Speaker Locations?
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Joined: Mar 2012
Posts: 76
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From: Gervais, OR
Car: 88' IROC Z.
Engine: 305 TBI.
Transmission: T-5 5 Speed manual.
Axle/Gears: Stock 3.08's I suspect.
Speaker Locations?
Sorry if this seems like a dumb question, but i cant seem to find the speakers in my 88 IROC. It has an ERS (Enhanced Range Sound System) badge inside, but i couldn't find any speakers. I may be looking to upgrade the sound system further, but i can't replace what i can't find. Can anybody tell me where the speakers are and if at all possible, what size they are. All info is appriciated. Thanks in advanced!
Joined: Mar 2009
Posts: 218
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From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Re: Speaker Locations?
In the dash under the windshield, in the back "sail panels" beside the back seats. All else fails, turn the radio on and listen for the noise 
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Joined: Jan 2012
Posts: 281
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Re: Speaker Locations?
The rears are 6X9, like that guy ^ said, under the sail panels either side of the back seats. Take the screws out of the hanger hooks, and lift the sail panels up and out.
The fronts are under the dash cap. 4X6. Good luck finding decent replacements.
Joined: Nov 2010
Posts: 5,892
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From: Mantua NJ
Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: Speaker Locations?
The original speakers are still available from GM Parts Cheap.com,GM Parts Direct and your GM Dealers,I suggest you get them from the .coms they are a whole lot cheaper.Front 4x6s p/n 16033662 $34.37 ea.,Rear 6x9s p/n 16034422 $21.91 ea.
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