Where can you find a Wiring diagram for a 1987 mercruiser?

You can find a wiring diagram for a 1987 MerCruiser by checking the owner's manual for the specific model, as it often includes wiring schematics. Additionally, online resources such as boat forums, the MerCruiser website, or dedicated marine repair sites may have downloadable diagrams. Marine repair shops and publications that focus on older boat engines may also provide useful information. Lastly, contacting a MerCruiser dealer can yield specific wiring diagrams for your model.