NoVa_Spec.B Posted December 7, 2017 Share Posted December 7, 2017 Hi All, I recently bought a 2006 Spec. B, the PO said there was a short in the radio. Is the radio the problem or is there something else on the circuit that's known to fail? I don't want to swap out the radio and find out the problem is something else. If I don't pull the Audio/Navi fuse, pic attached, the battery drains over night. The ventilation system is on the circuit too, the fan doesn't work when the fuse is out. Thank you for your assistance Link to comment Share on other sites More sharing options...
08SpecB_DE Posted December 7, 2017 Share Posted December 7, 2017 Try unplugging the radio and see if your draw drops to an acceptable mA range (50 or below). You've done a good job so far, but now you have to go a step further. Unfortunately, you have to plunge into the depths of draw hell. Does that fuse only power the radio/nav and hvac? Is there any type of aftermarket electronic on the car? Link to comment Share on other sites More sharing options...
Holla Posted December 7, 2017 Share Posted December 7, 2017 Its not a common issue for something in the oem stereo/hvac to drain the battery. You need to try and isolate the components. It’s pretty straight forward to remove the stereo/hvac. Try unplugging either the stereo or hvac and see if they are causing the drain. A used oem stereo/hvac goes for pretty cheap here on the forums if you need to replace it. Link to comment Share on other sites More sharing options...
NoVa_Spec.B Posted December 9, 2017 Author Share Posted December 9, 2017 Hi, Thank you for both of your fast replies. As far as I can tell, everything is stock except for a boost gauge. I'll test the radio first, hopefully the PO was right. Thanks again, I'll get back to you when I get the radio out. Link to comment Share on other sites More sharing options...
JMLegacy Posted June 22, 2018 Share Posted June 22, 2018 Did you find the problem? Link to comment Share on other sites More sharing options...
NoVa_Spec.B Posted July 1, 2018 Author Share Posted July 1, 2018 Hi JM, Not yet, It's isolated to the big white plug. I'm looking for a schematic of the plugs connections to dig further. The bad part is the A/C system and radio are tied together as mentioned. Do you have a similar problem? Link to comment Share on other sites More sharing options...
JMLegacy Posted July 2, 2018 Share Posted July 2, 2018 Thought i did. The radio draws a lot of power when the battery is first connected. After a couple minutes it no longer. The CD changer is rotating and stuff, i don't know if that's your problem. Link to comment Share on other sites More sharing options...
amptramp Posted July 2, 2018 Share Posted July 2, 2018 Has anyone added an alarm to the car? I took a Clifford Intelliguard 8000 out of my other car because it would draw 640 mA intermittently. I used the instructions at: http://www.the12volt.com a site with wiring diagrams for radios and alarm systems to make sure I knew what I was doing. Link to comment Share on other sites More sharing options...
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