Pro Tachometer Wiring Diagram. Refer to diagram d. Sierra ih15105 mercury outboard mariner engine tachometer wiring harness com.
One such source can always be found where the battery is attached to the metal frame of the vehicle. Wiring diagram arrives with several easy to follow wiring diagram guidelines. Not used on tachometers with pit road speed.
To install the light bulbs use needle nose pliers to insert the bulb in the bulb receptacle on back of gauge then twist clockwise ΒΌ turn to lock into place.
Free download pertaining to autometer tach wiring diagram by admin. Im guessing that the black is a ground red is a switched positive white is illumination and green goes to the coil. Free download pertaining to autometer tach wiring diagram by admin. Strip of the insulation from the black red and white covered wires.