ECU and connector locations

If you're having trouble finding an ECU location chances are you'll find it here.

Deutz EDC17C53 adblue controller location
Located under the steps on the right side of the tractor. 
Thu, 5 Feb, 2026 at 11:08 AM
New Holland Workmaster ECU Location
The ECU on the New Holland Workmaster Tractors with 2.9L Engine is right on top of the engine:
Thu, 11 Feb, 2021 at 4:06 PM
Fendt 9-series Gen6 EDC17CV42 DEF pump location
Thu, 10 Nov, 2022 at 12:01 PM
New Holland T7.210 DEF pump plug location
Here is where you can find the DEF pump plug on a New Holland T7.210
Wed, 9 Aug, 2023 at 10:27 AM
Caterpillar C4.4 DEF delete | ACM location
When doing DEF delete on a CAT C4.4 engine with A5E2 ECU, you need to disconnect the DEF control module. You can either disconnect the plug on the module it...
Fri, 26 Jul, 2024 at 1:40 PM
Caterpillar C7.1 DEF delete | ACM location
When doing DEF delete on a CAT C7.1 engine with A5E2 ECU, you need to disconnect the DEF control module.
Thu, 5 Feb, 2026 at 12:04 PM
Case AF 4088 DEF Urea AdBlue pump plug location
Mon, 16 Sep, 2024 at 11:47 AM
JCB DCM3.3 DEF Urea AdBlue delete DEF pump disconnection
Fri, 19 Sep, 2025 at 4:39 PM
John Deere 6155R | L33 ECU | EGR Valve Connector position
Fri, 31 Aug, 2018 at 9:09 AM