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Posted on Sep 24, 2010
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Spark plug wiring firing order to distributor cap

2 Answers

Patrick Rayome

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  • GMC Master 1,757 Answers
  • Posted on Sep 24, 2010
Patrick Rayome
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Joined: Nov 10, 2009
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For the 1988 GMC K2500:
I do not know if you have the 4.3L V6 or the 5.0L, 5.7L or 7.4L V8's however I have included all below:


For the 4.6L V6:
Firing Order:
1-6-5-4-3-2
Cylinders:
......(back)........
'...6...........5...'
'...4...........3...'
'...2...........1...'
.......(front)
Distributor:
......(back)
(+) - screw
..........4
....................3
5
.....................2
....6
.............1
.....................(+) - screw


For ALL V*'s (5.0L, 5.7L and 7.4L)
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
.......(back)........
'..8..............7..'
'..6..............5..'
'..4..............3..'
'..2..............1..'
........(front)
Distributor Connections:
.....(back)
.....6.....5
3...............7
4...............2
.....8.....1
.....(front)
Rotation:
Clockwise

Anonymous

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  • Contributor 27 Answers
  • Posted on Sep 24, 2010
Anonymous
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Joined: Jan 13, 2010
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5 Related Answers

Tom Holmes

  • 9 Answers
  • Posted on Jan 09, 2009

SOURCE: plug wire firing order on distributor cap on 1979 dodge 318

V8s are 18436572 going clockwise number 1 should be marked on cap or closest tower facing you standing at the rad

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Anonymous

  • 834 Answers
  • Posted on Oct 21, 2010

SOURCE: distributor cap diagrahm for a 1992 dodge dakota

Here is a firing order diagram and note the distributor cap latch positions between terminals 1 and 2 and 5 and 4, and let me know if you need any help to understand this diagram or if you require any further assistance.


321004f.jpg

Anonymous

  • 1036 Answers
  • Posted on Jul 05, 2008

SOURCE: 1992 Isuzu Rodeo Distributor wires

Hi,

On the 3.2L distriburorless ignition, the firing order is a straight 1-2-3-4-5-6.

Cylinder numbering .

88c39f7.jpg-

Hope this works for you

Anonymous

  • 2049 Answers
  • Posted on Sep 19, 2009

SOURCE: Distibutor cap, spark plugs, and firing order

Here is the firing orders for the two possible engines you might have...
1995 Volkswagen Passat Sedan
2.0 liter SOHC L4 (ABA)


265d9ec.gif 1995 Volkswagen Passat Sedan
2.8 liter DOHC V-6 (AAA)

7dc2533.gif

Anonymous

  • 834 Answers
  • Posted on Oct 04, 2010

SOURCE: I need the firing sequence on the 1994 GMC Sonoma

Here is the firing order diagrams for the 4.3 liter V-6 engine and the 2.2 liter 4 cylinder engine, and let me know if you need any help to understand these diagrams, or if you require any further assistance.

4.3 Liter V-6 Engine.


6ad9cf8.jpg
2.2 Liter 4 cylinder engine.


3390e18.jpg

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These details will help.

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Spark plugs and wires

It sounds like the spark plug wires are not plugged into the correct place on the distrubutor. take the distributor cap off and crank the engine over. Make a note of which direction the rotor spins. (Clockwise, or Counterclockwise) then find the firing order for that engine. Sometimes the firing order is on the intake manifold. (if you tell me which engine it has, the 4 cylinder 2.0, or the 6 cylinder 2.5; I could post you the firing order). Now on the distributor cap there is one wire post that has the #1 on it, that would be where you put the spark plug wire from cylinder 1. Following the rotation of the distributor rotor, you would put the spark plug wire for the next cylinder in the firing order after the #1 wire, and so on.
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You may have got the spark plug wires out of sequence.
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To avoid confusion, ALWAYS replace spark plug wires one at a time.

The most important thing to remember about the removal and installation of a distributor, cap or spark plug cable is that all wires MUST be labelled before they are disconnected. Keep in mind that these figures depict a firing order where the distributor cap terminals are relative to EACH OTHER only and they do not necessarily depict the tower positions in relation to the rest of the engine. This is true because any distributor which has been removed and reinstalled may have been installed with the No. 1 spark plug tower at any position (360 degrees) in relation to the rest of the motor, as long as the rotor aligned to the No. 1 tower when the No. 1 cylinder was at TDC of the compression stroke (valves closed, ready for the plug to fire). As long as the remaining wires were connected in the correct firing order sequence (depending on direction of distributor rotation) the engine will run. DO NOT EVER remove more than one wire from the distributor cap at a time unless you tag ALL wires and towers to assure proper installation.

db45c9c.jpg

Fig. 1: 1.9L engine . Firing order: 1-3-4-2 . Distributor rotation: counterclockwise

cf6af5d.jpg

Fig. 2: 2.0L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

5c33822.jpg

Fig. 3: 2.5L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

cae855e.jpg

Fig. 4: 2.8L engine . Firing order: 1-2-3-4-5-6 . Distributor rotation: clockwise

9674e44.jpg

Fig. 5: 4.3L engine. Firing order: 1-6-5-4-3-2 . Distributor rotation: clockwise

I hope help you with this (remember rated this help) Good luck.
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1984 pontiac bonnerville plug firing order photo

Hi,
I don't know your engine size, but the link below is a picture of the GM small block firing order with distributor.
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http://www.classiccarauto.com/impala/how_to/images/distributor.png

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