Question about 1999 Jeep Wrangler

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Spark plug order

I need a diagram of the correct order in which the spark plugs run from the distributor cap to the engine in a 1999 jeep wrangler 4.0 litre

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  • drenzie11 Feb 26, 2009

    i removed the distributer because the screw broke off while replaceing the cap, i then taped it out and reinstalled it , it seems its out of time, it runs but it taps bad. i picked up a haynes book to reset timing but i guess i still need help. can you tell me step by step what i need to do ?

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  • Jeep Master
  • 6,982 Answers

Order is 153624 #1 plug is one closest to radiator. #1 tower on cap is one just past the cap hold-down screw (clockwise) furthest away from block. order runs clockwise around cap.(next time, remove them one at a time!!)

Posted on Jan 26, 2009

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Need a wiring diagram for spark plugs for a 1995 jeep Cherokee sport


V6 engine: firing order: 1 2 3 4 5 6, distributor rotates clockwise. Left bank of engine (driver's side), cylinders 2, 4, 6 (#2 at front of engine). Right bank: 1, 3, 5 (#1 at front of engine).
Inline 6 engine: firing order is 1-5-3-6-2-4. Distributor rotates clockwise.
The number one tower on the dist. cap should have a mark or numeral 1 on it. If not, turn crankshaft to top dead center of compression stroke on number one cylinder, the 0 degrees or "T" mark on the crank pulley pointer. If you are on the compression stroke (not the exhaust stroke), the rotor under the dist. cap will be pointing to the number one cylinder spark plug wire tower.

Mar 30, 2012 | 1995 Jeep Cherokee

1 Answer

I have a jeep Wrangler 1989 2.5 (4C) and replaced the wires and plugs sue to the vehicle running rough at mid range.. this was to no avail I would like to check the firing order. Thank You


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: 1987-91 2.5L engine Engine Firing Order: 1-3-4-2 Distributor Rotation: Clockwise 85352009.gif
Fig. 2: 1992-95 2.5L engine Engine Firing Order: 1-3-4-2 Distributor Rotation: Clockwise 85352010.gif
Fig. 3: 4.0L and 4.2L engine Engine Firing Order: 1-5-3-6-2-4 Distributor Rotation: Clockwise 85352011.gif
prev.gif next.gif

Oct 23, 2010 | Jeep Wrangler Cars & Trucks

2 Answers

I need picture of the correct order in which the spark plug wires from the distributor runs to the engine of a 97 jeep wrangler 4.0


straight six engine ,153624 firing order i know no2 and no4 leads have a sort of loop on the jeep engine and i should imagine this is the same on this model ,if you dont know where no one is then remove the rocker cover and turn engine over till the valves on no1 are closed and remove the plug to make sure piston is at top ,then you have the position on the distributor cap where no1 is ,lift cap and see where the rotor arm points too ,then this is no1 .then clockwise rotation the next hole is no5 and so on

Dec 24, 2009 | 1997 Jeep Wrangler

3 Answers

Firing order diagram for 1998 Jeep Cherokee Sport


1998 Jeep Cherokee 4WD 4.0L MFI 6cyl

To avoid confusion, tag and remove 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 to reflect how your engine is wired.

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Fig. 1: The firing order can usually be found cast onto the intake manifold

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Fig.: 1989-98 2.5L engine Engine firing order: 1-3-4-2 Distributor rotation: Clockwise

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Fig.: 2.8L engine Engine firing order: 1-2-3-4-5-6 Distributor rotation: Clockwise

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Fig.: 4.0L engine Engine firing order: 1-5-3-6-2-4 Distributor rotation: Clockwise

226e0b9.jpg

Fig.: 5.2L and 5.9L engines Engine firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise

Also, here can review the Jeep XJ Service Manual.

I hope help you with this, Good luck (remember rated this help).

Oct 13, 2009 | Jeep Cherokee Cars & Trucks

1 Answer

Spark plug wire position on distributor cap


1-5-3-6-2-4
ALL Jeep 4.0 motors use this firing order. Any year, any model, high output or not.

