Question about 1991 Cadillac Seville

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Wiring diagram for a 1991 Cadilliac 4.9 V-8

Distributor to spark plugs Firing order

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

c17hydro
  • 2984 Answers

SOURCE: replacing spark plug wires on a 1981 cadilac

Not sure what you mean by 8-6-4 but this will help you. Pick the correct one for your application:


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GM (Cadillac) 250 (4.1L) V8 .GM (Cadillac) 273 (4.5L) V8 .GM (Oldsmobile) 307 (5.0L) V8 .GM (Oldsmobile) 350 (5.7L) V8 w/EFI.Engine firing order: 1-8-4-3-6-5-7-2 .Distributor rotation: counterclockwise


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GM (Cadillac) 368, 425, 472, 500 V8.Engine firing order: 1-5-6-3-4-2-7-8.Distributor rotation: clockwise



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GM (Cadillac) 429 V8.Engine firing order: 1-8-7-2-6-5-4-3.Distributor rotation: clockwise

Posted on Oct 17, 2009

  • 1608 Answers

SOURCE: engine miss,replaced fuel

Do a compression test and make sure it is not a mechanical problem.Could be burnt valve,bad cam,or broken valve spring.If you know which cylinder is missing pull the valve cover and check the valves and see if they are all moving up and down evenly when you turn the motor over.Just disable the vehicle from starting or you can do it with it running.Hope this helps.Good luck.

Posted on Feb 18, 2010

  • 2002 Answers

SOURCE: i need the wiring oder for spark plugs for a 1970

According to my Chilton book this is same for either engine. The firing order is 1-5-6-3-4-2-7-8. Standing at the front of the car looking at the engine #1 piston is at 9 o'clock on the distributor and it turns clockwise. The hold down screws for the cap should be at 12 and 6 o'clock nd the window to set dwell should be at 9. The odd number pistons are on the passenger side starting from the rad and the even numbers on the driver's side from the rad. Hope this helps.

Posted on May 09, 2010

roniecon
  • 6826 Answers

SOURCE: 1971 cadilac distributor cap wiring diagram

You will have to get number one up,the piston on number one cylinder,then remove the cap to see where the rotor is pointing,then start your number one plug wire there,make sure you go around the distributor the same way the rotor button turns,and the firing oder is 1563427,if it back fires,then you are 180 degrees out,remove the wires,and start them directly across from where you had number one,then it will start.

Posted on Jun 13, 2010

  • 134 Answers

SOURCE: i change spark plugs n wires still runs rough 96

Probably in the distributor then.

Posted on Nov 11, 2010

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Spark plug wiring diagram for 05 tahoe


Greg Bernett 2821 Solutions February 14, 2010
You didn't post your engine size so please pick the applicable diagram:


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1996-98 4.3L Engines Firing Order: 1-6-5-4-3-2Distributor Rotation: Clockwise


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1996-98 5.0L, 5.7L and 7.4L Engines Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Clockwise



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4.3L Engines Firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise


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4.8L, 5.3L and 6.0L Engines Firing order: 1-8-7-2-6-5-4-3 Distributorless ignition system (one coil on each cylinder)


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5.0L, 5.7L and 7.4L Engines Firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise

Source: spark plug wiring diagram for 98 tahoe

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    ledsled378 2926 Solutions July 24, 2010

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Source: Need diagram for spark plug wiring for 1997 Chevy

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    Dennis Weid. 44272 Solutions September 16, 2008

This was all I could come with, hope it helps.



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Feb 27, 2013 | 1998 Chevrolet Tahoe

2 Answers

No spark to engine 1991 ford pickup


It can be faulty or dirty spark plug itselfd.Also for reference get the fuel level checked.Is the fuel tank is empty or near to empty.
Try cleaning the spark plugs and then see if that is helpin.On some cases the black carbon layer gets collected on the spark plugs and that causes the problem,so cleaning the plugs help.But if its not helping,then spark plug has to be replaced.Spark plugs get power from ignition coil to ignite sparks.If ignitioncoils are faulty then also there will no spark.--------------

To troubleshot and confirm the issue,i suggest you to go through the help links provided below,check the procedure and it will help you to confirm the issue in your case.
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Click the link below:------

Car cranks, has spark but will not ?

http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html


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The spark plug firing order for car?

http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html

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How to Replace Spark Plugs?

