Question about 1997 Ford Econoline

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Unsure if spark plug wires are connected to the coils correctly

Replaced a bad ignition coil, and now I'm unsure if the wires are connected to the right terminals. I can hear a spark sound when I turn the car on.

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I presume what you replaced was the coil pack. if it's a six cyclinder which my windstar was... the numbering on the pack is one to three on one side. and 4-6-5 on the other. either ford had a better idea or they wanted to see if mechanic paid attention. you haven't mentioned the motor is running rough, but the spark sound suggests something is off. start from the coil pack and make sure each wire is where it should be. it's numbered right on the pack. the wires hopefully will have numbers stamped right on them.
follow each wire to see which cyclinder it goes to to make sure the order is correct.

Robert

Posted on Dec 16, 2008

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Posted on Jan 02, 2017

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1 Answer

No spark from coil to distrubuter


Disconnect the ignition coil output wire at the distributor cap.
Connect a spark plug to the end of the ignition coil output wire which you just disconnected.
Connect a ground wire to the threaded portion of the spark plug.
Disconnect the ignition coil ground wire from the negative terminal on the coil (Green Wire).
Connect one end of a ground wire to the ignition coil negative terminal.
Turn the ignition switch to the ON position.
Tap the other end of the ignition coil ground wire jumper on an good grounding point (for example the battery negative terminal) and look for sparks at the spark plug that correspond to the frequency of your tapping of the ground wire.
If you have a good spark at the spark plug, the ignition coil is good.
If you don't get a good spark, check for approximately 12 VDC from the coil positive terminal (black wire) to ground with the ignition switch in the ON position. You should also get approximately 12 VDC from the coil negative terminal (Green wire) to ground
Ignition Coil Resistance Check

In addition to the test above, you may elect to perform an ignition coil resistance check as confirmation of the coil's condition.

Check the ignition coil primary coil resistance by connecting an ohmmeter between the positive (Black wire) and negative (Green wire) terminals on the coil. The resistance should be 0.4 to 0.6 ohms.
Check the ignition coil secondary coil resistance by connecting an ohmmeter between the coil output terminal and the ignition coil negative terminal. The resistance should be 5000 to 7200 ohms.

You may have a bad coil or bad ground or wire connection

Jan 23, 2017 | Cars & Trucks

2 Answers

IGNITION FAILURE ON 280 ZX (82)


  1. Turn the ignition switch OFF. Disconnect the fusible link connector for the fuel injection wiring harness. Be sure the ignition is OFF before doing this. Disconnect the cold start valve wiring harness connector. Disconnect the high tension lead (coil-to-distributor) at the distributor and hold it 0.13-0.25 in. (3.3-6.3mm) away from the cylinder head with a pair of insulated pliers and a heavy glove. When the engine is cranked, a spark should be observed. If not, check the lead and replace as necessary. If there is still no spark, go on with the following system checks.
    1. Make a check of the power supply circuit. Turn the ignition OFF. Detach the connector from the top of the IC unit. Turn the ignition ON. Measure the voltage at each terminal of the connector in turn by touching the probe of positive lead of the voltmeter to one of the terminals and touching the probe of the negative lead of the voltmeter to a ground, such as the engine. In each case, battery voltage should be indicated. If not, check all of the wiring, the ignition switch and all connectors for breaks, corrosion, discontinuity etc., then repair as necessary
    2. Check the primary windings of the ignition coil. Turn the ignition OFF. Detach the harness connector from the negative coil terminal. Use an ohmmeter to measure the resistance between the positive and negative coil terminals. If resistance is 0.84-1.02 ohms, the coil is OK; replace it if the reading is far from this range.
  2. If the power supply, circuits, wiring and coil are in good shape, check the IC unit and pick-up coil as follows:
    1. Turn the ignition OFF.
    2. Remove the distributor cap and ignition rotor.
    3. Using an ohmmeter, measure the resistance between the two terminals of the pick-up coil, where they attach to the IC unit. Measure the resistance by reversing the polarity of the probes. If approximately 400 ohms are indicated, the pick-up coil is OK, but the IC unit is bad and must be replaced.
0900c152800716f1.jpgFig. 10: Connect the ohmmeter to the pick-up coil terminals-1979-83 models 0900c152800716f3.jpgFig. 11: Remove the screws (arrows) to detach the IC unit-1979-83 models
  1. If the resistance is other than 400 ohms, proceed with the following:
    1. Be certain the two pin connector to the IC unit is secure.
    2. Turn the ignition ON.
    3. Measure the voltage at the ignition coil's negative terminal.
    4. Turn the ignition OFF.
WARNINGRemove the tester probe from the coil negative terminal before switching the ignition OFF, to prevent burning out the tester.
    1. If 0 voltage is indicated, the IC unit is bad and must be replaced.
  1. If battery voltage is indicated, remove the IC unit from the distributor, by proceeding as follows:
    1. Disconnect the battery ground (negative) cable.
    2. Remove the distributor cap and ignition rotor.
    3. Disconnect the harness connector from the top of the IC unit.
    4. Remove the two screws securing the IC unit to the distributor.
    5. Disconnect the two pick-up coil wires from the IC unit.
WARNINGPull the connectors free with a pair of needlenose pliers. DO NOT pull on the wires to detach the connectors.
    1. Remove the IC unit.
  1. Measure the resistance between the terminals of the pick-up coil. It should be approximately 400 ohms. If so, the pick-up coil is OK and the IC unit is bad. If the resistance is other than 400 ohms, the pick-up coil is bad and must be replaced.

