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12v constant?

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chevy metal 
Member - Posts: 17
Member spacespace
Joined: June 04, 2009
Location: Michigan, United States
Posted: June 27, 2009 at 1:22 PM / IP Logged  

i have a 2002 monte carlo, i'm bypassing the entire stock system, i've got ground and switched 12v hooked up... where is an appropriate place to get a constant 12v?

te2day 
Member - Posts: 7
Member spacespace
Joined: April 24, 2005
Location: United States
Posted: June 27, 2009 at 1:50 PM / IP Logged  

Battery or red at the ignition harness

ianarian 
Copper - Posts: 516
Copper spacespace
Joined: April 24, 2009
Location: California, United States
Posted: June 28, 2009 at 3:36 AM / IP Logged  
If your talking aftr mrkt deck going in the dash somewhere, run a fused 10 guage from the battery to a distribution block behind stereo.
This is what I do for FUN!
chevy metal 
Member - Posts: 17
Member spacespace
Joined: June 04, 2009
Location: Michigan, United States
Posted: June 28, 2009 at 11:33 AM / IP Logged  

i need a ten amp right?

chevy metal 
Member - Posts: 17
Member spacespace
Joined: June 04, 2009
Location: Michigan, United States
Posted: June 28, 2009 at 12:52 PM / IP Logged  
and, i've got two red wires at the ignition, does it matter which one it is?
te2day 
Member - Posts: 7
Member spacespace
Joined: April 24, 2005
Location: United States
Posted: June 28, 2009 at 1:06 PM / IP Logged  

Test the wires to make sure it is a constant 12 volt source. Use a multi meter

ianarian 
Copper - Posts: 516
Copper spacespace
Joined: April 24, 2009
Location: California, United States
Posted: June 28, 2009 at 2:21 PM / IP Logged  
Still assuming your powering a after market deck....if you intend to use the speaker outputs, the 10ga is a good idea. You can fuse it around 40a (within 18" of battery) and then have a decent power source for any future needs. Bypass the stock system like your saying. Then there's less risk of possibly damaging the vehicles electrical system in the event of a short circuit. Adding current to a unknown line over time can result in problems too.
This is what I do for FUN!

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