Vehicle & Technical > Discovery
Battery woes
SteveGoodz:
It's difficult to say if the SRS light problem is a symptom of a failing battery or the reason for the battery to drain :?
The intermittent dimming/brightening of the SRS light could be caused by a poor connection somewhere but it could also be lots of other things too - intermittent electrical faults are a fatherless-offspring to track down :x
Evilgoat:
Missing the fact that batterys can and do age, they simply get to the stage where they do self discahrge.
Off-load volts for the battery should be about 12.5v so the drop after starting isnt that surprising. As already mentioned the glow plugs draw a lot of juice but it shouldnt drop that much, this suggests the battery is either discharged at this point or no longer able to supply its capacity.
It is possible to overcharge a battery too, leaving one constantly on trickle isnt actually that good an idea. As the battery charges it wnets hydrogen and oxygen, this has to come from somewhere and causes the electrolyte levels to drop. Take the caps off and check the levels, if you can see the plates, top them up but use de-ionised water, DO NOT USE TAP WATER IT WILL EXPLODE, so the plates are just covered. Remeber the acid is corrosive,it'll eat the body and your body too.
Ralph:
I have allways used tap water, sure its not much good for battery but have never had one EXPLODE as you say. Thats either scaremongering or limited knowledge.
Evilgoat:
--- Quote from: "Ralph" ---I have allways used tap water, sure its not much good for battery but have never had one EXPLODE as you say. Thats either scaremongering or limited knowledge.
--- End quote ---
Edited:
I cant be bothered to justify myself or explain the risks as you obviously know them better than me. I'm sick of justifying my professional eperience and expertise on here so I'll leave it at:
If you feel the need to blow yourself up please do, but dont instruct other members to do it.
Ralph:
I'm not telling other members to blow themselves up. Simply putting foward MY experiences, which is afterall what most people do on here which is what helps other people to get things done.
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