How do I stop my new car radio draining the battery on my FIAT Punto Sporting MK2?

October 20th, 2008 | email this | digg it

Published in Artikel

I bought a Silvercrest Car Radio with CD and MP3 player (KH2380) from LIDL a few weeks ago?

http://www.mysilvercrest.de/en/artikel.php?a=98

However I believe the unit is totally draining my car battery – the battery had been dead now on three occasions after not driving the car for about 2 to 3 days.

The car is a FIAT Punto sporting MK2 – 6 years old (1999 / 2000 Model).

The first time this happened I changed the original battery for a brand new one (Bosch Silver) which I’d first charged overnight.

The silvercrest only has 4 pins on it – I have read somewhere that the wiring for the FIAT Punto was non standard and that you need to swap the yellow and red wires around.

Or just remove the yellow wire totally that supplies power to the unit even when the car is off? I do not mind losing radio presets as I only ever listen to CD / MP3 anyway. My main concern is to always have a car that starts.

Any head unit shouldn't drain the battery as yours does, I think it may be wired incorrectly.
I'd run 2 direct lines from the battery 1 via an inline fuse straight to the head unit power in and one to the earth, link the constant live to the ignition input if you ever do want to save your presets.
Either that or the alternator belt is loose or a bad connection somewhere else.

10 Responded To This Post

164. The Mighty Wez said in January 2nd, 2007

Any head unit shouldn't drain the battery as yours does, I think it may be wired incorrectly.
I'd run 2 direct lines from the battery 1 via an inline fuse straight to the head unit power in and one to the earth, link the constant live to the ignition input if you ever do want to save your presets.
Either that or the alternator belt is loose or a bad connection somewhere else.
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165. Hannie S said in January 2nd, 2007

I have a seicento and the think i found is that you have to turn the stereo off seperately to the ignition - my brother left the stereo on for about 10 hours straight and that killed the battery. I know it will cause you more effort but if you already had a cd player you're better to stick with it. My old car was at risk from giving me a shock because there were wires dangling out of the dash board the previous owner was a boy racer who had fiddled with nearly everything on the dash
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166. for a pound said in January 2nd, 2007

dont think the battery is big enuf to power a radio in a fiat punto
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167. Dave313 said in January 2nd, 2007

Check the wiring, there is a permanently live to keep the coding and should be a seperate Auxiliary feed so it switches off with the ignition, It is staying on all the time.
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168. fivelighters said in January 2nd, 2007

put more coal on the fire
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169. witheringtonkeith said in January 2nd, 2007

if got a fiat and with my radio i have to turn it off seperatly
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170. Escort_Turbo said in January 3rd, 2007

yeah well this could be a few things mate, if you have a sup and amp then its almost 100% gonna be your problem as you run a direct live from the battery which is what was draining my car on me! so i had to take the fuse out of the amp everynight, or if it is just the headunit then maybe the remote or sumthin like that is causing the unit to stay on all the time, i no it sounds silly but why not take it down to your nearst halfords and they will probably be able to pin point it straight away, JUST DONT LET THEM SELL YOU ANYTHING!! lol and what that guy said at the top, it probably has been wired incorrectly….
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experince

171. MICHAEL B said in January 3rd, 2007

buy a proper motor for your stereo
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172. kremmen001 said in January 6th, 2007

Have you tried the support page

http://www.mysilvercrest.de/en/artikel.php?a=98&av=2
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173. spinx said in January 7th, 2007

you could put a manual switch in the circuit on ure dash to turn your radio on and off m8 easy
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