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Thread: astra battery drain

  
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    Paulastrasxi's Avatar
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    astra battery drain

    the battery on my astra mark 4 tends to drain overnight. if its fully charged it will last a few days an then die. i bought a brand new battery and thought it was faulty so i took it back and got another one and have the same problem. my alternator is working fine so sumthing must be draining the battery. if i disconnect the battery overnight and connect it agen the nxt day it is fine any ideas what could the drain be????

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    Take out the battery, remove the cable from the altenator, put the battery back in, touch the altenator cable you just removed to the connection you just took it off from. If there is a small spark putting it back on, then it'lll be the diode on the altenator discharging it.
    Astra Sold! Now its back! Sold Again! Who knows whats going on!

    Currently Running MK1 1.8 MX5 with LSD awaiting boost, and a Red UK DC2

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    There's loads of things that could be draining a battery. The first thing to do is find out just how much the drain is with a ampmeter
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
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    ive had it checked with an ampmeter and its showing there is no loss in charge ive took it to 2 different mechanics but niether of them can figure out the problem. searched the problem on google and alot of ppl have had the same problem and it seems to be down to the radio. just b4 the problem happened i had my radio decoded and ive heard that the radio can be on sum kind of test mode wich runs all the time im not to sure about that one tho. it sad to power cycle ur ignition to get it out of test mode???? i havent got a clue what power cycle means maybe its a load of crap i dont no.

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    I thought the radio problems were on MK5's?

    Easy thing to try next then is to unplug the stereo and test the car for a week, you'll know yourself if it's fixed

    What readings did the garages get?
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
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    i dont no what readings it got they just said it all seems ok i never asked. i cnt afford to taake it back to the garage yet im gonna take it back in about a week an see what they say. till then im just gonna disconnet the battery everynight so it cant drain.

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