1. Located position for ammeter shunt. 2. Drilled pilot mounting holes with #40 bit. 3. Opened holes with 9/32 bit for AN4 bolts. 4. Deburred holes.] 5. Mounted shunt with AN4-6 bolts, AN960-4 washers, and lock nuts. 6. Added low curent wires for ammeter, and passed through grommet.