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Some here may know that I have an old (04) Nissan 350z as my gas guzzler of choice. Had her for 10 or so years now.
I drive about every 6 weeks or so, to visit the parentals, so it was unsurprising the other week when I discovered the battery dead as a dead thing one rainy, windswept morning. Got a new battery fitted at short notice from the lovely chaps at Kwik Fit (my car has a 'special' battery; none of that universal, find one anywhere types common folk have). It seemed plausible that it had died, the last battery change was over 5 years ago.
Imagine, therefore, my dismay when I pop out to my car three days after the new battery has been fitted to discover it be dead as a dead thing once again.
Now starts the presumably expensive game of 'find the electrical fault' that is draining the battery.
Shall I just give up now or fight the good fight for a while longer?
nah this is the end!
buy a charger from Amazon and enjoy many years fully charged!
Always forgive your enemies; nothing annoys them so much.
I only use my car a couple of times a week, and have to leave it permanently on a trickle charger. The parasitic load, when it's parked up, drains the battery in 7-10 days to a point where the starter motor won't turn the engine over. ...
Something else you can do is have a rotary battery switch fitted. By rotary I mean you have to turn it like a tap to close the contact, which is much safer than a simple lever or something that might turn it off while driving, for example if things started shifting in the boot and moved the switch.
My Rangerover jumps into life and starts whirring when I go anywhere near it, even if I have no intention if driving it. I can hear a fan spinning away running down the battery. Why oh why did the idiot designers allow this stupidity?! When a vehicle is off, it should be OFF!
There are specs for how much current a module is allowed to take when it's "off".
The first Corolla I bought took half an amp when it was "off" which flattened the battery in a week, from fully charged to won't turn the engine over.
Obviously it had a fault somewhere, but as mentioned above, a trickle charger kept the battery topped up and it lasted for years like that.
Mine draws 100ma. Doesn't sound much but that's over 2 amps a day; 14 amps a week. A couple of weeks or so and the battery is too low to turn the engine over.
BTW, I tried one of those solar trickle chargers. Just about works in the summer but useless in the winter. Also, if you have even slightly tinted windows it greatly reduces the power output of the solar panel.
Last edited by DealorNoDeal; 26 October 2019, 07:08.
Scoots still says that Apr 2020 didn't mark the start of a new stock bull market.
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