Stereo WTF short? -
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Go Back > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Stereo WTF short?

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Unread 08-19-2013, 09:01 PM   #1
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1996 ZJ 
Join Date: Jun 2011
Location: Longbranch, WA
Posts: 52
Stereo WTF short?

So lately I've noticed my stereo (all stock) was making a weird buzzing noise. Not too weird with how old the stereo is but as of the last two days I've noticed it making some weird *** noises. The turn signal clicker (yes, the turn signal clicker sound) is now coming through the stereo, and there is a high pitch squealing noise coming through the speaker that directly relates to how high the rpms are at. I can hear it change when it shifts in/out of gear. I'm really REALLY confused and am half laughing at it because it's entertaining.

What could possibly cause this? Where could it short that would cause this to happen? And yes, it does go away when the stereo is turned off.

"2wd can really get you places you can't get out of without 4lo." - Ratmonkey

1996 Grand Cherokee Limited (ZJ) / 5.2L 318 V8 / Quadra-Trac
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Unread 08-19-2013, 09:17 PM   #2
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1996 ZJ 
Join Date: Jun 2013
Location: Philadelphia, PA
Posts: 284
Sounds like something a ground loop isolator might fix, but I don't know why that's happening or how you'd fix it. Maybe an aftermarket radio would take care of the problem. Sorry I can't be of more help, I'm dumbfounded.
1996 Grand Cherokee Limited 4.0L
PSC Steering Gear; NP249 w/ new VC; Moog TRE's, Track Bar, Stabilizer bar bushings and endlinks, control arm bushings
Still no lift, and almost no paint on the hood
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Unread 08-20-2013, 07:48 AM   #3
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1995 ZJ 
Join Date: Feb 2005
Location: New Mexico
Posts: 5,563
Possibly a bad alternator if not the head unit. Can you hear the turn signal with the motor off?
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Unread 08-20-2013, 07:49 PM   #4
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1997 ZJ 
Join Date: Sep 2011
Location: phoenix, arizona
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Alternator whine is typically associated with ground loops. Being as your stereo is completely stock, I'd say it's probably not that. More than likely it's a bad ground. Try making a new one.
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