Oct 13, 2008 | 1983 Nissan 280ZX

2 Answers

Car turns over but i'm getting no spark what could cause that or how do i fix that so i get spark


Start with the ignition coil. It should have power to it with key on. Should be battery voltage on the primary circuit to the coil-that's the coil positive terminal. If the coil is good, it could be a bad ignition module-the module cuts primary current to the coil when commanded by the engine computer.
It could be several things-fouled plugs, bad plug wires, cracked distributor cap, bad rotor, crank sensor or pick up coil (inside the distributor), pcm. Test the ignition coil, or try a known good coil.

Mar 15, 2014 | 1992 Dodge Colt

1 Answer

My 92 explorer has no spark


Hi, here are some tests you can do to diagnose the problem. Please let me know if you have questions.

First, use a voltmeter or 12 volt test light to check for power on the red wire going to pin 8 of the ignition control module when the key is on. The module is in the left front corner of the engine compartment.

jturcotte_2441.gif
jturcotte_2440.gif

If there is no power, the problem is the ignition switch or EEC relay. If there is power, next, check the ignition coil as listed below.

IGNITION COIL TESTINGPrimary and Secondary Circuit Tests
  1. Turn the ignition switch OFF , disconnect the battery, then detach the wiring harness connector from the ignition coil to be tested.
  2. Check for dirt, corrosion or damage on the terminals.

PRIMARY RESISTANCE
  1. Use an ohmmeter to measure the resistance between the following terminals on the ignition coil, and note the resistance:

Except 2.3L, 2.5L and 5.0L engines


B+ to Coil 1 B+ to Coil 2 B+ to Coil 3
The resistance between all of these terminals should have been between 0.3-1.0 ohms. If the resistance was more or less than this value, the coil should be replaced with a new one.

SECONDARY RESISTANCE


jturcotte_2439.gif

Fig. Fig. 1: Engine ignition coil harness connections-3.0L and 4.0L engines

  1. Measure, using the ohmmeter, and note the resistance between each corresponding coil terminal and the two spark plug wire towers on the ignition coil. The coil terminals and plug wires towers are grouped as follows:
Except 2.3L, 2.5L and 5.0L engines

Terminal 3 (coil 1)-spark plugs 1 and 5 Terminal 2 (coil 3)-spark plugs 2 and 6 Terminal 1 (coil 2)-spark plugs 3 and 4

If the coils test good, move on the the crankshaft sensor.
Using a DVOM set to the DC scale to monitor less than 5 volts, measure the voltage between the sensor Cylinder Identification (CID) terminal and ground by backprobing the sensor connector. If the connector cannot be backprobed, fabricate or purchase a test harness. The sensor is okay if the voltage reading varies more than 0.1 volt with the engine running at varying RPM. (check both the blue and gray wires at the ignition module with the engine cranking.)



jturcotte_2442.gif

Fig. Fig. 3: CKP sensor wire harness connections for the 4.0L (VIN X and E) engines


If there is power and both the coils and sensor check good, replace the ignition control module.

Oct 27, 2011 | Cars & Trucks

2 Answers

I have a 1991 honda accord I started it like I always do to let it warm up. It started right up like it always does. I went inside to let it warm up. I came outside and it wasn't runnung. I tried to start...


Please see my tip at http://www.fixya.com/cars/r6223989-ignition_coil_doesn_t_spark . These are generic instructions--specific instructions are pasted below from Autozone.com. If you get stuck, please get back to me.

