The Lexus GS is a series of mid-size luxury sports sedans / executive cars sold by Lexus since 1991. It is one of the most distinctive sport sedans on the road. It  combines challenging style, terrific down-the-road driving feel, and an edge of aggression. The 1995 Lexus GS300 has 2,997 cc 3 liters 6 in-line engine with 86 mm bore, 86 mm stroke, 10 compression ratio, double overhead cam and four valves per cylinder. The GS300 generates 220 HP @ 5,800 rpm.

lexus gs300 wiring diagramThe wiring diagram, cable harness routing and electrical schematic manual provide detail information on the electrical system of 1995 Lexus GS300 (JZS 147 Series). This manual is divided into 11 sections which are Index and Introduction, How to Use This Manual, Troubleshooting (describes the basic inspection procedures for electrical circuits), Abbreviations, Glossary of Terms and Symbols, Relay Locations (this section shows position of the Electronic Control Unit, Relays, Relay Block, etc), Electrical Wiring Routing (describes position of Parts Connectors, Splice points, Ground points, etc), Power Source, System Circuits, Ground Points and Overall Electrical Wiring Diagram.

The “Current Flow Chart” section, describes which parts each power source (fuses, fusible links, and circuit breakers) transmits current to. In the Power Source circuit diagram, the conditions when battery power is supplied to each system are explained. Since all System Circuit diagrams start from the power source, the power source system must be fully understood.

Find more information about 1995 Lexus GS300 Wiring Diagram Cable Harness Routing and Electrical System Circuit/Schematics here. (source:,,

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