1999 Volvo Penta "WT" Models Workshop Manual, Page 383Get this manual
Sterndrive Fuel and Electrical Systems
The electrical System begins here at the battery and ends here at the carburetor or fuel injectors
The fuel system starts here at the fuel tank
and ends here on the engine
What's Important?
Fuel leakage must be preventedElectric sparks must not happen
What Could Happen?
Gasoline can explode and or burn easily: When boating, fuel leaking in the engine compartment could be ignited by spark from loose wire connection, or damaged or deteriorated electrical component