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    Jeep Wagoneer/Commando/Cherokee 1984-1998

    FIRING ORDERS

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    See Figures 1, 2, 3, 4, 5 and 6

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



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    Fig. Fig. 2: 1984-88 2.5L engine Engine firing order: 1-3-4-2 Distributor rotation: Clockwise



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



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



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



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

     
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