- 1). Connect the adapter's yellow wire to the front coil's negative wire. Negative coil wires are black and yellow.
- 2). Enclose the connection with a spade connector.
- 3). Connect the adapter's blue wire to the rear coil's negative wire. Negative wires are black and yellow.
- 4). Enclose the connection with a spade connector.
- 5). Connect the adapter's green wire to the tachometer's green wire using a butt connector.
- 6). Connect the tachometer's red and blue or yellow wires to the motorcycle's positive wire coils. The positive wire coils are orange and white.
- 7). Connect the tachometer's black wire to the motorcycle's chassis with a screw and screwdriver.
- 8). Mount the adapter and tachometer to the motorcycle's handlebar by placing the U-brackets of each around the handlebar and screwing the underside of the U-bracket to itself with a screwdriver.