Jonse123
09-01-2008, 11:37 AM
My 1998 A4 1.9Tdi has been fairly trouble free during the past 5 years I've owned it but I have a head scratching problem that I'm hoping someone could give some help with.
Over the Xmas period I hardly drove the car & , like many others , found a flat battery in the New Year.
I immediately thought it was the battery & after charging fully I refitted the battery & car started 1st. time.
Next morning battery was completely flat again.
I assumed it must be a duff battery ( although a Varta less than 4 years old ) & duly paid £90 for a BOSCH battery.
Again started 1st time , started next morning , completly dead by the end of the day.
Car easily starts & runs as normal when started with a fully charged battery.
Saw a couple of threads in this forum & followed members advice to remove battery cable & connect volt meter between cable & battery post. I can see 12V on the meter & proceeded to remove fuses to see where a short might be.
Removed ALL fuses from fuse box & can STILL see 12V on voltmeter.!
Am I doing this correctly?
If yes shall I continue this check but start unplugging relays ?
I can not find any reference in owners manual or Haynes manual as to fuses for the radio or the CD changer ( I fitted CD changer in boot to existing lead couple of years ago without any problems )
Is there a fuse for the radio / changer ?
I can not hear any motors / pumps running with ignition off only thing I have noticed that coincides with this problem is that the one touch electric window power down or power up is now not working . ( JUST READ IN OWNERS MANUAL THAT THIS IS CAUSED BY THE BATTERY BEING DISCONNECTED )
Managed to get to work today by removing / reattaching negative lead from battery ( again starting 1st. time so far )
Any advice would be greatly appreciated thanks.
Over the Xmas period I hardly drove the car & , like many others , found a flat battery in the New Year.
I immediately thought it was the battery & after charging fully I refitted the battery & car started 1st. time.
Next morning battery was completely flat again.
I assumed it must be a duff battery ( although a Varta less than 4 years old ) & duly paid £90 for a BOSCH battery.
Again started 1st time , started next morning , completly dead by the end of the day.
Car easily starts & runs as normal when started with a fully charged battery.
Saw a couple of threads in this forum & followed members advice to remove battery cable & connect volt meter between cable & battery post. I can see 12V on the meter & proceeded to remove fuses to see where a short might be.
Removed ALL fuses from fuse box & can STILL see 12V on voltmeter.!
Am I doing this correctly?
If yes shall I continue this check but start unplugging relays ?
I can not find any reference in owners manual or Haynes manual as to fuses for the radio or the CD changer ( I fitted CD changer in boot to existing lead couple of years ago without any problems )
Is there a fuse for the radio / changer ?
I can not hear any motors / pumps running with ignition off only thing I have noticed that coincides with this problem is that the one touch electric window power down or power up is now not working . ( JUST READ IN OWNERS MANUAL THAT THIS IS CAUSED BY THE BATTERY BEING DISCONNECTED )
Managed to get to work today by removing / reattaching negative lead from battery ( again starting 1st. time so far )
Any advice would be greatly appreciated thanks.