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1992 Nissan 240SX Deck


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d-killa 
Member - Posts: 2
Member spacespace
Joined: June 27, 2006
Posted: June 30, 2006 at 6:15 PM / IP Logged  
Hey guys, this is my first post on 12v.com Its a very helpful and useful site but when i obtained the wiring diagram off the site for installing a 92 240sx headunit installation, it didn't work out so well. Basically i've been sitting on my driveway trying to get my deck to light up. I connected all of the speaker wires but whats giving me the most problem is the 12v, Ignition and the Ground. I am not using a wiring kit, just cutting, splicing and taping like I usually do. Whats bothering me most is that i dont know where to ground.. maybe this is what the problem is..I got my buddy to come down with his 240 and i saw his ground wire coming out of his deck and it wasn't connected to anything! So i said to my self how is his deck working with no Ground connected?..anyways im real bummed, if anyone could help me out since i've tried matching the wires the exact same as my friends deck but still no luck. P.s I do headunits all the time but i've never gotten so much stress like i did today, maybe because its a nissan? Any help or comments will be greatly appreciated.
Thanks,
integraLS 
Member - Posts: 8
Member spacespace
Joined: April 13, 2004
Location: United States
Posted: July 01, 2006 at 3:08 PM / IP Logged  
A lot of Nissans will ground themselves though the antenna.  If you have power/ignition.  Make sure it's plugged in and it should power up.  To ground it right find a metal surface and screw it in although not all metal is a ground under the dash of a car.....
d-killa 
Member - Posts: 2
Member spacespace
Joined: June 27, 2006
Posted: July 01, 2006 at 4:44 PM / IP Logged  
im still having problems.. so i ground the BLACK cable coming out of the deck onto a piece of metal.. and what do i do with the antenna wire?
forbidden 
Platinum - Posts: 5,353
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: November 01, 2003
Location: Alberta, Canada
Posted: July 01, 2006 at 5:16 PM / IP Logged  
Do not rely on the antenna to act as a ground for the radio. Do run a new wire from the deck to a solid peice of metal in the dash or under the dash if necessary.
Top Secret, I can tell you but then my wife will kill me.
Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: July 01, 2006 at 5:36 PM / IP Logged  

d-killa wrote:
.. and what do i do with the antenna wire?

Plug the antenna wire back into the deck and also ground the aftermarket deck to a solid grounding plane.

Note: Just because there's metal in the dash, doesn't automatically mean that this metal is a grounding plane. Some peices of metal in dashes are attached to plastic and are not grounded whatsoever.

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

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