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<blockquote data-quote="mrjoeyjiffy" data-source="post: 5130424" data-attributes="member: 586325">Ok, so recently I have started to have a problem with my head unit. It will sometimes show lower voltage than what my dash gauge reads, let me explain my setup first.190a alternator(however it puts out lower at idle which kinda sucks but not a huge deal)big 31/0 gauge wiring2nd yellow top batteryyou can see my subs/amp setup in my sig, anyhow my head unit is a pioneer premier model deh-780mp i usually keep it on the display that shows my voltage/rpms.usually the voltage it reads looks to be about .5v lower than what my dash says.but lately it will all of the sudden drop, like under 10v, then when i hit idle the head unit shuts off, nothing else in the vehicle(including the fans mounted on the amp/all stock electrical accessories, etc.) turn off or act any differently.I had some guys who were shady at best hook my stuff up and I&#039;ve been regretting it for a while. Anyhow, it seems as if my HU does not get enough power sometimes, could this be faulty wiring? or is something else entirely the problem? any help would be much appreciated.</blockquote>

[QUOTE="mrjoeyjiffy, post: 5130424, member: 586325"] Ok, so recently I have started to have a problem with my head unit. It will sometimes show lower voltage than what my dash gauge reads, let me explain my setup first. 190a alternator(however it puts out lower at idle which kinda sucks but not a huge deal) big 3 1/0 gauge wiring 2nd yellow top battery you can see my subs/amp setup in my sig, anyhow my head unit is a pioneer premier model deh-780mp i usually keep it on the display that shows my voltage/rpms. usually the voltage it reads looks to be about .5v lower than what my dash says. but lately it will all of the sudden drop, like under 10v, then when i hit idle the head unit shuts off, nothing else in the vehicle(including the fans mounted on the amp/all stock electrical accessories, etc.) turn off or act any differently. I had some guys who were shady at best hook my stuff up and I've been regretting it for a while. Anyhow, it seems as if my HU does not get enough power sometimes, could this be faulty wiring? or is something else entirely the problem? any help would be much appreciated. [/QUOTE]

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