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Sallyann Burke Posted on Jun 09, 2019
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Spark plug diagram for 1999 ford ranger 4.0 running rough need to make sure I place plugs and wirings in correct location

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Robert Stewart

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  • Posted on Jun 09, 2019
Robert Stewart
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1-4-3-5-2-6 is the correct firing order.

Jeff Harms

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  • Expert 264 Answers
  • Posted on Jun 09, 2019
Jeff Harms
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Check autozone.com and create an account for net use. Then you can check most simple things. Or visit an auto parts store , most have the wiring diagrams for ignition wires readily available in order to sell them.

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5 Related Answers

Anonymous

  • 4 Answers
  • Posted on Nov 23, 2008

SOURCE: ignition wiring

firingorder6a.gif firingorder6.gif 1991-1994 2.9L and 3.0L Engines Firing Order 1-4-2-5-3-6 1995 And Later 3.0L V-6 With DIS Ignition System Firing Order 1-4-2-5-3-6
4.0L Engines Firing Order: 1-4-2-5-3-6 DIS Ignition System

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Anonymous

  • 6784 Answers
  • Posted on Jul 26, 2009

SOURCE: 2004 ford ranger edge 3.0L spark plug wire diagram

The diagram you seek is below.


374d96b.jpg

Patrick Rayome

  • 1757 Answers
  • Posted on Mar 11, 2010

SOURCE: diagram for spark plug wiring for ford ranger 2000

My sincere apologies for the delayed response.
I am personally going back to answer your unanswered questions.
I have only been a free contributor to this site for the past 4-months.

I do not know if you still need this information, but I am going ahead and answering it anyway.


For the 4.0L:
Firing Order:
1-4-2-5-3-6
Cylinders:
(back of engine)
3----------6
2----------5
1----------4
(front of engine)
Ignition Connections:
(back)
3...4
2...6
1...5
(front)

Again my apologies...
Let me know if this helped, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!

Patrick Rayome

  • 1757 Answers
  • Posted on Mar 16, 2010

SOURCE: need wiring diagram for spark plugs for 2005 ford

I do not know if you have the 3.0L or 4.0L Engine, regardless they have the same diagrams.

For the 3.0L AND 4.0L:
Firing Order:
1-4-2-5-3-6
Cylinders:
(back of engine)
3-------------6
2-------------5
1-------------4
(back of engine)
Ignition Coil:
(back)
3...4
2...6
1...5
(front)

Let me know if this helped...

Patrick Rayome

  • 1757 Answers
  • Posted on Apr 21, 2010

SOURCE: spark plug wiring diagram

For the 1999 Chevrolet (Express and C2500 and K2500) WITH 5.7L V8:

Firing Order:
1-8-4-3-6-5-7-2

Cylinders:
.........(back).........
|...8...|........|...7...|
|...6...|........|...5...|
|...4...|........|...3...|
|...2...|........|...1...|
.........(front)

Distributor Connections:
............(back)
Coil--->o
6------->o........o<-------5
4------->o........o<-------3
2------->o........o<-------7
8------->o........o<-------1
.............(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

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1999 ford ranger 3.0 spark plug wiring diagram

More important than the length is the routing of the wires to reduce chances of cross-feeding of the ignition pulse into another wire.
Don't know if any place shows the routing of the plug wires.. You may need to look at another engine like yours to see how the wires are routed and which length wire goes where. Good luck.
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Ignition wiring

firingorder6a.gif firingorder6.gif 1991-1994 2.9L and 3.0L Engines Firing Order 1-4-2-5-3-6 1995 And Later 3.0L V-6 With DIS Ignition System Firing Order 1-4-2-5-3-6
4.0L Engines Firing Order: 1-4-2-5-3-6 DIS Ignition System
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