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gene
gene, RV Mechanic
Category: RV
Satisfied Customers: 1100
Experience:  28 yrs exp in the industry
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Im in need of a wiring diagram coils on my 1999 7.4 vortec

Customer Question

im in need of a wiring diagram for the coils on my 1999 7.4 vortec motorhome. it has 8 coil packs
Submitted: 1 year ago via Mitchell1DIY.
Category: RV
Expert:  Wayne replied 1 year ago.

Hi I'm Wayne

I will help you with this

are you looking for what wire from coil pack goes to what cylinder

Let me know Please

Customer: replied 1 year ago.
All of the Left bank as viewed from flywheel.
Expert:  Wayne replied 1 year ago.

Hi

Left bank viewed from fly wheel

2-4-6-8-

is this what you need to know

Customer: replied 1 year ago.
No the engine is a L21 454 with 8 coil packs. I need the harness schematic for the eng or at least the left bank 1,3,5,7
Expert:  Wayne replied 1 year ago.

OK,

Now I under stand,

Sorry I do not have that

I will post back to open board for another expert