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html


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How to Perform a Basic Engine Tune Up-Spark Plug and Wire Change

http://schematicsdiagram.blogspot.com/2011/08/how-to-perform-basic-engine-tune-up_01.html


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Car has no spark?

http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html

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How does the spark plug wire go on the distributor cap in 1991 Mitsubishi Mighty?

http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html

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No spark on 2008 Chevy Avalanche?

http://schematicsdiagram.blogspot.in/2012/04/no-spark-on-2008-chevy-avalanche.html

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How does the spark plug wire go on the distributor cap in 1985 Pontiac sunbird?

http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wire-go-on.html

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Ford Plug Wires Not Coming out?

http://whoisbyme.blogspot.in/2012/06/ford-plug-wires-not-coming-out.html

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Ford explorer has no spark?

http://schematicsdiagram.blogspot.com/2011/12/ford-explorer-has-no-spark.html

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Chevy impala spark plug firing order diagrams?

http://technoanswers.blogspot.in/2012/02/chevy-impala-spark-plug-firing-order.html

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How to gap spark plug on Chevy Impala?

http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html

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Spark plug Replacing for chevy impala?

http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html

Chevy s-10 blazer 4.3l Spark Plug Firing Order?

http://howtobyme.blogspot.com/2011/12/chevy-s-10-blazer-43l-spark-plug-firing.html

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1982 dodge rampage Spark plugs Firing Order Diagram?

http://schematicsdiagram.blogspot.com/2011/12/1982-dodge-rampage-spark-plug-firing.html

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2006 Suzuki Forenza Spark plug Firing Order Diagram?

http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html


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1983 Ford Ranger Spark plug firing order?

http://schematicsdiagram.blogspot.com/2011/12/1983-ford-ranger-spark-plug-firing.html

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Firing Order for 1991 Lexus ES 250?

http://schematicsdiagram.blogspot.com/2011/12/firing-order-for-1991-lexus-es-250.html

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Firing order for 1992 Chevrolet 5.0 engine?

http://schematicsdiagram.blogspot.com/2011/12/firing-order-for-1992-chevrolet-50.html

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How to identify number one spark plug on the distributor cap?

http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html

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How to remove rear spark plugs on 1991 Buick Regal?

http://howtobyme.blogspot.in/2012/02/how-to-remove-rear-spark-plugs-on-1991.html


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These details will help.

Thanks.

Nov 26, 2012 | Cars & Trucks

1 Answer

1991 v6 3.0L ford Ranger need diagram for distributor to spark plugs wires


Below is the best diagram i could find, just match the color up for correct plug wire routing. Firing order is 1-4-2-5-3-6


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Mar 12, 2011 | 1991 Ford Ranger Supercab

1 Answer

Changed plugs and wires on a 94 ford explorer and now it 's not tunning right. need a diagram. please.


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 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 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 in your book to reflect how your engine is wired. Fig. 1: 1991-94 2.9L and 3.0L Engines Firing order: 1-4-2-5-3-6 Distributor rotation: Clockwise 85552008.gif
Fig. 2: 2.3L, 2.5L Engines Firing order: 1-3-4-2 Distributorless ignition 85552010.gif
Fig. 3: 1995-99 3.0L Engines Firing order: 1-4-2-5-3-6 Distributorless ignition 89682g23.gif
Fig. 4: 4.0L Engines Firing order: 1-4-2-5-3-6 Distributorless ignition 85552009.gif
Fig. 5: 1996-99 5.0L Engines Firing order: 1-3-7-2-6-5-4-8 Distributorless ignition 89682g24.gif
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Dec 09, 2010 | Ford Explorer Cars & Trucks

1 Answer

I have a 91 honda civic and need spark plug wire diagram


Fire order
1-3-4-2

Cylinder #1 will be the one closes to the fan belts and so on 1-2-3-4, on the distributor cap there should be a # 1 stamped on it, put cylinder # 1 spark plug wire on that one, install spark plug wire in firing order clockwise on the cap, the cap some time's might even have the firing order on it.

Jun 04, 2010 | 1991 Honda Civic

2 Answers

Firing order for Spark Plug wires


Here is the diagram you ask for. While it says it is for the 3.0L V6, it is the same for the 4.0L V6 if that's what you have...


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Feb 15, 2010 | 2004 Ford Ranger

1 Answer

Spark plug wiring diagram


3.9L V6 Engine. Engine Firing Order: 1-6-5-4-3-2. Distributor Rotation: Clockwise.............did i guess the right motor? let me know/rate me

Jan 14, 2009 | 1991 Dodge Dakota

2 Answers

Firing Order Diagram


the firing order is
1-6-5-4-3-2

Jul 23, 2008 | 1991 GMC C1500

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