Chevrolet Express 3500 blower motor issue caused by scraped wires grounding against the van frame on Chevrolet Express 3500

Some Chevrolet Express 3500 owners report experiencing blower motor issues due to scraped wires grounding against the van frame, which can lead to electrical problems. Common causes for the blower motor malfunction include a bad relay, resistor or control module, and faulty blower motor. Additionally, a bad electrical connector or broken wire may also contribute to the blower motor not working properly. Owners are advised to inspect the wiring harness for any damage or exposed wires that could be causing a short circuit. Promptly addressing these scraped wires is crucial to prevent further damage to the electrical system and ensure safe operation of the blower motor. It is recommended to seek professional assistance for proper diagnosis and repair to avoid safety hazards and ensure the blower motor functions correctly.