1997 7.5L plug wire routing
The truck: 1997 F250HD 4X4 7.5L E4OD, 149k miles.
So, I've been reading about spark plug wire routing as a check for intermittent missing. I have searched high and low and am unable to find the wire routing diagram for the '97 460. Hopefully someone here has one as I am having some symptoms. I don't know if they are related to the wiring but here are some symptoms I have been having: 1. Not all the time but occasionally it will crank for 4-5 seconds before starting, other times it starts immediately. And it does it when it is cold or at temp. Also, and only occasionally, when it starts it sputters for a few seconds and then idles at normal RPM smoothly. 2. Occasionally when stopped at a light or waiting in gear it will sputter like it wants to die but comes back to normal RPM. Thanks in advance, J |
This 7.5L plug wiring illustration may help you out:
http://www.fixya.com/uploads/Images/0D6E880.jpg The Idle Air Control is known to clog up with deposits on this vintage truck. Cleaning it may also help your issues as well. |
Thanks, but, I'm looking for one like this:
https://www.ford-trucks.com/user_gal...d=238366&.jpg= I want to know if there are any wires in particular that need to be kept separated. J |
My manual shows the firing order for a 7.5L engine is 1-5-4-2-6-3-7-8. I suggest you keep the wires for 4&2 as well as 7&8 as far apart as possible. This will help prevent cross-fire like the routing illustrated in the photo you posted for the 5.0L engine,
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