25 professional system diagrams. Tap to view full size.
Raw Water Cooling System
Complete raw water cooling flow from sea cock through strainer, impeller pump, h...
Freshwater / Closed Cooling System
Closed cooling loop with coolant pump, engine block, thermostat, heat exchanger ...
Diesel Fuel System
Complete diesel fuel circuit from tank through shutoff valve, primary filter/wat...
Bilge Pump System
Bilge pump plumbing and electrical: sump to float switch to pump through check v...
Sea Cock & Strainer Assembly
Thru-hull fitting, sea cock valve, basket strainer assembly with proper orientat...
Battery Charging System
Marine DC charging: alternator to battery isolator feeding house bank and start ...
Shore Power AC System
Shore power AC distribution: shore cord to inlet, galvanic isolator, main breake...
Anchor Windlass Wiring
Windlass electrical circuit: battery, main fuse, circuit breaker, contactor/sole...
DC Main Distribution Panel
Main DC electrical distribution from battery through main switch, bus bar, branc...
Dual Battery Bank Wiring
Dual battery bank wiring: start battery and house battery connected through a 1/...
Alternator Charging Circuit
Complete alternator charging circuit: alternator B+/S/F terminals, voltage regul...
Navigation Lights Wiring
Navigation lights wiring per COLREGS: switch and fuse panel to masthead, port re...
Bilge Pump Electrical Circuit
Bilge pump wiring with float switch for automatic operation and manual override ...
VHF Radio Wiring
VHF marine radio wiring: power and ground with fuse, coax antenna connection, ex...
Outboard Ignition Circuit
Outboard engine ignition circuit: key switch positions (Off/Run/Start/Choke), CD...
Outboard Trim / Tilt Circuit
Power trim and tilt wiring: battery through relays to trim motor, helm switch an...
Outboard EFI Sensor Wiring
Electronic fuel injection sensor wiring: ECU connections to MAP sensor, throttle...
Outboard Stator Charging System
Outboard stator charging system: stator AC coils under flywheel, rectifier/regul...
Diesel Engine Start Circuit
Diesel start circuit: battery, key switch positions, glow plug preheat relay and...
Diesel Engine Instrument Panel Wiring
Diesel instrument panel wiring: oil pressure sender, coolant temp sender, tachom...
Shore Power & Grounding System
Shore power AC system with galvanic isolator: shore cord inlet, galvanic isolato...
NMEA 2000 Network Topology
NMEA 2000 network layout: backbone cable, T-connectors, 120Ω terminators, power ...
Engine-to-Helm Wiring Harness
Color-coded 10-wire engine-to-helm harness: main power, ground, ignition key, ta...
Marine Wet Exhaust System
Water-cooled exhaust from engine through exhaust manifold, water injection elbow...
Engine Oil Lubrication System
Full-flow engine oil circuit: oil pan, pickup screen, oil pump, pressure relief ...