Which coil lug takes which wire
The supply wire (usually two wires, or the thicker one) goes on the lug at the banded end of the diode. The single thinner wire is the return to the driver transistor and goes on the lug at the unbanded end.
Systems
Related tips
- Firing a coil by grounding its ground lug
- Voltage on only one lug of a coil
- No voltage at either lug of a coil
- Fit a coil diode with its band on the power lug
- Checking for voltage at a coil
- Testing a coil diode
- What the coil diode does and how a bad one shows up
- Multiplexed L/R (A/B) banks and wire colours
Source: Repairing DataEast 1987 (Laser War) to Sega 1995 (Batman Forever), Part One, Clay Harrell (pinrepair.com)