TeinECS Installation Guide
The ECS board is in the trunk, on the right. There is a small removable panel. You can pull out the old one there.
Directly replace the old board with the new one. The lack of connector latch may make it desirable to use a small piece of lockwire to securely fasten the connector to the outside of the board housing, but the connector contacts are pretty snug, so this is likely unneccessary.
Wire the Tein motors according to the pictures. A cleaner job would require crimping your own connector ends. Your choice
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