1984 Mercury 75 HP with tilt/trim. Tach Harness Question

Piedog

Cadet
Joined
Jan 20, 2010
Messages
29
I have a 1984 Mercury 75 Hp with tilt/trim

My tach harness has 5 wires coming out of it , can someone please tell me which on goes where???

Purple.......
Grey with blue stripe.......
Brown with white stripe......
Blue..........
White........


Does anyone know or have a wiring diragram on the net.
Thanks for the help!
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Re: 1984 Mercury 75 HP with tilt/trim. Tach Harness Question

I have a 1984 Mercury 75 Hp with tilt/trim

My tach harness has 5 wires coming out of it , can someone please tell me which on goes where???

Purple.......
Grey with blue stripe.......
Brown with white stripe......
Blue..........
White........


Does anyone know or have a wiring diragram on the net.
Thanks for the help!

These colours don't seem right....

If you have a 5 wire harness the colours should be:
Purple.... Power, with the key ON
Black.... Ground
Gray.... Tacho signal
Brown/Wht... Trim gauge (if fitted)
Tan.... External alarm (but can be used for temp gauge)

Chris..........
 

Piedog

Cadet
Joined
Jan 20, 2010
Messages
29
Re: 1984 Mercury 75 HP with tilt/trim. Tach Harness Question

Thanks for the help, but those are the colors of the wires.
 
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