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Discussion Starter #1
I am about to install my new alpine tweeters to replace the dashboard ones, how do I tell from the wires wich one is positive or negative?????

thanks
 

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you can use a multimeter and check voltage, make sure you have it on "REC" if that's possible, but the only difference is the phase and although you want the phase to be correct on all of the speakers if you have it opposite, it won't make a big difference. it's the same wave, just backwards.
 

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2003 Honda Accord

Code:

FUNCTION .... WIRE COLOR .... POLARITY .... LOCATION
12volts .... white .... + .... ignition harness
Starter .... black/white .... + .... ignition harness
Ignition .... black/yellow .... + .... ignition harness
Accessory .... black/red .... + .... ignition harness
Second Accessory .... white/red .... + .... ignition harness
Keysense .... red/white or red/black .... - .... ignition harness


Power Lock .... pink/black .... - .... grn plug, L side of fusebox
Power Unlock .... pink/blue .... - .... grn plug, L side of fusebox
**These wires will meter while using the passenger door lock switch.


Lock Motor .... yellow/black .... 5wi .... grn plug, front of fusebox
Unlock Motor .... yellow/green .... 5wi .... grn plug, front of fusebox
Disarm Defeat .... yellow .... 5wi .... large wht plug above fusebox


Parking Lights+ .... red/black .... + .... large wht plug above fusebox
Parking Lights- .... black/red or blue/red .... - .... in steering column cover


Hazards .... green/red .... + .... large wht plug above fusebox
Turn Signal(L) .... red/blue .... + .... large wht plug above fusebox
Turn Signal(R) .... brown .... + .... large wht plug above fusebox


Door Trigger .... green/red .... - .... grn 5 pin plug behind fusebox
Trunk/Hatch Pin .... blue/black .... - .... driver kick, harness to rear
Hood Pin .... yellow/red .... - .... hood pin switch in latch
Trunk/Hatch Release .... yellow/green .... + ..... driver kick, harness to rear


Factory Alarm Arm .... white/red .... - .... driver door module in door
Factory Alarm Disarm .... white .... - .... driver door module in door
Disarm No Unlock factory alarm disarm


Tachometer .... blue/red or blue .... AC .... ECM/PCM
**The ECM/PCM is on the front of the transmission tunnel.
**The connectors are on the passenger side.
**On the 4 cylinder models the tach wire is in the white 31 pin connector E, pin 25.
**On the 6 cylinder models it is in the gray connector A, pin 23.


Horn Trigger .... green/yellow .... - .... steering column
Speed Sense .... blue/white .... ECM/PCM
**The ECM/PCM is on the front of the transmission tunnel.
**The connectors are on the passenger side.
**On the 4 cylinder models the VSS wire is in the white 31 pin connector E, pin 26.
**On the 6 cylinder models it is in the gray connector A, pin 11


Wipers .... blue (L), yellow (H) .... - .... windshield wiper motor


LF Window up/dn .... red/black - red/yellow .... LF window switch in door
RF Window up/dn .... red/blue - red .... RF window switch in door
LR Window up/dn .... red/white - blue/black .... LR window switch in door
RR Window up/dn .... red/white - blue/black .... RR window switch in door


Sun Roof open/close .... green/yellow - green/black .... moonroof motor, rear of roof
**Only on the sedans.
**Coupes: the moonroof motor is integrated into the moonroof control unit not allowing
**access to the motor wires.


Radio 12v .... white/green .... + .... radio harness
Radio Ground .... black .... - .... radio harness
Radio Ignition .... yellow/red + .... radio harness
Radio Illumination .... red/black .... + .... radio harness
Power Antenna .... yellow/green .... + .... radio harness
LF Speaker +/- .... green/black - lt. green .... radio harness
RF Speaker +/- .... grn/yel - gray or gray/red .... radio harness
LR Speaker +/- .... blue/white - blue/black .... radio harness
RR Speaker +/- .... pink - blue/yellow .... radio harness
 

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If your speakers are out of phase then they will be working against each other. Not so much with tweeters, but with subs, 6x9's etc. One speaker is pulling air while the other is pushing air.
 

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Discussion Starter #5
2001 Pitboss said:
If your speakers are out of phase then they will be working against each other. Not so much with tweeters, but with subs, 6x9's etc. One speaker is pulling air while the other is pushing air.

so what happens if my 6x9's are out of phase for example.... do they sound differently?
 

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i doubt that it would make a huge difference with 6x9's. with stereo subs, it is more likely. out of phase speakers, placed next to each other, in theory, will cause noise cancellation.
 

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Your bass response will suffer.
 

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I suggest going out and spending the 7 bucks on a set of adaptors from bestbuy (or similar). That way your connections are dummy proof and there is no question which is which.
 

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they might sound different, depending on quite a few factors. basically it will cancel some of the sound out if only one of your speakers is out of phase, if both are the opposite phase it will be the same wave form, just backwards, but you can't tell a difference. I think the pushing air vs. pulling air is probably the best way to explain it.
 

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STang57 said:
how do you plan on accessing that tight corner?
brick meets windshield tactic?
drop kick your car?
saw dashboard?
rent-a-kid?
:goofy:
 
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