Class T, Lynx Class-T Power In and MRBF: Fusing a Lithium House Bank on a Sailboat
How to fuse a lithium house bank on a sailboat: what interrupt rating means, where Class T, MRBF and MEGA fuses belong, and a Lynx layout that works.
RV Parts & Off-Road Camping Blog
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Charging a Lithium Camper From an Electric Truck's 7-Pin: Lightning, Rivian and Tesla
What the Lightning, Rivian and Tesla 7-pin connectors really deliver to a trailer battery, why a plain wire fails, and how to set a DC-DC current l...
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Trailer Brake Controller Troubleshooting From the Tow-Vehicle Side
No power at the 7-pin brake pin, a controller that sees no trailer, or voltage with nothing hitched. How to test the truck side before blaming the ...
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Taxa Mantis and Cricket Troubleshooting: Pump Fuse, Roof Latches and Weatherseal
The three faults Taxa's own troubleshooting sheet names on a Mantis or Cricket: a dead water pump, a roof that leaks at the latches, and tired weat...
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12V RV Cooling Fan Guide: Wiring and Airflow Planning
The TKFAN DCH12038HV12B is listed as a 120mm 12V DC high-power cooling fan with 285 CFM airflow. This guide explains how to plan intake and exhaust...
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BEP Marine 721 Battery Selector Switch Guide for RVs
The BEP Marine 721 is a heavy-duty 350A manual battery selector switch with 1, 2, BOTH, and OFF positions. This guide explains how each setting wor...
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RV LED Lights Flickering or Failing: Causes and Fixes
Why RV LED lights flicker, buzz or die early, how voltage and dimmers cause it, and what to look for in a replacement that lasts on 12 volts.
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RV 12V Fuse Keeps Blowing: How to Find the Short
A fuse that blows with nothing switched on means a short, not an overload. How to tell them apart, where RV wiring chafes, and how to trace it safely.
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No 12V Power in Your RV: How to Find the Cause
Nothing works on 12 volts and the breaker is fine. Where the main fuse, reverse polarity fuse and battery disconnect hide, and how to test each in ...
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VE.Direct vs VE.Bus vs VE.Can: Which Cable, Which Port, Which Device
The three Victron communication networks explained: which devices use each, which cable to buy, and the terminator rule that stops a VE.Can bus wor...
