Keystone RV Awning Parts Guide: Cougar, Montana & More
Drew Callahan · August 4, 2026
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Drew Callahan · August 4, 2026
Installing a Victron BMV-712: the Shunt Wiring Mistake That Ruins Your State of Charge
Drew Callahan · July 29, 2026A battery monitor is only as honest as its shunt wiring. The one rule that decides whether your state-of-charge reading means anything, and the programming steps people skip.
Battery Cable and ANL Fuse Sizing for an RV Lithium Bank
Drew Callahan · July 29, 2026Cable gauge answers two separate questions and most people only ask one. How ampacity and voltage drop differ, why the fuse protects the wire rather than the device, and how close to the battery it has to sit.
DC-DC Charger vs. Alternator: Why Your Van’s Alternator Won’t Charge LiFePO4 Properly
Drew Callahan · July 29, 2026Wiring a lithium house bank straight to the alternator either undercharges it or cooks the alternator. What a DC-DC charger actually does differently, and how to size one.
Sizing a Victron SmartSolar MPPT for an RV: What the 100/30 Numbers Actually Limit
Drew Callahan · July 29, 2026The two numbers in a Victron model name are a voltage ceiling and a current ceiling, and they constrain different things. How to size an array without discovering the cold-weather voltage trap the hard way.
The Inline Fuel Filter Is the Cheapest Fix for a Diesel Heater That Won’t Start
Drew Callahan · July 29, 2026Before you buy a pump, a glow plug or a control board, spend five minutes on the part that costs the least and fails the most. Why heater fuel filters clog early and what else lives in the same fuel path.
Diesel Heater Blower Motor: Diagnosing Rattles, Slow Spin-Up, and Overheat Shutdowns
Drew Callahan · July 29, 2026A grinding heater that shuts itself down on an overheat code is usually a tired combustion air fan. How to tell bearing wear from a blocked duct before you pull the unit.
Diesel Heater Glow Plug Symptoms: White Smoke, Failed Ignition, and How to Test It
Drew Callahan · July 29, 2026White smoke and a flame-out code usually mean fuel is arriving but nothing is lighting it. How to test a glow plug properly — and why the combustion screen behind it is the part that actually failed.
Diesel Heater Fuel Pump Not Clicking? Test the Dosing Pump Before You Replace It
Drew Callahan · July 29, 2026A diesel heater that spins up but never lights is usually a fuel delivery problem, not a dead controller. How to tell whether the dosing pump is actually failed — and the three cheaper things that mimic it.
Newmar Dutch Star Chassis Fluids: Transmission Check & Hub Oil
Drew Callahan · July 4, 2026
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