How to Fix RV Rear Brake Lights and Hazards Not Working - Common Grounds & Connections
Rear brake lights and hazards out often common ground or connector issue. Check grounds at rear lights and chassis-coach junction.
Rear brake lights and hazards out often common ground or connector issue. Check grounds at rear lights and chassis-coach junction.
RV slide out water leaks typically occur due to worn weatherstripping, clogged weep holes, or misaligned seals. Start by inspecting the top seal and corners, then check drainage systems and side seals systematically.
All headlights out with other lights working points to headlight relay or combination switch failure. Check and swap headlight relay first - if no change, the combination switch is likely failed. Common issue on late 90s Ford chassis.
Camplux ovens have a calibration screw inside the temperature knob shaft. Remove knob to access small adjustment screw. Turn slightly to correct temperature offset. Use oven thermometer to verify accuracy.
A voltage drop from 12.5V to 10.3V under load indicates excessive resistance in your headlight circuit, likely from corroded connections or undersized wiring. This significant drop explains your dim headlights and requires immediate attention for safety.
Slide bottom leaks when retracted are from bottom wiper seal not making proper contact. On a 2023 unit, this is warranty work. Document with photos and contact your dealer.
$1400 for Triton V10 AC evaporator, dryer, and expansion valve is a fair price. Parts are $300-500, and 8 hours labor at shop rates is accurate for this dash-intensive repair.
F53 chassis uses commercial Ford AC components. Source from Ford commercial dealers with VIN, heavy truck AC suppliers like Four Seasons heavy duty, or AC shops specializing in medium-duty trucks.
LED tail lights on Workhorse cause slow flash or solid indicators. Fix with LED-compatible flasher relay, load resistors, and dedicated ground wires for each light.
F53 no start - check if it cranks first. Cranks but no start usually fuel pump, crank sensor, or ignition module.
T-track bulb seals available from RV seal specialists. Measure dimensions from old seal and clean track before installing.
Your RV sewer hose will likely freeze at 25°F, especially with the uphill section that creates standing water. The two-inch rise at your hookup point is particularly vulnerable to freezing.
F53 marker light intermittent failures usually stem from bad grounds or corroded connections. Check frame grounds, bulb socket grounds, and wiggle test connectors. Multifunction switch can also fail internally.
Your 50-ohm reading indicates excessive resistance in the brake light circuit, likely caused by corroded connections, damaged wiring, or faulty bulbs. The circuit path runs from the brake switch through the turn signal switch to the rear lights.
ME2012 showing 50A fault, self-test failure, and breaker trips indicates internal inverter failure or ground fault. Disconnect inverter to test shore power separately. Check all connections. Likely needs professional repair or replacement.