Mercury Tachometer Wiring Harness Diagram

The linked images are printable but may print across more than 1 page in order to be legible. Have all the factory cables and tach but don t know which wires goes on the tach. Connect the black wire from the harness to the g ground terminal of the tachometer see figure 1.

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These codes apply to later model motors approximately early 80 s to present.

Mercury tachometer wiring harness diagram. A wiring diagram is a streamlined traditional photographic depiction of an electric circuit. Connect the purple wire from the harness to the i ignition terminal of the tachometer. Need a wiring schematic for wiring a tachometer on a 1999 2 cycle 100hp mercury outboard motor. Thanks for any help.

Connect the gray wire from the harness to the s. Collection of mercury outboard wiring diagram. It reveals the parts of the circuit as simplified shapes as well as the power and also signal connections between the devices. Mercury outboard wiring harness diagram fresh wiring diagram for 1979 70 hp mercury outboard tach wiring diagram circuit diagram building circuitry representations show the approximate locations and interconnections of receptacles lighting as well as long term electric services in a structure.

Connect wiring to the tachometer terminals using washers and nuts supplied with the tachometer kit. Most models also have black white only. Wiring color codes here is a listing of common color codes for mercury and mariner us made outboard motors. Wiring for smartcraft gauges page 2 34 90 879939001 august 2007 anchor requirement minimum placement 14 pin harness 46 cm 18 in 14 pin harness connections 25 4 cm 10 in.