 · The EEC power relay is located just above your EEC processor. Apr 6, 2011 · 94-95 models only: EEC or PCM power relay in the constant control relay module. Hi all! I am having problems with fuel pump receiving two volts when the key is off and ten volts when I turn the key on. Unhooked connecter by drivers side firewall Got 12v not connected 3. That's for a quick fix. stores. The power path picks up from a fuse link near the starter relay. Will a bad fuel pump relay cause the blue, 20 gauge EEC power relay fusible link to blow?? The confusing thing about it, for me, is that after the new fusible was installed, the ports for the fuel pump relay still had no power. Does that wire have a fuse? Dart Blocked SBF, PT106mm, Callies Magnum Crank, Oliver billet rods. Nov 19, 2018 · Hey guys pints and pistons here with a video on changing a multifunction relay on a 1986 mustang GT. EEC power relay location Mar 16, 2017 · There’s a WAC (Wide Open Throttle – AC – Cutoff) relay on the passenger side fender apron and an EEC power relay behind the passenger side dash. ) No ECC or computer power - fuse or fuse link failure May 2, 2003 · Where is the EEC power relay? I know that it is in the passenger side kick panel near the ECM, but where? What exactly does it look like. As soon as I reconnect the battery cable my fuel pumps starts running. in run a prime of ~1second is normal. 0 I got my car back together and have no power to fuel pump. Power comes from Fuse Link G (20 ga Dark Blue) to the ECC Relay and when the relay energizes power goes to the Red circuit. You'll have to remove the EEC from the bracket to get to the relay. com Feb 24, 2010 · Ok kinda knew to wiring on foxbody's but on a 1989 gt where is the eec relay located? Jan 3, 2010 · EEC relay is behind the passenger side (RH) kick panel. Power (in the form of 10 to 12 Volts) is applied to circuit 4. I do have power at both ends of inertia switch. Fusible links fried. 1st switch sends power to the PCM. Jul 6, 2004 · The quality and/or reliability of GP Sorensen's relays has not been good as said by a lot of individuals (including myself) on this board. I'm getting 6v at the inertia switch all the way up to the EEC relay. 6V DC on it. Oct 13, 2014 · I have a 89 LX 5. black/light green ground. I popped it in and then all the voltages were 12v. Could my EEC Mar 7, 2016 · What could make that sound in the area of the EEC? EEC power relay? I tried to pull the relay a while back to check it out/test, but was unsuccessful in accessing it (was trying to avoid tearing apart the dash). It may be a bad connection on the solenoid, or the link may be bad. Remove the computer and the EEC Power relay that sits directly above the computer. If the EEC-IV main power relay is still in the car, the red wire you cut at the fuel pump relay will provide key on power for the Holley ECU. Jun 24, 2004 · Sounds like the EEC relay alright. The output of the inertia switch feeds the fuel pump. 89 LX 5. 0L Sport Coupe. It is good to know that depending on the year, the fue Mar 2, 2017 · The fox Mustang’s EEC IV computer has two connectors for self-testing and located on the driver-side firewall. Good 12 volts means the EEC relay is working. The low going signal for activation of the fuel pump relay comes from pin #22 on the EEC (also tied to the VIP test connector) EEC Power Relay/Shutdown problem Audio, Security, & Electronics EEC Power Relay/Shutdown problem - MustangWorks. The other one is mismarked or the wrong part number. Jan 3, 2010 · A/C-Heater Box-Power Steering-Smog-Cruise Control INSTALLED:-Long tube Headers-Gt-40 Intake EEC relay is behind the passenger side (RH) kick panel. No 12 volts here, and the ECC relay has failed or there is bad wiring or bad connections coming from it. Jan 16, 2012 · Power (in the form of 10 to 12 Volts) is applied to circuit 2. my diagram isn't showing the eec relay location but shows the color wires if u need that info. I plan on switching out the EEC relay but is there anywhere else I should be looking to see why this voltage is so low. big G :bigthumbsup Jun 26, 2005 · And it smoked out the fusble link(EEC power relay) again after I put the ignition to the "on" position. jumped wire to Coil and TFI wont start( I guess no volts going to eec relay?) 4. Dec 2, 2022 · relays1. The small pigtail is the self test input (STI). Taking all of your test results into account The electrical systems on the Fox Body Mustangs aren’t super complex, nor are the EFI systems on the 86+ Mustangs. Jun 18, 2001 · 94 GT fuel pump relay: phantom74: Windsor Power: 0: 02-01-2004 07:14 PM: electrical issues with fuel pump and relay circuit: Conman: Windsor Power: 5: 10-30-2003 02:19 PM: How much does a new EEC power relay cost? Bad89stang: Windsor Power: 1: 05-03-2003 11:16 AM: POWER SEAT SWITCH: aaa: Windsor Power: 1: 09-24-2001 10:52 AM: Where is the PCM Jul 18, 2007 · Right under the MAF, with the EEC relay right next to it. the green 8 pin connector is one of the links between the computer harness and the body harness. Sep 21, 2006 111 0 0 Sacramento. TheUser Active Member. I’ve checked and and with the fuel pump relay jumped I have 35ish pounds of pressure at fuel pump rail, but still doesn’t start due to EEC relay bugging out I believe. for some reason the eec is not sending the command to turn on the pump. Aug 14, 2023 · This video was very helpful in diagnosing my issue. The EEC power relay will not prevent the starter from engaging but will stop fuel. fuel pressure regulator, Crane ignition system Mar 2, 2022 · The relay marked EEC power relay could cause this issue (top middle of first diagram and bottom right of second diagram). jpg This is a common problem in all pre-'92 EFI F-series & Broncos. This voltage comes from the EEC Power relay. I have their EEC power relay in my car with no problems as of yet for the last 3 years. Nov 19, 2006 · E. In this video, Landan explains the locations for the fuel pump relay in a fuel-injected 1986-1993 5. If you need a copy of the wiring diagram, let me know. You never stated your year of vehicle - so the above should help you to locate the fuel relay. line side power to the pump is HOT all the time. But Nov 13, 1999 · Where is the critical wire that provides ground to the eec relay. 