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08-08-2003, 11:38 PM | #1 |
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Vehicle:2006 Legacy Outback Blue |
Is their a good spot for battery under rear seat?
On my '03 WRX Wgn ... it there a good spot for a smaller car battery under the right rear passanger bench?
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08-09-2003, 12:08 AM | #2 |
Trust no one
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There isn't enough room under there. Also you wouldn't want to have a battery inside the passenger compartment because they vent gas when charging. Normally when a battery is relocated it goes in the trunk and is installed in an enclosed battery box that is vented to the outside.
Sealed solid-electrolyte batteries such as the Optima are designed not to vent under most conditions but they do still have vents and provision must be made for them. |
08-09-2003, 12:58 AM | #3 |
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My old (1967?) VW Sedan ... had it's battery ... definitely not Sealed ... factory installed under the rear seat ... ?
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08-09-2003, 08:40 AM | #4 |
Trust no one
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Yeah, I had a '68 bug so I know about that. First of all there was enough room under there for a battery, and I think there was some kind of vent at least from the factory although maybe not for a replacement battery. Anyway after a few years the battery acid would rot out the floor pan under there so there would be a "natural" vent Sometimes it would rot enough that the battery would actually fall out Definitely not the best location for a battery.
Some more modern cars have had them there as well, Audi and BMW for instance. I don't recall the exact setups but I'm sure they had vents. I do know that jump-starting was a PITA. BMW puts them in the trunk now. |
08-09-2003, 04:41 PM | #5 |
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Can't you get one of those little Dynabatt's (or something similar) that is a tiny little sealed battery that doesn't discharge gasses? You could easily park that under the drivers or passenger seat...
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08-10-2003, 12:04 AM | #6 |
Scooby Guru
Member#: 25243
Join Date: Sep 2002
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Vehicle:2006 Legacy Outback Blue |
yes ... that's what I'm asking about ... my original post says "smaller" battery ... just wanted to know before I start taking my rear seat out ...
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08-10-2003, 03:31 AM | #7 |
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Vehicle:2002 WRX WRB |
I thought about that location but threw the idea out. I'm not sure if you've planned out the wiring yet, but if you're putting it on the passenger side I saw two problems.
The first problem I saw.. if you run the power wire down the driver's side or even down the center console, it's hard to fit thick wire in the center to cross-over to the passenger side because everything from the paneling to the carpet is a tight fit. You could dremel out some of the plastic and cut holes in the carpet, but just to let you know it isn't as easy as you might think. The second problem I saw.. if you try to run the power wire down the passenger side, you're going to run it close to the ECU which isn't a good thing because of the magnetic field that happens when current flows through that wire. |
08-12-2003, 12:22 AM | #8 |
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Vehicle:2002 WRB wrx wagon AVO stg I,II Shiv ECUtek |
sure, go ahead and pull up the rear seat in your wagon. now find your fuel tank.
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08-13-2003, 05:04 PM | #9 |
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/\
| That's why rallispec (major props!) made four battery mounting feet and welded to the center piece across the fuel tank. I have a seden BTW. So this way we didn't drill into the trunk. I'm running 0/1 gauge wires from the driver's side, there's plenty of space underneath the carpet/plastic door sills. Oh yeah, no ECU problems as far as I can tell. Fitting through the firewall was a bit tight, but everything went through. Make sure you run grounds back to the engine block and not simply ground on the chassis! Also, make sure you get a big fuse! Or, get the smallest dynabatt (I have their second smallest, so it doesn't fit under the seat), and fit it under the front passenger seat. Or, get rid of the spare and fit the batter in there. (where to put the spare? that's your problem ) But whatever you do, try keep the battery in the middle, not to either side for best weight distribution. p.s. 90% of the sealed dry cell batteries on the market are hawker energy rebadged (including dynabatt) with a higher price Last edited by NeoGeo; 08-13-2003 at 05:09 PM. |
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