Bombardier SeaDoo 1989 factory shop manual, Page 83Get this manual
Section ELECTRICAL Subsection 01 (WIRING DIAGRAM)
WIRING DIAGRAM
WIRING COLOR CODES
First color of wire is the main colorSecond color is the tracer color
E YELLOWIBLACK is YELLOW wire with BLACK tracer
Some wires have coloredl-identification tube near wire terminalOn wires having such tube, tube color (NOT wire color) will be usedEx BLUE wire with yellow identification tube is referred as YELLOW wire