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Home >> Lexus >> 1992 >> LS 400 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Testing >> Stoplight Switch Circuit >> Wiring Harness Check
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Wiring Harness Check

Check wiring harness between cruise control ECU and stoplight switch. If wiring harness is faulty, repair or replace wiring harness or connector(s). If wiring harness is okay, check and replace cruise control ECU.