Maintenance Electrical System The engine’s electrical system features cranking, charging, ignition, and trim/tilt circuits. A battery and all necessary wiring provide power. CAUTION! If electrical connections are re- versed, or wires are disconnected when the key switch is ON or the engine is running, sensitive electrical components may be im- mediately damaged. Do not turn off the main battery switch until the engine has stopped. Battery Cables The following are the minimum specifications for multi-strand copper cables from the motor to the battery for all models. The maximum length is 20 feet regardless of cable diameter.
18633 7743722 - Downloaded from www.volvopenta.com 13/05/2008 20:17:06 0 to 10 ft. (3.05 m) require a 1/0 AWG (80 MWG) cable. 10 to 15 ft. (3.05 to 4.6 m) require a 2/0 AWG (100 MWG) cable. 15 to 20 ft. (4.6 to 6.1 m) require a 3/0 AWG (120 MWG) cable. CAUTION! Do not use aluminum core battery cables. Failure to use battery cables of rec- ommended gauge and material could result in poor starting and electrical component damage. Batteries and Connections NOTE! Whenever you replace your battery, read and understand the information supplied with it before you begin installation. Battery Requirements: 22827 All EFI engines ...................
650 CCA non-deep cycle 5.0GL engines..............................................650 CCA 3.0GL, 4.3GL engines ..................................360 CCA 1. The battery used to start the engine must be a 12-volt, heavy duty marine battery, with adequate amperage for the engine model installed on your boat. NOTE! It is important that the battery connections are correct. The negative battery cable must be attached to the negative terminal (–) on the battery, and the engine’s positive cable must be attached to the positive terminal (+) on the battery. 22826 VPA 7743722 English 10-2004 75