Lesson 1Using test instruments: digital multimeter techniques (voltage, current, continuity), clamp meter use, voltage drop testing, battery load testers, hydrometer and battery-specific diagnosticsTeaches practical use of digital multimeters, clamp meters, an battery testers. Students practice voltage, current, continuity, an voltage drop tests, plus hydrometer checks an battery-specific diagnostics to confirm system health.
Safe multimeter setup an rangesMeasuring DC an AC voltageCurrent an clamp meter techniquesVoltage drop testing on circuitsLoad testers, hydrometers, an BMS dataLesson 2AC system basics: 120V shore power, inverter operation, transfer switches, GFCI/AFCI protection and testingIntroduces 120V AC distribution in RVs, including shore power inlets, transfer switches, an inverter functions. Covers GFCI an AFCI protection, proper testing methods, an recognizing wiring faults dat can create shock hazards.
Shore power inlets an cordsTransfer switch operation checksInverter modes an pass-throughGFCI an AFCI function an testingNeutral, ground, an bonding rulesLesson 3Electrical repair procedures and parts: terminal cleaning, crimping/lug selection, heat-shrink, busbar replacement, fuse and breaker replacement, wiring repair best practicesCovers hands-on electrical repair methods, including cleaning terminals, selecting an crimping lugs, an using heat-shrink. Reviews busbar, fuse, an breaker replacement, plus best practices fi splicing an routing replacement wiring.
Cleaning an restoring terminalsSelecting lugs an crimping toolsHeat-shrink an strain relief useReplacing busbars, fuses, an breakersSplicing an routing replacement wiringLesson 4Safety procedures for working on RV electrical systems: lockout/tagout for shore power, working with live 12V and 120V circuits, PPE and fire risk mitigationDetails electrical safety practices fi RV work, including lockout/tagout of shore power, verifying zero energy, an safe methods around live 12V an 120V circuits. Reviews PPE, arc an fire risks, an safe use of tools an test leads.
Lockout/tagout fi shore powerVerifying circuits are de-energizedSafe work around live 12V an 120VRequired PPE an insulated toolsFire risk, extinguishers, an egressLesson 5Charging systems: converter/charger operation, shore power interaction, alternator charging, solar charge controllers, absorption vs. bulk/float stagesExplores RV charging systems, including converter/chargers, alternator charging through isolators, an solar charge controllers. Compares bulk, absorption, an float stages, an shows how shore power an generators interact wid batteries.
Converter/charger operation checksAlternator charging an isolatorsSolar charge controller setupBulk, absorption, an float behaviorDiagnosing under- an over-chargingLesson 612V distribution: fuse/breaker types, busbars, grounding, chassis bonding, common wiring colors and gauge selectionExplains 12V distribution architecture, including fuse an breaker types, busbars, an grounding schemes. Covers chassis bonding, common RV wire color codes, an selecting proper wire gauge based on load, length, an voltage drop.
Fuse an breaker styles an ratingsBusbars an distribution blocksGrounding an chassis bonding pointsRV wire color conventionsWire gauge an voltage drop limitsLesson 7House battery health and parasitic draw testing: state-of-charge measurement, resting voltage interpretation, amp-hour testing, battery isolation switches and monitoringExplains evaluating house battery health using voltage, specific gravity, an load tests. Covers parasitic draw diagnosis, acceptable standby currents, isolation switches, an monitoring tools to prevent chronic discharge an premature failure.
Open-circuit an resting voltage checksUsing amp-hour an load testsLocating an measuring parasitic drawsUsing battery disconnect an isolationBattery monitors an shunt installationLesson 8Common causes of flickering lights: voltage drop, poor connections, undersized wiring, weak battery, converter issues — diagnostic approachFocuses on diagnosing flickering RV lights by checking voltage drop, loose or corroded connections, undersized wiring, weak batteries, an converter faults. Teaches step-by-step testing to isolate whether issues are DC or AC related.
Differentiating AC an DC lightingChecking fi low system voltageInspecting connectors an terminationsEvaluating converter output stabilityCorrecting undersized or damaged wiringLesson 912V DC fundamentals: battery types (flooded, AGM, lithium), capacity (Ah), CCA, BMS basics, safe handling and storage limitsProvides 12V DC fundamentals fi RVs, including flooded, AGM, an lithium battery types, capacity ratings, CCA, an basic BMS functions. Emphasizes safe handling, storage limits, an matching batteries to RV loads an charging systems.
Flooded, AGM, an lithium comparisonUnderstanding Ah, CCA, an ratingsSeries an parallel battery wiringBasic BMS roles an protectionsSafe handling, charging, an storageLesson 10Documentation and electrical schematics: reading RV wiring diagrams, tracing circuits, marking repairs and maintaining service recordsCovers how to read RV wiring diagrams, trace an label circuits, an document repairs. Emphasizes updating schematics after modifications an maintaining accurate service records to support future diagnostics an warranty work.
Symbols an legend interpretationFollowing power an ground pathsTracing multi-branch lighting circuitsMarking modifications on schematicsCreating an storing service records
