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Home >> Lexus >> 1990 >> LS 400 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Testing >> Neutral/Start Switch Circuit >> Wiring Harness
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Wiring Harness

Check wiring harness for open circuit between cruise control ECU and ST (starter circuit) fuse. If wiring harness is faulty, repair or replace wiring harness or connector(s). If wiring harness is okay, check and replace cruise control ECU.