Also, the spark plug wire placement on the cap, in a clockwise direction from the post nearest the engine block is: 6-2-4-1-5-3.(to the left side of the number 6 post, there should be a hold downscrew or strap for fastening the distributor cap to the distributor.
For a picture diagram, please go to this website:
- http://www.fixya.com/cars/t2859850-need_spark_plug_wiring_1993_jeep_4l
- http://www.jeepz.com/forum/engine/16923-six-cylinder-4-0-liter-jeep-engine-specs.html

Good luck (rated this help)

Sep 06, 2009 | 1997 Jeep Grand Cherokee

1 Answer

I replaced my spark plug wires on my 1996 chevy truck. may have crossed one,need a diagram from the spark plugs to the distributer cap.


Since you didn't state whether it is a V6 or V8, I'll give you both.

V6 -4.3Liter
Firing Order is 1-6-5-4-3-2
Distributor rotor turns Clockwise
Number 1 spark plug tower on distributor cap, faces the front of the engine.

->Drivers side, spark plug order in engine, starting from the Front going back:
1-3-5
->Passenger side, spark plug order in engine,
starting from the Front going back:
2-4-6

If it's Electronic, the distributor cap has a Left side, (Drivers side), and a Right side, (Passenger side)
Starting from the Front, going back on the Left side,
3-1-5
Starting from the Front going back on the Right side,
2-4-6

V8-5.0, 5.7, and 7.4Liter
Firing Order is 1-8-4-3-6-5-7-2
Distributor rotor turns Clockwise
Number 1 spark plug tower on distributor cap,
faces Front, towards the Drivers side.

Electronic distributor cap has two sides. Drivers, (Left), side and Passenger, (Right), side.
Starting from Front going back on Drivers side,
1-7-3-5
Starting from Front going back on Passenger side,
8-2-4-6

Spark plug order in engine, starting from Front going back, Drivers side:
1-3-5-7
Spark plug order in engine, starting from Front going back, Passenger side:
2-4-6-8

Aug 28, 2009 | 1996 Chevrolet K1500

1 Answer

1999 Jeep Wrangler Miss fire


I would do a complete tune up before I did anything else. Some times on chryslers just a bad spark plug can cause a lot of greef. I would start with replacing the plugs (using the bosch platinum plus 2) , wires, distributor cap and rotor. See if this works for you. If not write me back and I can tell you more info..

Also if this doesn't work for you I need to know what motor you have 4 or 6 cylinder engine.

Apr 24, 2009 | 1999 Jeep Wrangler

1 Answer

I need a diagram of the correct order in which the spark plug wires run from the distributor to the engine of a 99 wrangler 4.0 litre


Firing Order 153624 Clockwise rotation #1 Piston is First Front of engine #1 on Distrib Cap is at 9 Oclock #6 is at 3Oclock Notes Firing Order L6 42144651

Jan 26, 2009 | Jeep Wrangler Cars & Trucks

1 Answer

Need diagram for 1998 Jeep Cherokee sport spark plug wiring


hi, you didn't say what engine you have, I'll assume it's the 4.0 L in line 6 cylinder. Standing on the PASSENGER side of the jeep, the spark plug at the front of the engine is #1, the next is #2, and so on to #6 which is at the back (nearest the windshield).
The distributor is between you and the valve cover on the engine. Pretend the top of the distributor cap is the face of a clock.
The #1 spark plug wire goes in the cap at what would be the 6 o'clock position, (as viewed from your position standing on the passenger side, facing the side of the engine). The firing order direction is clockwise, so the 'hand' of the clock (actually the rotor in the cap) would continue to the next distributor cap plug in, which would be spark plug wire to #5 (8 o'clock position), then #3 (10 o'clock position), #6 (12 o'clock position), #2 (2 o'clock position), #4 (4 o'clock position). So all this means isi your firing order is, 1,5,3,6,2,4 If you have a different motor or any questions, let me know. Good Luck! countrycurt0

Aug 06, 2008 | 1996 Jeep Cherokee Country

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