http://www.trollingmotorparts.com/%28X%281%29S%283yxxk0e0cdy1o2azjwhrem55%29%29/Default.aspx?AspxAutoDetectCookieSupport=1
This may help maybe they can get a manual for you.
It has the wiring Diag for several motora as well.
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1991 Tracker TX17
40HP evinrude
Eagle 320 console
Eagle 320 bow
Garmin 72 GPS
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