12V Wiring Systems
Marine Wiring Cost for a Full Refit
What does a full 12V boat rewire really cost? Real price tiers by boat size, DIY vs pro labor, and where to…
12V Wiring Systems
ABYC Wiring Basics for DIY Boaters
The handful of ABYC wiring ideas that keep boats safe: tinned marine wire, correct sizing, close fuse protection, and sealed crimp connections.
12V Wiring Systems
Marine Wiring Tools Every Owner Needs
The eight marine wiring tools that let you handle pumps, lights, and troubleshooting yourself, with prices and buying tips for each.
Marine Battery Banks
Dual Battery Setup for Small Boats
How to build a reliable dual battery setup on a small boat, keeping the starting battery separate from house loads with a…
12V Wiring Systems
Wiring a Marine Fuse Block
A practical walkthrough for wiring a marine fuse block: pick a location, protect the feed, size every fuse to its wire, then…
12V Wiring Systems
Finding a 12V Short Circuit on a Boat
A dead-simple, step-by-step method for finding and fixing a 12V short circuit on your boat using a cheap multimeter and a bit…
Lithium Battery Upgrades
Wiring an Alternator to a Lithium Bank
How to wire your engine alternator to a LiFePO4 bank without cooking the alternator, using a DC-DC charger, correct wire gauge, and…
Marine Battery Banks
Battery Isolators vs VSR: What to Use
A plain-spoken head-to-head on battery isolators vs VSRs, with a comparison table, real numbers, and a clear pick for most boats.
Inverters and Charging
Why Your Inverter Keeps Tripping
Six real reasons a boat inverter keeps tripping, from skinny cable to overloaded circuits, and the quick dockside fix for each one.
12V Wiring Systems
Heat Shrink and Sealing Marine Connections
A dock-side walkthrough for sealing 12V boat wiring with adhesive-lined heat shrink so salt water and corrosion stay out of your connections.
12V Wiring Systems
Understanding Voltage Drop on Boats
Voltage drop is the quiet tax on every 12V circuit. Learn the 3 percent rule, round-trip length, and how to size wire…
12V Wiring Systems
Reading a Boat Wiring Diagram
Learn to read a boat wiring diagram the easy way: know the symbols, follow the current from positive to ground, and trace…