Flying lead bundle Wires are ink stamped with descriptions as follows:
BATT GND Connect directly to battery negative
BATT PWR Connect directly to battery positive
Sensor GND Connect to low reference (GND) of 5V analog sensors
SWT PWR Ignition switch input.
5V REF Connect to high reference (5V PWR) of 5V analog sensors
ACC PWR Option for powering accessory relays
INJ PWR Fused 12V power for injectors
IGN PWR Fused 12V power for coils