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Old 07-29-2014   #291
Locobob
 
Join Date: Jan 2004
Location: Portland, OR
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Default Re: Locobob's Interior Mod Thread
Been reading up on alternator whine. Thinking of trying a new ground for the head unit, running it back to the storage bin where I just installed a really solid ground - this is where I would ground an aftermarket amp if I get one someday and from what I reading its best to ground all stereo components in the same location.
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Old 07-29-2014   #292
ZZZZZR1
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Default Re: Locobob's Interior Mod Thread
Robert,

First class engineering and wiring...

VERY IMPRESSIVE!



David
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Old 07-29-2014   #293
KILLSHOTS
 
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Originally Posted by Locobob View Post
Console layout


Most of the interior, missing the shift console since the upholstery shop screwed up my shift boot.
Wish my interior looked like that. That is beautiful, Robert!!
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Old 07-31-2014   #294
Locobob
 
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Default Re: Locobob's Interior Mod Thread
Still trying to get rid of the alternator whine. At times its very subtle and I can barely hear it, other times its quite loud. I think the volume of it may be related to electrical load, seems louder when the headlights are on. I tried changing the ground point for the stereo but that didn't help any.
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Old 07-31-2014   #295
secondchance
 
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Quote:
Originally Posted by Locobob View Post
Still trying to get rid of the alternator whine. At times its very subtle and I can barely hear it, other times its quite loud. I think the volume of it may be related to electrical load, seems louder when the headlights are on. I tried changing the ground point for the stereo but that didn't help any.
I will be wiring in the capacitor this weekend. The one I had on the alternator got lost during the engine pull, disassembly, reassembly and reinstall.
I'll take some pics and post. Capacitor trick works!
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Old 07-31-2014   #296
cvette98pacecar
 
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Default Re: Locobob's Interior Mod Thread
Quote:
Originally Posted by Locobob View Post
Still trying to get rid of the alternator whine. At times its very subtle and I can barely hear it, other times its quite loud. I think the volume of it may be related to electrical load, seems louder when the headlights are on. I tried changing the ground point for the stereo but that didn't help any.
Bob, When I did my head unit I had a horrific whine. I added two PAC SN1 Noise isolators and it resolved my issue.

http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
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Old 07-31-2014   #297
Locobob
 
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Originally Posted by secondchance View Post
I will be wiring in the capacitor this weekend. The one I had on the alternator got lost during the engine pull, disassembly, reassembly and reinstall.
I'll take some pics and post. Capacitor trick works!
Great I'd like to see that, are there any downsides to doing this?
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Old 07-31-2014   #298
Locobob
 
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Default Re: Locobob's Interior Mod Thread
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Originally Posted by cvette98pacecar View Post
Bob, When I did my head unit I had a horrific whine. I added two PAC SN1 Noise isolators and it resolved my issue.

http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
I've been considering a noise filter, did it hurt sound quality any?
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Old 07-31-2014   #299
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Great I'd like to see that, are there any downsides to doing this?
I had it on 79 L48, 91 ZR-1 and 94 ZR-1. No down side I ran into.
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Old 07-31-2014   #300
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Originally Posted by secondchance View Post
I had it on 79 L48, 91 ZR-1 and 94 ZR-1. No down side I ran into.
Sounds like a plenum pull though... unless I can plumb it in back where the alternator wire connects to the battery.
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