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Home >> Lexus >> 1999 >> GS 300 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Component Tests >> Brake Warning Light

Brake Warning Light

Release parking brake. Disconnect brake fluid level switch connector. Using jumper wire, jumper harness connector terminals together. Start engine. Brake warning light should illuminate. If brake warning light does not illuminate, check wire harness. See WIRING DIAGRAMS . Repair as necessary. If wire harness is okay, check bulb. See BULB CIRCUIT  under CIRCUIT TESTS.