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1995 Dodge Ram Rear Speaker Replacement


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JMoney321 
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Member spacespace
Joined: June 01, 2003
Location: United States
Posted: June 01, 2003 at 1:33 PM / IP Logged  
I have a 1995 Dodge Ram with factory installed Infinity sound system in.  I bought some Pioneer TS-G1347 speakers to replace the rear ones (fuzz sound at just about any volume level).  I just removed panels and noticed that factory speakers are self amped (also about the same time expert at Crutchfield sent me an e-mail telling me this fact  -  he said I could replace out with standard speakers without amp).  I am just trying to get system sounding good again to sell truck after nearly 8 years and 170,000 miles.  Can I use these speakers?  If so, how do I hook up.  Wiring harness from HU has four leads to harness into amp.  Speakers themselves have four leads while new speakers have only 2.  I would hook up the amps to each new speaker if this is possible (how does this wiring go).  But just in case amps are bad would like to without.  It's been 10 years or so since I have screwed around with car stereos so I am a little green.  Side note:  Does the self amplification mean that Dodge uses a crappy Mopar radio with no power in its premium sound systems?
esmith69 
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Joined: November 26, 2002
Location: United States
Posted: June 01, 2003 at 5:24 PM / IP Logged  

The head unit is an infinity-made one I believe, and has some (but not much) self-amplification.  I'd say probably less than 5 watts RMS, but it does send out a high-level signal to the infinity amplifiers.  When i say "high level" I'm talking about a signal that's already amplified and thus is capable of powering a speaker by itself.  The infinity head unit's power output is probably about the same as that from the standard system.

That being said, it's theoretically possible for you to scrap the infinity amps and speakers, and replace with all aftermarket equipment and still have it powered by just the Infinity head unit.  You'd just want to make sure that when you hook up the aftermarket speakers you get the polarity correct.  Use a multimeter and test for voltage when the system is turned on:  positive voltage means the red test lead is touching the positive speaker wire, and negative voltage means the black test lead is touching the positive speaker wire.

As long as the front ones are still being amplified, I would think that they would be a lot louder than the aftermarket ones that you are planning on putting in the rear.  As long as both back speakers are the same and both fronts are the same, you can always adjust the fader towards the rear a bit to balance out the volume.

I don't really know what it would sound like if you were to try and use the front infinity speakers without their built in amps, because I don't know what their impedence is.  If they're like bose speakers then they'd have too little resistance and could possibly damage the infinity head unit if you try to power them just using that.  This is why I said you're best off replacing all the speakers/amps with just aftermarkets.

Before you start messing with the fronts though I'd determine the two speaker wires for each back speaker, and hook up the aftermarket speakers to the wires that lead straight to the head unit, and see what it sounds like.

Ethan
-----
"Patience, persistence, and perspiration make an unbeatable combination for success"
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