Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Audio & Video (http://www.the370z.com/audio-video/)
-   -   Found these mysterious wires in my Z (http://www.the370z.com/audio-video/99804-found-these-mysterious-wires-my-z.html)

SouthArk370Z 01-12-2015 08:49 PM
A wire gauge chart (search for "AWG chart") will tell you diameter of wire, gauge, ampacity, &c (make sure you look for the number of strands in your wire as that will affect measured diameter). A dial caliper or micrometer will tell you what you have.

Edit: Some electricians/audio-installers can give you a close estimate by eyeballing it.

Edit 2: There is a power distribution block on the front left side of the battery. It may make a better place to attach the power wire than the battery terminal. Oops. Looked at the pics again and you are using the block. Doh!

Vaibe 01-12-2015 09:59 PM
Quote:
Originally Posted by SouthArk370Z (Post 3079716)
A wire gauge chart (search for "AWG chart") will tell you diameter of wire, gauge, ampacity, &c (make sure you look for the number of strands in your wire as that will affect measured diameter). A dial caliper or micrometer will tell you what you have.

Edit: Some electricians/audio-installers can give you a close estimate by eyeballing it.

Edit 2: There is a power distribution block on the front left side of the battery. It may make a better place to attach the power wire than the battery terminal. Oops. Looked at the pics again and you are using the block. Doh!
So do I need the fuse inline thing?

Also, another question about the first wires (http://i.imgur.com/uEvPU0P.jpg)

Seems like those are coming from my center console, which I think means that they're connected to the Pioneer HU or they're coming from the aftermarket Polk components that are installed in the doors. Would those hook up to an amp as well? Would the four wires be for tweeters and two components? Makes sense to me.. haha

SouthArk370Z 01-12-2015 11:16 PM
It will work without a fuse but it won't be safe. Put the fuse as close to the battery as possible.

Without knowing more about what goes where, all I can tell you are some generalities:
Zip-cord, is usually used for speaker wires; sometimes for high-level connection between HU and amp. Single conductor wires are usually power (big wire) or on/off signal (small wire).

Vaibe 01-12-2015 11:36 PM
Quote:
Originally Posted by SouthArk370Z (Post 3079797)
It will work without a fuse but it won't be safe. Put the fuse as close to the battery as possible.

Without knowing more about what goes where, all I can tell you are some generalities:
Zip-cord, is usually used for speaker wires; sometimes for high-level connection between HU and amp. Single conductor wires are usually power (big wire) or on/off signal (small wire).
I think there may be an inline fuse, I'll double check again. There's definitely this clear plastic thing from the blue power cable in the hood of the car before it gets routed into the car. I wasn't sure what it was but it may be a fuse.

I guess when I get time I'll open up the car a little and see where all the cables are running to. Thanks for the help so far! :)

JC-Nismo 01-13-2015 01:53 AM
Does it look like this? I put mine on the screw and just tightened it up, Simple.
http://i222.photobucket.com/albums/d...05CD5C4480.jpg

Vaibe 01-13-2015 12:17 PM
Quote:
Originally Posted by JC-Nismo (Post 3079829)
Does it look like this? I put mine on the screw and just tightened it up, Simple.

http://i222.photobucket.com/albums/d...05CD5C4480.jpg
No, mine looks like this:

http://i.imgur.com/A2VikgY.jpg

Looks like a fuse, the wire is connected to both sides of it. I can't pull it out any further as it's pretty tight in there right now without me opening anything up.

Edit: When comparing them again, they look really similar. Just different colors and locations.

SouthArk370Z 01-13-2015 01:30 PM
That frame over the battery is pretty easy to remove. Take out the rivets and then pry the rubber gasket up and off the frame. Pull the frame up and wiggle it out from under the windshield. See some of the "pull the SLU fuse" threads for details and pics.

JC-Nismo 01-13-2015 02:45 PM
Yep thats the fuse, but why the hell anyone would stuff it back there so tight is unknown to me cause if it pops and you have to change it, then what. A song and dance just to get it out, but it seems like all your wiring is in place, you should be a happy camper, plug and play from here.

RonRizz 01-13-2015 04:12 PM
First thing you wanna do is remove the fuse from that holder before something not so nice happens.....

RonRizz 01-13-2015 04:16 PM
Quote:
Originally Posted by Vaibe (Post 3079757)
So do I need the fuse inline thing?

Also, another question about the first wires (http://i.imgur.com/uEvPU0P.jpg)

Seems like those are coming from my center console, which I think means that they're connected to the Pioneer HU or they're coming from the aftermarket Polk components that are installed in the doors. Would those hook up to an amp as well? Would the four wires be for tweeters and two components? Makes sense to me.. haha
Looks to me like the silver colored wires are rca cables...Is there a center conductor in there? and the 2 speaker wires would have been from an amp to your kickpanels, where you are likely to find the crossovers for the polk woofers and tweeters. The wires would split into 4 sets from there. The last single wire would have been your turn on lead

Vaibe 01-13-2015 04:18 PM
Quote:
Originally Posted by RonRizz (Post 3080466)
First thing you wanna do is remove the fuse from that holder before something not so nice happens.....

To the best of my knowledge, it's been this way for about three years now. Kind of sketchy...


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Vaibe 01-13-2015 04:19 PM
Quote:
Originally Posted by JC-Nismo (Post 3080369)
Yep thats the fuse, but why the hell anyone would stuff it back there so tight is unknown to me cause if it pops and you have to change it, then what. A song and dance just to get it out, but it seems like all your wiring is in place, you should be a happy camper, plug and play from here.

Seems like a lot of problems can arise from this as it is. I think from here the best way for me to go is to just get a new wiring kit. Do you have any recommendations?


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SouthArk370Z 01-13-2015 04:36 PM
Quote:
Originally Posted by Vaibe (Post 3080471)
Seems like a lot of problems can arise from this as it is. I think from here the best way for me to go is to just get a new wiring kit. Do you have any recommendations?
The only problem there could be is worn insulation. If the insulation is in good shape, there is no need to replace the wires. It's a PITA to pull wires in the Z (and most other cars).

If you have enough slack on the cabin end of the power wire, pull it back into the battery compartment enough that you have access to the fuse holder. As has been mentioned, you really ought to remove the fuse while working on the wiring.

Vaibe 01-13-2015 05:30 PM
Quote:
Originally Posted by SouthArk370Z (Post 3080483)
The only problem there could be is worn insulation. If the insulation is in good shape, there is no need to replace the wires. It's a PITA to pull wires in the Z (and most other cars).



If you have enough slack on the cabin end of the power wire, pull it back into the battery compartment enough that you have access to the fuse holder. As has been mentioned, you really ought to remove the fuse while working on the wiring.

Looks like I'll try it out. I definitely have enough wire to mount an amp under my seat or something, then I can just get RCA wires (or can I buy the ends to the ones I have?) And a new ground wire for the amp.

I'll remember to pull the fuse. I don't know how to yet but I'm sure I'll figure it out. Now I just need to figure out what my power wire can handle


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SouthArk370Z 01-13-2015 05:56 PM
Quote:
Originally Posted by Vaibe (Post 3080510)
Looks like I'll try it out. I definitely have enough wire to mount an amp under my seat or something, then I can just get RCA wires (or can I buy the ends to the ones I have?) And a new ground wire for the amp.
You can buy RCA connectors.


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