^ Just for clarification, in this picture it is wired wrong. The picture is taken from the engine bay, above the starter.

The alternator and other positive lead go on (in above picture) the right of the larger lugs. The exposed copper is on lug that remains on the left of the larger terminals.

The larger black wire from the harness that lacks a color stripe goes on (again in this picture) the bottom small lug. There is another small lug at the 12 o clock position where the black/with a stripe lead connects, not shown in the picture.

You can get at this all much easier by taking the air filter box and hoses off up to the throttlebody, unbolting the harness from the intake and pulling the adjuster unit from it's two torx screws and finally the throttle body itself. The starter wiring is then quite accessible.

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2001 E53 3.0 5pd