Welcome to the board. Have a long and healthy stay.

Do you have a 2.6 or a 3.0? It might be a good idea to edit your profile to reflect the specifics of your truck. Much easier to help you then...

I'm not really sure why you're choosing to put an electric fan in. As long as the clutch and shroud on the stock fan setup are in good shape, there's plenty of cooling capacity there without having to reinvent the wheel.

87 Montero, bought new, by me -
88/89 intercooled Starion Turbo engine-
with awesome audio.