Jump to content
 
 

Sign in to follow this  
BigManAC

Alternator Whine issue *figured out* UPDATE pg.11

Recommended Posts

Alright SMD family I done just about all I can think of but maybe yall can see something that i'm overlooking. Here's the rundown and what I have tried. Basicly I am getting a low volume alternator whine, once the volume is turned up loud enough you can't hear the whine until the rpms get above 3k. This is what I have done so far:

1) Plugged an iPod directly into the amp - no whine

2) Plugged an iPod into the RCA's at the HU running to the amp - no whine

Those two test lead me to believe that it is not an amp grounding issue, so must be somewhere near the HU. My factory harness where the aftermarket one plugs into for the radio adapter was a hack job from the previous owner and when I would bump it the whine would get worse so I ran to the salvage yard and picked up a new one and now thats fine. However the whine is still there.

3) I ran a ground from the HU to the battery up front with 16g wire - whine is still there

Could it be the HU preouts are bad? Any advice is appreciated.

Edited by BigManAC

2001 Saturn L200
-Sony MEX-BT4100P
FRONT STAGE:
- (4) Crescendo PWX 6
- Cadence XA250.2
SUB STAGE:
-Fi Audio BL 15 (Sealed Off)
-Crescendo BC2k
ELECTRICAL:
- Singer 240A alt

- XS Power D3400
- SkyHigh OFC power/speaker wire
- Big 3 with SkyHigh 0gauge
Build Log: Click Here

Scores: 146.5db @ 29hz Outlaw

Share this post


Link to post
Share on other sites

have you tried grounding else where other than the battery

have you checked the pico fuse


skar sk2500.1
0 gauge power and ground kunukonceptz
alpine HU
vxi65 components on BA gt-275
new build log -> http://www.stevemeadedesigns.com/board/topic/150642-project-d-kon-deathcards-build-log/#entry2148821
2 x-15 sundowns

singer alt, odyssey bat, and maxwell ultra caps

Share this post


Link to post
Share on other sites

If it's a pioneer and you posted this I hope you step on a. Rusty nail

  • Like (+1 Rep) 3

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

Share this post


Link to post
Share on other sites

make sure everything is grounded at one point...amps, head unit etc. It is most convenient to run a ground wire from your amp(s)/rear battery to the front battery negative. This worked for me. I was in your same situation.

Share this post


Link to post
Share on other sites

make sure everything is grounded at one point...amps, head unit etc. It is most convenient to run a ground wire from your amp(s)/rear battery to the front battery negative. This worked for me. I was in your same situation.

cool...

my 22 grounding points to one point...

check..

Share this post


Link to post
Share on other sites

make sure everything is grounded at one point...amps, head unit etc. It is most convenient to run a ground wire from your amp(s)/rear battery to the front battery negative. This worked for me. I was in your same situation.

cool...

my 22 grounding points to one point...

check..

I didn't literally mean one point...I meant like ground everything in the front for instance instead of having some things grounded in the front and some in the back etc...

every car is different...but it worked on mine..no more noise

Edited by Taylor Cascio

Share this post


Link to post
Share on other sites

it worked t

make sure everything is grounded at one point...amps, head unit etc. It is most convenient to run a ground wire from your amp(s)/rear battery to the front battery negative. This worked for me. I was in your same situation.

cool...

my 22 grounding points to one point...

check..

I didn't literally mean one point...I meant like ground everything in the front for instance instead of having some things grounded in the front and some in the back etc...

every car is different...but it worked on mine..no more noise

I dont have alt whine..... :unknw:

so.. some in the front? and some in the back?..

got ya

Edited by Kyblack76

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this  

  • Recently Browsing   0 members

    No registered users viewing this page.

  • Who's Online   0 Members, 0 Anonymous, 117 Guests (See full list)

    There are no registered users currently online

×
×
  • Create New...