johnson tilt/trim?

[50 horse]

rewiring the trim unit,three wires out of the trim motor i got,but theres a black wire that go to one of the hyd cly,what is this wire for?and wheres it hook to the ground or hot wire?

[Archerguy1]

That's a sender wire for a gauge if it goes into the cylinder about half way up one cylinder.

[50 horse]

That's a sender wire for a gauge if it goes into the cylinder about half way up one cylinder.

it is in the middle of the cylinder,thanks for the help