topheryoyo911 Posted January 31, 2012 Report Share Posted January 31, 2012 im just wondering if there is any way to keep your head unit on and playing music while you start your car? Link to comment Share on other sites More sharing options...
the1uwannab Posted February 15, 2012 Report Share Posted February 15, 2012 You can wire the acc 12v which is the red wire to a true ignition depending on the vehicle you may have enough amperage or not let me know what vehicle and ill tell you what wire to test for.. A true ignition is an acc 12v that is still on durring crank. Link to comment Share on other sites More sharing options...
joh17 Posted February 15, 2012 Report Share Posted February 15, 2012 Sounds possible. Link to comment Share on other sites More sharing options...
Guest Posted February 15, 2012 Report Share Posted February 15, 2012 voltage drops like crazy when you start your car (unless you have a bunch of batteries). i dont think the headunit/amps will like 9-10v Link to comment Share on other sites More sharing options...
varietyguy Posted February 15, 2012 Report Share Posted February 15, 2012 voltage drops like crazy when you start your car (unless you have a bunch of batteries). i dont think the headunit/amps will like 9-10v X2 It can be done by using a toggle with the acc line attached straight to the battery, but you should have more than 1 battery if you do this cause you do draw a lot of power. 1992 Mazda 323 http://www.stevemead...323-wall-build/ Link to comment Share on other sites More sharing options...
Jaloosk Posted February 15, 2012 Report Share Posted February 15, 2012 My GMC Savana does this, and I only have the under-hood battery. 6.0L engine too. Radio doesn't care, either. "Cheap, good or fast. You can only pick two out of three." "Have money? Love story! No money? I'm sorry." Link to comment Share on other sites More sharing options...
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