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Old 31 Oct 2007, 09:15 am
MG MG is offline
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Default Is my car digital clock related to my Stereo head Unit?

Honda civic 93 ESI 1.6vtec (EH9 salloon).My sony Gt410u headunit just died on me when i was pumping my tunes. I have checked the fuse on the Headunit and the fuse under the dash relating to (stereo and cigerret lighter) all ok. the cigaret lighter works and I measured 12v (ignition power) and 2.8v (constant power) on the 2 terminals supplying voltage to headunit.Only other thing i picked up is that my Digital clock is not working anymore either.Its a long shot but any help?Indeed i cant find the fuse for the Clock, its not listed on my fuse pannel in the car, it must be under the bonnet then.Aha! what is the constant power that supplied to the headunit to keep the settings and time? I measured 2.8v for the constant power which must be used for the clock aswell since it needs to keep the time while car is off. should it be more than 2,8v?Hi, THANKS guys I fixed it just clock was not working and I actually remeber that if you reset your ECU from trouble codes you loose your digital clock time...under the hood there is a fuse 7.5 called "backup" which you remove for 5s to reset ECU...that fuse went and after replacing it everything is OK.Cheers for the help! much appreciated
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Old 31 Oct 2007, 09:15 am
Junior Member
Join Date: Oct 2007
Posts: 1

you never said if you checked the clock fuse so try that for the clock, as fo the sterio, try connecting something else to that supply, like a bulb or something, if it works then you have blown a circut board in the stereo
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