5 volts 2. The tan/lt green wire is the ground. Jul 22, 2011 · 94-95 models only: EEC or PCM power relay in the constant control relay module. ) No ECC or computer power - ECC or computer relay failure 86-93 models only: ECC relay next to computer - look for 12 volts at the fuel injector red wires 94-95 models only: EEC or PCM power relay in the constant control relay module. The reason is simple::if you have Mar 24, 2011 · The orange/blue wire from starter relay has 12v. Sep 26, 2016 · The diagram below shows what happens when you turn the key on. I then jumpered the relay bk/o and the red ( both have two wires) when closed the realy passes battery voltage. It gets power via the ECC relay which energizes when the ignition is in RUN. Code 96 causes & tests 91-93 models. Both 86-93 and 94-95 models: No 12 volts with the ignition switch in the run position on the fuel injector red wires. It also gives the 'high power' in feed to the EEC relay. The EEC gets its power through a fusible link attached at the starter solenoid. I have 11. Any ideas? Does the fuel pump have to prime Jul 26, 2023 · '79: Air Conditioning Clutch, Heated Backlight Relay, Speed Control and Illuminated Entry | '80: Air Conditioning Clutch, Liftgate Wiper Washer, Speed Control, Rear Window de-icer, Trunk Release and Light out Warning | '81-'82: Accessories, Air Conditioning Clutch, Heated Rear Window Relay Coil, Deck Lid Release, Power Window Safety Relay Mar 14, 2008 · The EEC relay is not sending the power where its supposed to (inductor side). The eec relay is actually what energizes the fp relay when the key is turned on. The relay has failed or there is no power coming from the ignition switch. In Remembrance. However,its a cycled ground controlled by the ecm,rather than a constant ground,like everyone is use to. The ecm grounds this wire in order to complete Nov 29, 1999 · Where is the EEC Power Relay? Thread starter TheUser; Start date Mar 14, 2004; T. 7v to the red/black wire coming into the fuel relay. Ultimately, eec relay, fuel pump relay, inertia switch, and ignition switch all tested good so I boiled it down to the computer. The large connector contains the self test output (STO) and ground (SIG RTN). 1. Thank you for your contributions. Hooked Aug 31, 2003 · I've inherited a yardfind 91 5. F. com : Ford Forums Featuring a large, friendly Mustang enthusaist community with message forums, chat, classified ads, a performance analyzer, and the ability to post your own Mustang on our User's Rides section and upload your own Mar 2, 2009 · lets see if this works . It's mounted with one of the screws for the EEC processor bracket on the top. I think I ran another wire with an inline fuse for the eec relay power. where does it actually ground to the car?. Car now starts without issue. 1 red wire and 1 orange/ black that one powers up the eec system, sol. I'm having issues with my fog lights not working and thi Jan 29, 2003 · Well I put in a new EEC Relay and still have te same problem: my fuel pump runs ALL the time. There is a red and light green wire (You can find it/trace it at the ignition coil. I also checked for bare wires, etc and no luck. I’ve been having a no start issue and I’m pretty positive it’s my eec relay cause I’ve got no power to my inertia switch, pump and pump relay. I have talked with no less than ten people about this and not one can tell me where it is or what to look for. Their fuel pump relays are total & complete garbage and should be avoided at all times. Did I possibly mess with a ground or power wire going to the EEC relay or fuel pump relay? Does the EEC relay control power going to the ignition coil or fuel pump relay? I have no power going to the ignition coil and no power going to the fuel pump, I can jump from the fuel pump relay to the battery and it will prime but not run. Mar 14, 2004 May 25, 2015 · 94-95 models only: EEC or PCM power relay in the constant control relay module. I can't tell right off by looking at the schematic if this wire should also get power with the key in the START position. Tested the red wire going to the EEC relay while cranking-no power there. Mar 20, 2009 · Just a note: (Unless your wiring has been changed) You should have a blue 20 ga wire that connects to a 14 ga Black/Orange wire running from your EEC Power Relay and EEC Computer; The red wire comes in off your battery + ; The Dark Green 14 ga wire connects to your 10ga Black/Orange wire coming from the Alternator; Red/Lt Green 18ga wire connects to the Clutch Interlock or Neutral Safety Jan 2, 2009 · Doing a carb to EFI conversion on a 89 GT and just now starting to work out the electrical demons. You can eliminate most of the emissions control wiring. These two wires are labeled with the numbers 2 and 4. May 15, 2009 · yes. This activates the fuel pump relay to pass current from circuit 4 to circuit 3. There are 4 connectors, but no relay. 2V going in from the battery but only 4. All it is really doing is carrying the +12V power to the compressor clutch, through the WOT relay. wfc nxdxbd ltswbp butbqh anpfi abbsi fuvck wkvy lfsz ispp lxck dvadg syljq izfojl vzhi