trim gauge/ trim senders wiring diagram

[deluxe]

i am new to boating just bought my first boat need help with it's wiring on the trim gauge and trim senders.i have a 1980 fiber form with a mercruiser motor 5520684 in it and the mercruiser 470 inboard
the gauge has 3 wires coming from it 1 to the key switch 1 to ground and the other wire is coming from the s post on the back of the gauge where does this wire go i think it hook up to the trim soleniod but not sure. that is where the wire is going but is not hooked up to any thing i have the old trim pump with the metal reservoir and it has only 1 soleniod on the pump also the wires on the trim senders is not hooked up. it has 2 sending unit on it with 2 wires each blue and purple. i found where the wires go that plug into the butt connetors but where does the other 2 wires go? please help with old wiring diagram

[dubs283]

the wires that connect to the trim pump are for the trim limit switch

the sender wire for the guage connects to the sender on the gimbal ring STBD side, PORT side is the trim limit switch

you can read all about it after downlaoding a manual here:

http://www.4shared.com/document/zz_5...Manual_06.html

[Prophammer]

awesome link dubs!