1987 Other Ford Models engine control module wiring relay

Tiny
LARRY62882
  • MEMBER
  • 1987 FORD
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 87,000 MILES
I just bought this car its a 1987 merkur xr4ti 2.3 liter turbo. Car sat in storage for 5 years went to buy it the owner said fule pump was out so I replaced it the ignition key switch has been pop out lost keys car cranks but no juice going to any fuel pumps lights or anything works. Any idea were to start. Also was wanting to know were the engine control module wiring relay is located at on this car. Hope you can help me ty larry
Friday, March 26th, 2010 AT 8:56 PM

25 Replies

Tiny
RACEFAN966
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Ok so do you have power to anything when you turn the key on? Will it try to crank at all?
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Monday, March 29th, 2010 AT 9:30 AM
Tiny
LARRY62882
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YES THE MOTOR CRANKS OVER BUT NO POWER TO ANY THING. EXCEPT PARKING LIGHTS AND LICEN. PLATE LIGHT AND A FEW LIGHTS ON DASH LIKE WASHER FLUID COOLANT LIGHT. AND ALSO NO POWER TO ELECTRIC WINDOWS OR HEATED SEAT.
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Tuesday, March 30th, 2010 AT 10:22 PM
Tiny
RACEFAN966
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OK lets start with tying to get power. Now near the battery off the positive cable there is a couple of fuse links make sure that they are good and not burnt. So the battery cable goes to the starter relay and off the starter relay there is a brown wire and green wire those are the wires with the fuse links that I would like you to check. Let me know what you find and we will go from there.
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Wednesday, March 31st, 2010 AT 10:01 AM
Tiny
LARRY62882
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Ok I checked the fuse links and there good
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Wednesday, March 31st, 2010 AT 10:46 AM
Tiny
RACEFAN966
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Ok near the battery there is a solenoid (see pic). I need you to check it for power. Now the battery cable from the battery (+) side goes to it should have power now there should be no power to the other side. Now I need you to crank it over and see if there is power to the other side and check the S term and then check the I term. Let me know what you find.


https://www.2carpros.com/forum/automotive_pictures/249564_51047_2.jpg

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Friday, April 2nd, 2010 AT 9:53 AM
Tiny
LARRY62882
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OK THE SOLENOID I HAVE ON CAR ONLY HAS 1 WORE THAT PUSHES ON WITH 2 BIG WIRES THAT BOLT ON 1 FROM BATTERY AND 1 GROUND.
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Friday, April 2nd, 2010 AT 9:40 PM
Tiny
RACEFAN966
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Ok if you would include pic as that is now how it should be it grounds through the base. Should be wired as such. Battery to solenoid (large post). Ignition switch to solenoid (large post on battery side). Solenoid to start (other large post). Ignition switch to neutral saftey switch to solenoid (small post). Base is ground. This is according to the wiring diagram for you car. So what I would like to know is if there is power to the small post when you try to crank it over. Let me know what you have there. Thanks.
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Saturday, April 3rd, 2010 AT 9:32 AM
Tiny
LARRY62882
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Ok yes it has power to the small wire and the other big terminal is hot all the time when I crank it over have power to all wires that hook up to solenoid they are all hot small wire is hot when cranked ty larry
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Saturday, April 3rd, 2010 AT 6:27 PM
Tiny
RACEFAN966
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So I take it that it is cranking over now but still not starting? If this is correct then if you would remove a spark plug wire from a spark plug and put a philips screw driver in the end and put it near metal (valve cover) and crank it over and see if there is spark.
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Tuesday, April 6th, 2010 AT 9:27 AM
Tiny
LARRY62882
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The car has always cranked over but im not getting any power to fuel pumps threw the wires I have by passed the fuel reset switch was hoping it was that but it wasnt there is no power coming from fuse panel when I use a test light on the wire that goes to fuel pumps and dead I have replace the relays but still nothing could it be the ecc or the fuse panel its self?
Ty larry
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Tuesday, April 6th, 2010 AT 10:40 AM
Tiny
LARRY62882
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Yes the car has always cranked over and yes it has fire to the spark plug I put old plug in wire and tested it, it sparks. The problem im having is that the wires that run the fuel pump does not have power to them with just the ignition switch on or even when I crank it over still no power to the wires
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+1
Wednesday, April 7th, 2010 AT 12:34 AM
Tiny
RACEFAN966
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Ok I just like to make sure we don't miss anything. Now as for power to the pump should be as such. You should have power to the pump for about 3
seconds when you first turn the key on and then when cranking and running. Did you check fuse number 20 in the fuse box? This is the fuel pump and fuel pump relay fuse. Let me know if the fuse is good and we will check the relay next. You do have a digital multi meter to do the tests?
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Wednesday, April 7th, 2010 AT 9:55 AM
Tiny
LARRY62882
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Ok fuse is good but now power going to it when the ignition is turned on or when cranked over no power to fuse 20 at all dead and yes car has fire to spark plug when tested ty seems like we might be getting closer :)
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Wednesday, April 7th, 2010 AT 9:04 PM
Tiny
RACEFAN966
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Ok so there is no power to fuse 20? If there is no power to that fuse then we need to determine why as this is what powers the fuel pump. Have you checked the inertia switch? The inertia switch is in the spare tire well. It has a button on the top push this button and see if it starts. Here is a pic of what one normally looks like.


https://www.2carpros.com/forum/automotive_pictures/249564_DSC01070_1.jpg

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Thursday, April 8th, 2010 AT 9:20 AM
Tiny
LARRY62882
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Ok the fuel pump reset switch wires were cut I put them back together and still nothing the fuse 20 still has no power but put another new fuse in it to check it and still nothing ty larry
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Thursday, April 8th, 2010 AT 11:11 PM
Tiny
RACEFAN966
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Ok did you push the button on the fuel pump reset to make sure it didn't get bumped? Check fuse 11 this supplies power to the fuel pump relay. Let me know what you find here. If this is good then I would like to check the fuel pump relay it may be no good.
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Friday, April 9th, 2010 AT 10:07 AM
Tiny
LARRY62882
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Ok I have power to fuse 11 but its the fuse to heated seats is what my fuse panel is showing and yes I pressed the reset button and nothing still no power to fuse 20
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Friday, April 9th, 2010 AT 9:02 PM
Tiny
RACEFAN966
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Ok on the fuse box in the car there are relay's. Now relay number 4 is the fuel pump relay (see pic). What I need you to do is turn on the key as you have you hand on the relay and does it click? If not then I need you make sure there is power to the relay should be blue wire. Then make sure the brown wire with the white stripe has power. THen make sure there is power coming out of the relay on the black wire with red stripe, this is how the power is sent to fuse 20 to power the fuel pump. If you have power to but no power coming out of the relay then replace the fuel pump relay. Let me know how it goes.
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Saturday, April 10th, 2010 AT 7:45 AM
Tiny
LARRY62882
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Ok the only blue wire I can find in or under fuse panel is a blue with white stripe and it does not have power and the brown with white stripe has power the black wire with red stripe does not have power and the relay does not click ty larry
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Saturday, April 10th, 2010 AT 8:27 PM
Tiny
RACEFAN966
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OK first off thanks for sticking in there with me I know this is taking a bit but I just need one more thing. Could you include a pic and term numbers of the relay so I can tell you how to test it to see if it is working? Thanks
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Monday, April 12th, 2010 AT 12:00 PM

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