Premium boost:
red wire: constant ground
White wire: 12v acc. power
black: ground
orange: headlights:~ a power source that gets 12v power when the headlights are turned on.
Perf. OP:
Red wire: 12v acc. power
white: 12v acc. power
black: ground
orange: headlights
Green: sender (G terminal on sender)
As you can see they wire up differently. You can wire all like wires to the same source (ex. all white wires together..)