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Wiring Diagram for Firestone Air Command 9961 ECU Replacement Kit  

Updated 12/22/2025 | Published 10/25/2024

Question:

Do you have a instruction manual for this part? Something I can take with the part to show the service desk or mechanic? Or is it that simple for him to figure out?

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Expert Reply:

Hey Gerry, thanks for reaching out!

The Replacement Dual-Path ECU Service Pack # F58VV will install in the same manner as the pieces that it is replacing so it should be fairly easy for someone who has don this kind of work before.

I'm attaching a clip from the instructions for the Firestone Air Command Extreme Duty Air Compressor with Tank Kit # F46VV which uses the same ECU and wiring for your reference. I'm also linking the full instructions you can check out.

expert reply by:
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Jon G
Layout of Firestone Air Command Air Compressor System
Layout of Firestone Air Command Air Compressor System
(click to enlarge)
Jerred H. profile picture

Jerred H.

12/22/2025

Hey Gerry, how did things go with the Replacement Dual-Path ECU Service Pack and the instructions from the Firestone Air Command kit? Your update could make it easier for others replacing the same part.

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