Mercury Outboard Tachometer Wiring. Web i truly havenaclue if this makes a difference,but i have a genuine '78 mercury tachometer,which i hooked up to the beautiful merc800, no matter what i do,it will not. Fuel sender to gauge :
Fuel sender to gauge : Red / purple stripe :. Do not connect wiring as instructed in power trim indicator.
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Web wiring diagrams for outboard motors. Web keep your 2 stroke mercury outboard running smoothly with a quality tachometer wiring. Web parts & accessories gauges & controls gauges & displays clear, accurate, reliable.
First, Connect The Red Wire In The Engine Tachometer Of A Mercury Outboard Engine To The Back Of The Power Fuse.
Red / purple stripe :. A quick video on how to install a 12 pole phase tach on a mercury outboard. Disconnect battery cables to help prevent arcing or damage to equipment.
Have The Right Tools Handy Just Like Any Other Do It Yourself Job, You Want To Be Sure You Have The Right Tools To Do The Job.
However, that old tach likely requires 3 wires (+12vdc, gnd, signal), because it has (or had) the light feature. Web 22 rows tachometer signal : So, if your connection points are clean, you need to look.
Black / Yellow Stripe :
Do not connect wiring as instructed in power trim indicator. Shorting or stop circuit : Web 59 share 15k views 2 years ago mercury 135 hp blackmax repairs how to install a tachometer and tachometer harness on a mercury 135hp blackmax motor.
Select A Tachometer Mounting Location That Is In Full View Of The Operator.
Web with that said, inspecting the wiring cluster for bent or kinked wires can also help you isolate the problem. Not my best work, but hopefully it will help. Fuel sender to gauge :