What is the purple wire on a boat ignition switch?
PURPLE: It is used for two purposes i.e. 1) wire an ignition switch to the coil and electrical instruments, 2) wire the distribution panel to electrical instruments in a marine. PINK: It is used to wire the boat fuel gauge senders to the gauge.
Is black positive or negative on a boat?
Positive wires are red (in our guide, your boat may have other colors) Negative wires are black (or may be yellow on your boat)
What color is the hot wire on a boat?
Alternating Current: Wiring Color Codes
AC is deadly! Black: Hot: An ungrounded current carrying conductor. This is the hot side of the system.