I am to unplug the battery negative and later put it back on. (to put in AUX audio input adaptor)
Is there any precautions I should take notes of ? anything I should be aware of ? Or just "take it off/put it on" simple as that ?
thanks
"klara" wrote in news: snipped-for-privacy@v46g2000cwv.googlegroups.com:
Yes, it's as simple as that.
Just handle the connection with care, wire-brush it clean, and don't overtighten it after.
Rough handling and overtightening will risk cracking the case/post seal, and you'll get that fuzzy green corrosion everywhere.
Also smear some white grease or petroleum jelly on the terminal and post before reconnecting, then put some more on top afterwards. Even spray white grease will do.
If your car is post'96, you'll need to drive it around for a week or so to let all the OBD-II emissions flags set, so you won't be able to pass certain emissions tests until then. And if your car is new enough for its automatic tranny to have "grade logic", the computer will need to relearn that as well, so it might feel funny for a while.
-- Russ Panneton snipped-for-privacy@hotmail.com Nederland, CO "Too bad ignorance isn't painful"
*** Free account sponsored by SecureIX.com *** *** Encrypt your Internet usage with a free VPN account fromSparky wrote in news: snipped-for-privacy@4ax.com:
Excellent point! It's even in the FAQ.
yes thanks i definitely have that code ;)
04TSX/Navi
sure that's safe ? are those prodcuts flammable ? just nervous at the thought of any flammable stuff on the terminals
No - both of those are non-flammable. Petroleum jelly is often used for battery terminals for the same reason it is used on skin - it forms a persistent barrier to liquids (battery acid in this case). It has the advantage of being found in the baby department of any drug store or supermarket. Now, if only it weren't so messy....
Mike
"klara" wrote in news: snipped-for-privacy@i40g2000cwc.googlegroups.com:
Your battery is potentially explosive. A bit of grease on the terminals is nothing compared to the inherent risk of explosion contained in any lead- acid battery. Garages put grease on the terminals as a matter of routine.
You can put literally any kind of grease on the battery terminals. You don't need to put it on like you were putting cream cheese on a bagel, just a skin will do. Got some Crisco? Lard? That'll do too.
As Mike says, it's there to prevent corrosion by excluding gases. Not only does it protect against battery acid, but the oxygen in the surrounding air.
By the way, you can use petroleum jelly, but don't use KY-Jelly. That's water-based, for obvious reasons. :)
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"karinhall" wrote in news: snipped-for-privacy@usa2net.net:
Good question and I don't know the answer. I've just emailed Bill Darden of the Battery FAQ and asked him.
His site is
i would not do it...i wouldn't even jump other car with my car... I've heard it's "not good" for modern car circuitry That's why I carry with me a portable car jumper so I don't appear like asshole refusing to help people jump car.
Modern car is partly like a computer with pretty sophisticated electronics. Heck I wouldn't mind frying a Desktop but a 30K car.....I wont take the chance.
"TeGGeR®" wrote in news:Xns9796C7D07F4D1tegger@207.14.113.17:
I received a reply from Bill Darden:
"Some external chargers are not voltage regulated and produce charging voltages in excess of 15 VDC. These higher voltages can damage electronic and electrical accessories in the vehicle such as the emission computer. Another possibility is static electricity or spikes when connecting the charger. Reversing battery jumper cables or battery charger leads is a more common problem."
Basically the problem seems to boil down to two things:
1) Reversing the cables, and 2) Using an inappropriate charger.What I'm reading into this is that if you were careful, knew what you were doing, and used the right equipment, it would be OK to charge the battery in-car.
25 years ago I would have said you were being overcautious. Today your approach is wise.
Part of the problem is in the question: why does the car need a jump? At the very least, the battery is dead. Charging a dead battery with the alternator is not a good idea any more
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