SOURCE: firing order of plugs for jeep
What engine? 4.0 is 153624. Can't remember distibutor rotation though.
SOURCE: firing order 1988 Jeep Cherokee Pioneer
assuming you have a 4.0 l6, order is 153624. #1 on cap is at about 4 o'clock when viewed from r/s fender straight on. next time, take wires off one at a time!!!
SOURCE: firing order for 1997 jeep cherokee straight 6 cyl.
153624 On cap #1 is two towers clockwise from right side hold-down screw, #1 is front cyl on engine. Firing order is clockwise.
SOURCE: firing order diagram for 1998 Jeep
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.
Fig. 1: The firing order can usually be found cast onto the intake manifold
Fig.: 1989-98 2.5L engine Engine firing order: 1-3-4-2 Distributor rotation: Clockwise
Fig.: 2.8L engine Engine firing order: 1-2-3-4-5-6 Distributor rotation: Clockwise
Fig.: 4.0L engine Engine firing order: 1-5-3-6-2-4 Distributor rotation: Clockwise
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).
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