This wiring diagram manual has been prepared to provide information on the electrical system of the 2005 RX 330. This manual provides information on the electrical circuits installed on Vehicles by dividing them into a circuit for each system. The actual wiring of each system circuit is shown from the point where the power source is received from the battery as far as each ground point.

Models Covered: MCUU33, 38 Series

Contents:

• Introduction
• How to Use this Manual
• Troubleshooting
• Abbreviations
• Glossary of Terms and Symbols
• Relay Locations
• Electrical Wiring Routing
• System Circuits
• Ground Point
• Power Source
• Connector List
• Part Number of Connectors
• Overall Electrical Wiring Diagram

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