FIRING ORDERS
Fig. 2.5L Engine Firing Order: 1-3-4-2 Distrineed wire diagram for 99 - 0900c152800c0638.jpgkwise Fig. 5.2L and 5.9L Engines Firing Order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise Fig. 4.7L Engine Firing Order: 1-8-4-3-6-5-7-2 Distributorless Ignition Fig. 8.0L Engine Firing Order: 1-10-9-4-3-6-5-8-7-2- Distributorless Ignition 
Before carrying out extensive tests to isolate poor running problems, check connections of spark plug wires. This is especially important if plugs, wires, distributor, etc., have been disturbed recently for service. Obviously, this is not applicable to the wireless 4.7L engine.
NOTE
To avoid problems, remove and tag the spark plug wires one at a time to ease reinstallation.
For vehicles with an extensive service history, keep in mind that the distributor could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason, it is very important that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes in your book to reflect how your engine is wired.
Fig. 3.9L Engine Firing Order: 1-6-5-4-3-2 Distributor Rotation: Clockwise
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SOURCE: firing order for spark plug wires for a1999 dodge
1999 Dodge Truck Durango 4WD 5.2L SFI 8cyl
5.2L and 5.9L Engines Firing Order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise
I hope help you with this. Good luck (remember rated this help).
SOURCE: Need a diagram for the
Firing Orders
NOTE: To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.
If a distributor is not keyed for installation with only one orientation, it could have been removed and installed improperly and then rewired. The new wiring arrangement would maintain the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes of the current plug wire locations and orientation of the distributor cap.
3.9L Engine
1-6-5-4-3-2
5.2L Engine
1-8-4-3-6-5-7-2
5.9L Engine
Firing order: 1-8-4-3-6-5-7-2
4.7L Engine
Firing order: 1-8-4-3-6-5-7-2
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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 1-4-2-5-3-6 563 views
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Is your vehicle equipped with the 3.9J V-6, 5.2L V-8, or 5.9L V-8?
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