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Weird blue crap on battery terminal!

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Old 06-21-2009, 02:03 AM
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No, there's a 60A Fuse that the positive wire harness connects into.


Old 06-21-2009, 02:06 AM
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Look at your pics and look at my pics....I replaced the one opposite of the one you are replacing....

edit: from your picture I already know how Im going to replace this terminal I will post pics tomorrow if I have time Ill do it Tomorrow...
Old 06-21-2009, 02:12 AM
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oh, so you just replaced the negative terminal.. ok.. well so you know.. the factory wire harness is crimped to an o-ring and comes in from the bottom of the left side of the fuse and bolts into the positive terminal -- that should be no problem to bypass -- but there's also another wire that is much thinner with a special connector that snaps into that fuse thing.. i'm not really sure where that wire goes to.. perhaps to ground to allow the fuse to burn out properly if needed?

Last edited by maverick02; 06-21-2009 at 02:39 AM.
Old 06-21-2009, 02:31 AM
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Lemme do a quick demo of what Im going to do....and what I did with the positive terminal...Be back in 5 min or so... hold on..
Old 06-21-2009, 03:00 AM
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What do you think?...


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Old 06-21-2009, 03:10 AM
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I'm not sure I completely followed the diagram..but it's pretty late here so my brain isnt working :P Take some pics when you do it :D
Old 06-21-2009, 08:51 AM
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Your postive terminal has a small fracture in the post, mine was the same, but then I just relocated the new battery in the trunk. The positive terminal block has two wires connected to it then the fuse for the eps is connected to the block for their type of inline fuse. Gotta make sure that the corrosion didn't spread to bad down inside the wire also.
Old 06-21-2009, 01:18 PM
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Originally Posted by maverick02
zoomzoom, did the new terminal that appears to be zinc plated... has that corroded since you installed it?
nope, hasn't happened since then, remember it only corrodes if the battery is leaking acid out of the terminal (which yours did). i do check the battery terminals every time i do an oil change now, so lessons learned for me is to keep an eye on them battery terminals regularly!
Old 06-21-2009, 02:29 PM
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Originally Posted by ZoomZoomH
nope, hasn't happened since then, remember it only corrodes if the battery is leaking acid out of the terminal (which yours did). i do check the battery terminals every time i do an oil change now, so lessons learned for me is to keep an eye on them battery terminals regularly!
Well.. it's my understanding that these batteries are not sealed. they vent vapors and it's those vapors that come into contact with the copper terminal and corrode. I'm guessing the reason the new ones are zinc plated is because it has less chance of corroding...at least I hope so!
Old 06-21-2009, 03:53 PM
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You also need to clean and repair or replace the battery hold down. Once it starts corroding, never seems to stop.
Old 06-21-2009, 10:41 PM
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Originally Posted by ZoomZoomH
you'll need to buy it at a mazda dealer...
and the reason for that is....
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