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Hello, I have a 1994 Range Rover SWB, USA spec. I am doing some troubleshooting, and would like to verify the ground for the ECU. Unfortunately, I can't find the grounding location in my Shop Manual. Can anyone point me in the correct direction?

Thanks!
 

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For clarification, which ECU are you referring to? i.e.; engine, seat, etc... ALso, which shop manual are you using? RAVE has pretty detailed electrical diagrams with pin out and locations for each component.
 

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Sorry for not being more clear. I am referring to the engine ECU. I am using the Official Range Rover Workshop Manual, the LR Genuine. I do not have the Electrical Troubleshooting Manual.

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Not quite sure if yours is a softdash, if it is, the earth point is E100, which is under the radiator header tank. I'm not quite sure on the hard dash ones, it could be E100, or there's quite a conveniant earthing point rover used on the trans tunnel under the seat.
 

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main earths for the ecu are on the back of the head under the drivers seat and battery to starter motor earth and earth from engine to chassis pas side
 
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