Year of Manufacture *: 1990/91
Engine Code or Type *: E34
( Optional ) ECU Type: Motronic 1.3
I've already traced the fault on this one. It's the fuel pump relay losing its earth trigger signal.
My question is, does this earth come from the ecu, and if so, which one? Or does it get this from one of the larger relay modules in the fuse box?
Any help on this would be much appreciated!
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