although battery main negative cable look good. just in case i disconnect and clean well and connected again. fault not apeared again. i wait a week to confirm. so finally solved.
thnks for all to help me.
i have checked voltage on cig lighter....after switching off when warning lights came. there was 4.05 volts ... no lights on instrument cluster when switch on but not crank. after cranking voltage jump to 13.79 - 13.98 volts..... could be sign of alternator ?? that sudden drop... 😕😕
checked voltage around battery teeminals 14.33v
on alterneator 14.35v
checked on cig lighter on idle rpm and on 3500rpm...
thnks for reply. i have checked on idle on battery terminals show 14.4 ... bt not checked while driving... i will do tht and post the result.... if alternator faulty ... how battery could be charged.. there is no warning of battery when tht occur... and how it is fine after shutting and starting...
any one can help me .... plz my skoda 1.4 tdi strange intermittent problem abs, parquing brake light , then steering wheel light and power steering loss.. voltage drop at a level tht engine missfire instrument cluster go off. but after shutting down engine start again all ok. ive checked all...