lexas dave Posted October 1, 2008 Share Posted October 1, 2008 my 90 ls400 - all the warning lights stay on all the time. and what fuse resets the check engine light? Quote Link to comment Share on other sites More sharing options...
90LS400Lexus Posted October 2, 2008 Share Posted October 2, 2008 my 90 ls400 - all the warning lights stay on all the time. and what fuse resets the check engine light? Probably a bad alternator... seems common on these cars and a failing alternator causes a host of lighting issues. Quote Link to comment Share on other sites More sharing options...
jcrome04 Posted October 3, 2008 Share Posted October 3, 2008 Most likely alt. Get it checked-----> replace it Quote Link to comment Share on other sites More sharing options...
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