Here are the kit instructions. As you can see, you will need to consult the workshop manual.
The original trim sender is no longer availabe and has been replaced. The new sender has a slightly different geometry at the top where the clamping bracket mounts, so a new bracket is required when using the new sender. The new sender and new bracket are included in the kit. Models All 290-style sterndrives that used trim sender 828726 or 873531. NOTICE! The original bracket will not work with the new sender. Make sure the new bracket is used when mounting the sender. Parts Included qty Description 1 Trim sender 1 Bracket 1 Instructions Installation This kit covers several sterndrive models. For specific installation instructions refer to the Workshop Manual for the sterndrive and transom shield being serviced.