Use a test light to check for power to the coil on the black wire with a yellow stripe--see procedure below and other tests you can run. You will need a volt-ohm meter to run most of these tests.

The system used on 1990-95 Accords and 1989-95 fuel injected Preludes uses the distributor components to signal the engine computer. The ECU triggers the spark through the igniter unit and coil. This spark timing is controlled by the computer as an integrated function of the fuel management system. The distributor contains a crankshaft angle sensor and a No. 1 Cylinder Top Dead Center (TDC) sensor. Using these and other electrical inputs, the computer controls spark timing electrically.

1990-91 ACCORD
See Figure 6

  1. Remove the distributor cap, rotor and shield.
  2. Label and disconnect the 4 wires from the igniter unit.
  3. Switch the ignition ON . Use a voltmeter to check for voltage between the black/yellow wire and ground. Battery voltage should be present. If the voltage is not present, check the black/yellow wire between the igniter and the ignition switch.
  4. Check for voltage between the white/blue wire and ground. Battery voltage should be present with the ignition ON . If voltage is not present, check the white/blue wire from the igniter to the coil and test the ignition coil.
  5. Turn the ignition OFF . Check for continuity in the yellow/green wire between the igniter and the ECU.

jturcotte_639.gif


Fig. Fig. 6: Terminal identification on 1990-91 Accords

  1. Check the blue wire for continuity between the tachometer and the igniter.
  2. Check the resistance between the terminals which connect to the blue and white/yellow wires. It should be between 1,100-3,300 ohms. If not, the igniter must be replaced.
Coil test:
1990-91 ACCORD

See Figure 16
  1. The ignition coil is contained within the distributor. With the ignition OFF , remove the distributor cap.
  2. Remove the screws securing the black/yellow wire and white/blue wires from the terminals. The black/yellow wire is connected to the primary positive terminal and the white/blue wire is connected to the primary negative terminal.
  3. Measure resistance between the terminals. Resistance should be between 0.6-0.8 ohms.
  4. Measure the resistance between the primary positive terminal and the secondary terminal. Resistance should be 12,800-19,200 ohms.
jturcotte_640.gif

Fig. Fig. 16: Coil terminal designation on 1990-91 Accords

  1. All test conditions must be met. If any test condition is not satisfied, the coil must be replaced.

jturcotte_641.gif

Dec 27, 2010 | 1991 Honda Accord

1 Answer

Engine turns over, won't start, no fire at plugs. There's plenty of fuel, and no fire from any of the plugs. All fuses and fusible links are good. I pulled the plugs to check for a spark, and there's no...


What are you wondering is correct. Let check the coil first. if coil is good the there is a problem with the ignition module. If the ignition module is good then a problem with the crankshaft sensor. The coil can be checked by measure resistance of the terminals of the primary coil and secondary coil separately to see if it open. To check if it can generate a spark, once you identify the primary coil terminal, run 12 V wire to these terminal, connect a spark plug to the secondary coil, by just leaving a spark plug with connected with spark plug wire and let it touch the engine chassis. Now you have to make pulses at the 12 volts connection by making a break and connection several time to turn it on and off to generate the spark at spark plug. The ignition module is supposed to do what you are doing now to generate the spark. If it is bad, it can't do what you did then a spark is not generated. For the crankshaft sensor, only the shop can tell you it is bad or not. Good luck.

Nov 14, 2009 | 1995 Honda Civic

1 Answer

1992 Honda accord wont start and stay running.


MAKE YOU HEAR FUEL PUMP RUNNING WHEN TURN ON IGNITION KEY. IF NOT CHECK FUSE AND RELAY.IF YOU HEAR PUMP RUNNING. CHECK FUEL PRESSURE.IT SHOULD 36 TO 40 PSI.IF NOT REPLACE FUEL FILTER.IF FUEL PRESSURE IS STILL LOW FUEL PUMP IS BAD.

Aug 25, 2009 | 1992 Honda Accord

1 Answer

1991 Mercedes 300 e will not start fuel pump ok distributor ok coil and module are ok also but no sparks alarm was on and blinking but went away after charging the battery and locking and unlocking the car...


