How much voltage?

[cj407]

why are you testing the preouts....are those what is entering your amp...no the rca connects the pre out to the amp...check the rca's when they are connected to the preout....not the preout itself.

 

[18lexusowner 10+ year member]

The pre-out is show 00.0 that's why I posted it.

Shouldn't the pre-out be showing voltage even without the RCA's connected?

 

[cj407]

idk i've never tested preouts...only the rca's at the amp.

 

[18lexusowner 10+ year member]

~Tested RCA's that go into the amp. Black on shroud, red on pin. //content.invisioncic.com/y282845/emoticons/verymad.gif.3f39c5c2fd57527b671fad3efdfac756.gif:verymad://content.invisioncic.com/y282845/emoticons/verymad.gif.3f39c5c2fd57527b671fad3efdfac756.gif:verymad://content.invisioncic.com/y282845/emoticons/verymad.gif.3f39c5c2fd57527b671fad3efdfac756.gif

 

[Walled_Taurus 10+ year member]

You said choice between 200 and 500 is that millavolts or volts? Cus if it is volts you wont be able to get a reading with that meter on ur rca's and you can check the preouts if its not powering there it sure is hell isnt going to at the end of the rca's.

 

[Walled_Taurus 10+ year member]

And is that sub rca? If it is make sure your subwoofer is turned on in the actual headunit.

 

[18lexusowner 10+ year member]

~Switched to a analog multimeter cause it goes down to 15v ac range instead of 200v.

-RCA's going to the amp.

-Preouts

so.......my Headunit is ****ed? //content.invisioncic.com/y282845/emoticons/verymad.gif.3f39c5c2fd57527b671fad3efdfac756.gif:verymad://content.invisioncic.com/y282845/emoticons/verymad.gif.3f39c5c2fd57527b671fad3efdfac756.gif:verymad:

 

[18lexusowner 10+ year member]

Help please.

wondering if i should order up a new HU

 

[Walled_Taurus 10+ year member]

Does your deck have an on of mode for sub woofer in the actual settings of the HU!

 

[18lexusowner 10+ year member]

yes!

and it's on. Bass is at +12 and subw lvl is at +6 (highests for testing)

 

[Walled_Taurus 10+ year member]

Check to see if your ground is zeroed for the deck. If you have it grounded through the car harness change it. Do your own ground.

 

[MakeshiftAudio 10+ year member]

Okay, is the head unit playing anything? //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif

 

[18lexusowner 10+ year member]

Check to see if your ground is zeroed for the deck. If you have it grounded the car harness change it. Do your own ground.

why? It has run fine for over a year and my music still plays. The RCA's are the only things effected.

My speakers are wired through the harness.

Okay, is the head unit playing anything? //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif

yes.

 

[MakeshiftAudio 10+ year member]

Not sure then. Since there is not a positive or negative voltage, it isn't biasing due to improper grounding etc. Do a resistance test with the head unit off between the RCA out and ground of the RCA. Is it shorted?

 

[18lexusowner 10+ year member]

Not sure then. Since there is not a positive or negative voltage, it isn't biasing due to improper grounding etc. Do a resistance test with the head unit off between the RCA out and ground of the RCA. Is it shorted?

Please explain that part more in depth.