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Re: 1998 Expedition missing the first half of the firing order
Posted to Technical Discussion Forum on 8/29/2025

[...trimmed text...]

Brent,

Looking at the wiring diagram, the COPs do not share drivers; each has its own driver.

Also looking at the wiring diagram:

Connector C120 (Female and Male) contains wiring/pins for COP 1... Login to read more.