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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 03-29-2002, 10:02 PM   #1
Drift Style S14
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Hey guys i am redoing my entire sound system i changed all the speakers and proceeded to install my new deck. the problem is that the deck won;t play send anything to the speakers because of the stock amp that comes with our 240's. how do i bypass the stock amp? could  anything else be the problem? please help!
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Old 03-29-2002, 10:08 PM   #2
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Well I am not one for cutting wires so What I would do Is look under the rear deck between the speakers and unplug the amp. Then I would get the wire Splicers I can't remember the name of them but they are red and snap on the wire. Well get an extension wire you can cut into 4 Pc. and put them in the extension end of the splice and connect straight to the speaker. It Will work for now until you can get a real amp.
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Old 03-30-2002, 02:13 PM   #3
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There really should be no reason to blame the amp for no sound...You should double check your wiring to the head unit. &nbsp;If you are 100% sure your wiring is correct then bypass the amps...I've posted this a million times but here is a guide to help in the bypass. &nbsp;(my stock amps were cutting in and out and acting funny...so i bypassed and it works great now)

1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Blue &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;left front speaker neg. input

2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Black &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;right front speaker pos. input

3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Blue/yellow &nbsp; &nbsp; left front speaker neg. output

4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Brown/white &nbsp; right front speaker neg. output

5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Brown &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; right front speaker pos. output

6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Pink &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;left front speaker pos. input

7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;White &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;right front speaker neg. input

8 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Blue/white &nbsp; &nbsp; &nbsp;left front speaker pos. output

9 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Blue &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;acc.

10 &nbsp; &nbsp; &nbsp; &nbsp;Green/red &nbsp; &nbsp; &nbsp; on/off

11 &nbsp; &nbsp; &nbsp; &nbsp;Purple &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; left rear speaker neg. input

12 &nbsp; &nbsp; &nbsp; &nbsp;Pink &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;right rear speaker neg. input

13 &nbsp; &nbsp; &nbsp; &nbsp;Green &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; left rear speaker neg. output

14 &nbsp; &nbsp; &nbsp; &nbsp;Pink &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;right rear speaker neg. output

15 &nbsp; &nbsp; &nbsp; &nbsp;Blue &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;right rear speaker pos. output

16 &nbsp; &nbsp; &nbsp; &nbsp;Green &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; left rear speaker pos. input

17 &nbsp; &nbsp; &nbsp; &nbsp;Blue &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;right rear speaker pos. input

18 &nbsp; &nbsp; &nbsp; &nbsp;Red &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; left rear speaker pos. output

19 &nbsp; &nbsp; &nbsp; &nbsp;Blue &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;acc

20 &nbsp; &nbsp; &nbsp; &nbsp;Green/red &nbsp; &nbsp; &nbsp; on/off



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Old 03-31-2002, 11:08 PM   #4
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well,, u do need to blame the amps if your deck is ampin the signal as well... a signal amped twice = naasty... (i think anyway.... it sure didn't work on my car till i redid ALL my wiring and got a real amp)
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Old 04-01-2002, 12:17 AM   #5
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An aftermarket deck played through my factory amps to aftermarket speakers. It sounded like ass on a warm summer day, but it played nonetheless.
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