If there is no spark, either no electrical at the primary coil or the coil is not working.
if you already measure primary/ secondary resistance to confirm it is OK. Here is to test it - making electric pulsed signal at the primary terminals to see it spark at the secondary terminal.
You want to confirm everything works from the coil, so you can find out what causing the coil is not working. Here are what to check the coil before a replacement::
1- Disconnect the Positive cable on the battery.
2- Hook a spark plug directly to the coil wire ( the one coming to the center of distribution cap)
3- Find a long double wire so you can connect from the terminals of the primary coil to the battery.
4- Connect each wire end to the terminal of the primary coil. It doesn't matter which polarity.
5- Connect 1 wire to the chasis ground.
6- Hold the other wire and quickly swipe it over the positive terminal of the battery. Reapeat it until are sure that you get spark or not.
7- You should see or hear a spark. If this is the case your coil is good. If itis not, your coil is bad and it need a replacement. Problem is solved.
4- If the coil is good, the problem would be from the Primary of the coil back to the ignition key: No electrical signal to turn on the coil.

Jul 25, 2009 | Mercedes-Benz 300-Class Cars & Trucks

1 Answer

1993 Jeep Grand Cherokee no electricity to coil


It sounds like focusing on getting the spark then you can start the engine.You want to confirm everything works from the coil, so you can find out what causing the coil is not working. Here are what to check the coil before a replacement::
1- Disconnect the Positive cable on the battery.
2- Hook a spark plug directly to the coil wire ( the one to get to the distribution cap)
3- Find a long double wire so you can connect from the terminals of the primary coil to the battery.
4- Connect each wire end to the terminal of the primary coil. It doesn't matter which polarity.
5- Connect 1 wire to the frame ground.
6- Hold the other wire and quickly swipe it over the positive terminal of the battery. Reapeat it until are sure that you get spark or not.
7- You should see or hear a spark. If this is the case your coil is good. If itis not, your coil is bad and it need a replacement. Problem is solved.
4- If the coil is good, the problem would be from the Primary of the coil back to the ignition key: No electrical signal to turn on the coil.

Hope this can help.

Jul 19, 2009 | 1993 Jeep Grand Cherokee

3 Answers

Coil pack. what and where is it? what does it look like?



 
 
Ignition Coil
Removal & Installation
4.2L Engine
1997-2000
To Remove:

Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The radio ignition interference capacitor connector
The locking tabs
The six ignition wires, marking for reinstallation
The brackets
The spark plug wire set
CAUTION
Spark plug wires must be connected to the proper ignition coil terminal. Mark spark plug wire locations before removing them.
The accelerator cable bracket nut
The accelerator cable bracket bolt
The accelerator cable bracket and position it aside.
The two ignition coil nuts
The ignition coil stud bolt
The ignition coil
To Install:
Install or connect the following:
The ignition coil
The two ignition coil nuts
The ignition coil stud bolt
Torque to: 71-98 inch-lbs (8-11 Nm)
The accelerator cable bracket
The accelerator cable bracket nut
The accelerator cable bracket bolt
Torque to: 71-98 inch-lbs (8-11 Nm)
The ignition coil electrical connector
The radio capacitor connector


CAUTION
The Spark plug wires must be connected to the proper ignition coil terminal.
Squeeze the locking tabs and connect the six ignition cables.
2001-2003
To Remove:

Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The spark plug wires, marking for reinstallation
CAUTION
The sparkplug wires must be connected to their correct ignition coil terminal.
The ignition coil
The bolts
Inspect the ignition coil for carbon tracks or damage.
To Install:
Inspect the ignition coil for carbon tracks or damage.
Install or connect the following:
The ignition coil
The bolts
Torque to: 53 inch-lbs (6 Nm)
The ignition coil electrical connector
The spark plug wires, in their original positions
4.6L Engine
1997-1999
To Remove:

NOTE: This procedure is for either RH or LH ignition coil.
Before servicing the vehicle refer to the precautions at the beginning of this section.
Remove or disconnect the following:
The ignition coil electrical connector
The radio capacitor electrical connector
The spark plug wires by squeezing the locking tabs (four each side)
CAUTION
The spark plug wires must be connected to their proper ignition coil terminal. Mark spark plug wire locations.
The bolts
The ignition coil
To Install:
NOTE: The procedure is for either LH or RH ignition coil
Install or connect the following:
The ignition coil
The bolts
Torque to: 44-62 inch-lbs (5-7 Nm)
The ignition coil electrical connector
The radio capacitor electrical connector
The spark plug wires (four each side), into their original positions by squeezing the tabs


CAUTION
The spark plug wires must be connected to their proper ignition coil terminal.

 
Top of Form 1
Bottom of Form 1

Mar 28, 2009 | 1998 Ford F150 Regular Cab

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