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Old 02-25-2005, 02:35 PM   #1
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Default How to: Amplifier custom install

alright, if you remember my previous posts, i am interested in installing an amplifier in the trunk of my car. Only problem, the amps I have are too big to fit where I want to place them. Originally I was going to mount it to the back of the seat on the driver'* side but because of the gas tank hose, there is not enough room. The passenger side would have plenty of room but all of the Onstar equipment is there. So here I am trying to decide what to do. here are my options I think:
1. Remove Onstar components. (my subscription has run out. I just don't know if it'll affect other vehicle functions in a negative way.
2. Mount on driver'* side behind tail light with a custom 'wall'. I've seen other people do this but I have absolutely no idea how to do it. anybody have a 'how to' on how to install an amp on the side wall of the trunk like that?
3. any other ideas?

here are a few pictures of the locations I've talked about:



driverside with amp in question:


rear of trunk with amp and onstar components:


any ideas and help would be greatly appreciated. I'm not so great at fabricating stuff so I don't really know how to build that trunk wall whcih is why I wanted to just mount it on the back of the seats. If I can't figure it out, how much would it cost for some shop to do it? I don't even know of any places local that do that kind of work. :(
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Old 02-25-2005, 03:03 PM   #2
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why not mount it right under the rear deck?? you know like where the 6x9'* are. it would take up no space and it would go along with your stealth installation, and all the wires would be hidden out of sight
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Old 02-25-2005, 03:22 PM   #3
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That'* another good idea. I had thought of that but the rear deck has a really compound curve to it. I don't know if you can tell that or not from the following picture. any tips on installing there either? Obviously I'd ned some kind of long screw or something to screw into the deck between those squares. each of those squares is close to 1" in depth.

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Old 02-25-2005, 04:23 PM   #4
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http://www.oznium.com/gallery/photos...iac-bonneville


I never had a chance to "finish" mounting it correctly. L brackets were waiting for the weather to clear up.


But then I blew my subs so it is all out now.
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Old 02-25-2005, 04:24 PM   #5
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Quote:
Originally Posted by 1993 SLE
why not mount it right under the rear deck?? you know like where the 6x9'* are. it would take up no space and it would go along with your stealth installation, and all the wires would be hidden out of sight
This is what I would go for; my neighbor recently did it that way in his '04 Grand Prix and it worked great. I don't know about that waffleboard or whatever it is tho... Does that look like it can be removed? Or if you can you get above it somehow? If so you could install a small metal plate with a bolt attached, bring the bolts down through holes drilled in the waffleboard (that line up with the four corner of your amp), and in essence "hang" the amplifier from the rear deck. You could then use nuts or thumbscrews to tighten it up to the plastic waffleboard.
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Old 02-25-2005, 05:00 PM   #6
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Quote:
Originally Posted by scottydl
Quote:
Originally Posted by 1993 SLE
why not mount it right under the rear deck?? you know like where the 6x9'* are. it would take up no space and it would go along with your stealth installation, and all the wires would be hidden out of sight
This is what I would go for; my neighbor recently did it that way in his '04 Grand Prix and it worked great. I don't know about that waffleboard or whatever it is tho... Does that look like it can be removed? Or if you can you get above it somehow? If so you could install a small metal plate with a bolt attached, bring the bolts down through holes drilled in the waffleboard (that line up with the four corner of your amp), and in essence "hang" the amplifier from the rear deck. You could then use nuts or thumbscrews to tighten it up to the plastic waffleboard.
thats not a bad idea.... but u have to find a way to keep it from swinging around... some people are crazy are there!! but i like that hidden idea! i think ill try that!

hey where is a good place to get grey/trunk carpet cheap?!?! dont say junk yard! dont wanna drive that far!!
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Old 02-25-2005, 05:29 PM   #7
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Quote:
Originally Posted by 1993 SLE
why not mount it right under the rear deck?? you know like where the 6x9'* are. it would take up no space and it would go along with your stealth installation, and all the wires would be hidden out of sight
mount the amp upside down? are you serious? heat rises, how will the amp cool?
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Old 02-25-2005, 05:37 PM   #8
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Quote:
Originally Posted by ForeverSilent004
Quote:
Originally Posted by 1993 SLE
why not mount it right under the rear deck?? you know like where the 6x9'* are. it would take up no space and it would go along with your stealth installation, and all the wires would be hidden out of sight
mount the amp upside down? are you serious? heat rises, how will the amp cool?
well. i have seen many people do it this way, and the amps have been fine, most amps have there heastsink on the sides, and can be mounted anyway you desire
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Old 02-25-2005, 05:45 PM   #9
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Quote:
Originally Posted by 1993 SLE
Quote:
Originally Posted by ForeverSilent004
Quote:
Originally Posted by 1993 SLE
why not mount it right under the rear deck?? you know like where the 6x9'* are. it would take up no space and it would go along with your stealth installation, and all the wires would be hidden out of sight
mount the amp upside down? are you serious? heat rises, how will the amp cool?
well. i have seen many people do it this way, and the amps have been fine, most amps have there heastsink on the sides, and can be mounted anyway you desire
heatsinks on the side are purely for cosmetics. heat rises, it doesnt go side to side looking for heatsinks

an amp should be mounted either horizontally or vertically, or anywhere inbetween. not upside down.

the few that you have seen mounted upside down are probably low output amps. i know my mothers impala has a small stock amp mounted under the rear deck, but then again, it has heatsinks all over it

read the owners manual about mounting the amp, let us know what you find....
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Old 02-25-2005, 06:14 PM   #10
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Quote:
Originally Posted by ForeverSilent004
Quote:
Originally Posted by 1993 SLE
Quote:
Originally Posted by ForeverSilent004
Quote:
Originally Posted by 1993 SLE
why not mount it right under the rear deck?? you know like where the 6x9'* are. it would take up no space and it would go along with your stealth installation, and all the wires would be hidden out of sight
mount the amp upside down? are you serious? heat rises, how will the amp cool?
well. i have seen many people do it this way, and the amps have been fine, most amps have there heastsink on the sides, and can be mounted anyway you desire
heatsinks on the side are purely for cosmetics. heat rises, it doesnt go side to side looking for heatsinks

an amp should be mounted either horizontally or vertically, or anywhere inbetween. not upside down.

the few that you have seen mounted upside down are probably low output amps. i know my mothers impala has a small stock amp mounted under the rear deck, but then again, it has heatsinks all over it

read the owners manual about mounting the amp, let us know what you find....
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