Will my stock electrical system be ok? - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Audio and Electronics Discuss car audio, video, navigation, alarms, and other electronics here.

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  #1  
Old 12-25-2012, 06:43 PM
noxious1 noxious1 is offline
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2008 Chevy TrailBlazer LT
Moondust Metallic 4.2L I6 4X4
Join Date: Dec 2012
Location: Southwest Va.
Posts: 5
Will my stock electrical system be ok?

I am in the process of installing my new audio system. Here is what I am doing.
Pioneer AVP1400DVD head unit
Pioneer GEX-P920XM XM satellite Radio Tuner
Polk DB-6501 6.5-inch 2-way component system 100 watts continuous 300 watts max
Polk DB-651 6.5 coxial speakers 55 watts continuous 165 watts max
Cerwin Vega 4 channel amp-Model: VEGA500.4
MAX Power: 250W x 4 @ 2Ω
RMS Power: 125W x 4 @ 2Ω
2-12" Rockford Fosgate P3D4 subs 500 watts continuous 1000 watts max
Cerwin Vega- Stroker 1000.1 amp
4 ohms: 400 watts x 1 chan.
2 ohms: 750 watts x 1 chan.
1 ohm: 1000 watts x 1 chan.

My question is will my stock electrical system be ok or am I going to have to look at upgrading it?
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  #2  
Old 12-26-2012, 12:07 PM
noxious1 noxious1 is offline
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2008 Chevy TrailBlazer LT
Moondust Metallic 4.2L I6 4X4
Join Date: Dec 2012
Location: Southwest Va.
Posts: 5
88 views and nobody can give me an answer???
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  #3  
Old 12-26-2012, 07:57 PM
Loverotties Loverotties is offline
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2002 Chevy TrailBlazer LTZ
Majestic Red Metallic 4.2L I6 4X4
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Location: N.Central N.J.
Posts: 2,606
Nope! you didn't say which alt yours has but either way,and you didn't write which way Cerwin Vega is going to be used but if I figure it at the lowest wattage it still would need over 283 amps if I figured it out right!
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  #4  
Old 12-27-2012, 02:14 PM
noxious1 noxious1 is offline
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2008 Chevy TrailBlazer LT
Moondust Metallic 4.2L I6 4X4
Join Date: Dec 2012
Location: Southwest Va.
Posts: 5
It has the stock alternator. I will be pushing close to 1000 watts total. I do not know very much about upgrading the electrical. Can I use separate batteries or a capacitor? Really do not want to attempt a dual alternator setup.
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  #5  
Old 12-27-2012, 02:52 PM
Loverotties Loverotties is offline
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2002 Chevy TrailBlazer LTZ
Majestic Red Metallic 4.2L I6 4X4
Join Date: Apr 2009
Location: N.Central N.J.
Posts: 2,606
Well you change the output and 1.000w is 83 amps. still don't know your alt is?but is probably half it's output.
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