How to Replace RV Generators

RV generators are easy to replace as most commercially available recreational vehicles already have a stock generator equipped. The generator in your RV is used to power the rig in the absence of a conventional electrical source. Most RV generators are powered by diesel fuel. Follow the steps below to replace an RV generator on your own.

Tools and Materials

  • Ratchet
  • Socket wrench set
  • Screwdrivers (Phillips and flat-head)
  • Safety hand gloves 
  • RV generator

Step 1 – Preparation

Turn off the RV. Disconnect the red and black electrical cables that run from the generator to the RV batteries. Depending on the make and model of your RV, it would be best to disconnect all electrical plugs that are connected to the generator. Check your owner’s manual for complete reference.

Step 2 – Loosen Bracket Screws

Use a ratchet and socket wrench set to loosen the screws and/or bolts that hold the generator in place. The generator may be held in place by mounts or brackets. Loosen the corresponding bolts to easily remove the generator in place. Take care not to spill excess diesel fuel when moving the old generator.

Step 3 – Place the New Generator

Place the new generator in the mounting area and tighten the bolts that hold the generator in place. Double check every attachment point to make sure that all bolts are tightly secured.

Step 4 – Connect Electrical Cables

Connect the red and black electrical cables to the new generator. Remember to secure the grounding wire as stated in the generator user manual. Turn on the generator and check for proper operation by turning on the lights and electrical devices on the RV.

Remember to choose the right kind of generator for your RV. This will result in increased efficiency and ease of operation.