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Old Apr 29, 2006 | 04:04 PM
  #1  
GR33N GoblinM6's Avatar
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Default 2 questions...

#1.. i want to add a sub w/amp to my factory head unit..(non-monsoon).. what do I need to do this?

#2.. where do I get those inline capacitors that take the bass out of the regular speakers?
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Old Apr 29, 2006 | 05:27 PM
  #2  
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From: Showing Italians the power of LS1
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#1- The best way of doing this is by spending a little more so it is plug-and-play, and can be returned back to stock with no cutting wires. Besides it's easier to install. Get these parts:

A-METRA 70-1858 GM 1988-UP INTO CAR HARNESS (21 PIN)

$10.00
http://www.partsexpress.com/pe/showd...number=265-606

B- NE-774V FOUR CHANNEL OEM TO AFTERMARKET STEREO ADAPTER

$35.00
http://www.autosound2000.com/adaptor_products.htm

C- METRA 71-1858 GM 1988-UP INTO OEM RADIO HARNESS (21 PIN)

$10.00
http://www.partsexpress.com/pe/pshow...TOKEN=67464991

Wire the stock (into radio) plug to the line output converter (left & right front, left & right rear) Then wire all leftover wires from the into-radio plug to the into-car plug. cap all unused wires with crimp caps, or some electrical tape. Zip-tie the bundle of wire and converter into a neat bundle, then plug in your RCA signal wires from your amps to the converter, and plug the other two ends from your bundle into the stock radio and the harness in the car. Remember to plug the antenna cable back into the stock radio before re-installing it.

#2- Those capacitors are used as simple 6dB/octave high-pass passive crossovers:



They keep the really low bass out of your mids/highs, preventing damage. Here's some reading info about passive crossovers.
Usually they can be found at your local stereo shop. If you don't have a local stereo shop, you may be able to find a suitable replacement at your local Radio Shack or electronics hobby store. Look for a Non-Polarized capacitor with a value of around 300 microfarads (MFD) Remember, it must be a non-polarized cap.

Last edited by Snootch; Apr 29, 2006 at 05:39 PM.
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Old May 2, 2006 | 01:29 PM
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GR33N GoblinM6's Avatar
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thats exactly what i needed.. thanks for taking the time to do that write up
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