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02-24-2009, 08:10 AM | #1 |
Drives: Black HB Join Date: Oct 2008
Location: AK
Posts: 542
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Disconnecting battery to work on electrical system
Does it really matter which terminal you disconnect whenever you are installing stuff? I've always disconnected the + but only recently for some reason I keep noticing everywhere that you should disconnect the -? Does it really matter?
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02-24-2009, 08:16 AM | #2 |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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EDIT: either connection is fine.
What are you working on that you must disconnect the battery ? The dealer didn't even disconnect mine when they replaced the alternator. Last edited by IllusionX; 02-24-2009 at 10:13 AM. |
02-24-2009, 08:23 AM | #3 |
Drives: Black HB Join Date: Oct 2008
Location: AK
Posts: 542
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Just a couple amps. I disconnect the battery because no matter how many systems I install, I have a bad habit of letting my live wires touch things they shouldnt. :)
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02-24-2009, 08:23 AM | #4 | ||
Start another Oil Thread!
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lmfao disconnect whichever one is accessible, it does the same thing don't listen to this guy
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02-24-2009, 10:12 AM | #5 |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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You are right one this one... i completely forgot about how the battery is connected to the car LOL.
edited my post... |
02-24-2009, 10:15 AM | #6 |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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03-28-2009, 08:40 PM | #7 | |
Drives: 2008 Yaris 5-door Join Date: Mar 2009
Location: White Rock, BC CANADA
Posts: 5
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If you disconnect the negative, shorting to ground with the wrench won't do anything, since it's already connected to ground. |
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03-28-2009, 08:44 PM | #8 | |
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agreed, however this would only be if you touched the pos+ on the battery to a ground point on the car, regardless, good practice is to disconnect the neg- |
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03-28-2009, 11:56 PM | #9 |
Audio Junky
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all that matters is that you break the circuit.
If one wanted to argue semantics... you could probablly prove that the negative terminal is the one to disconnect since power flows from the negative to the positive (Its the negative terminal that sends out power), but really... who cares... the answer is... either is fine. I always just yanked fuses..... usually I didn't even do that.. haha. A good distroblock should be fused as well as your power cable (within 8inches of the battery). |
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