stereo 1992 nissan pathfinder

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Zilverado

Copper - Posts: 92

Joined: October 03, 2004

Posted: April 08, 2007 at 2:05 PM / IP Logged

Looking for some info for a stereo install in our 1992 Nissan Pathfinder. It still has the factory set-up (with cassette player). Looking to install a Sony or Pioneer CD/MP3 player. Not anything huge, just around 50W/speaker (200W total).

It appears from the wiring diagrams of the Pathty, that I have amplifiers in the factory system. I have had it suggested to me that I may need to bypass these. I think they are installed in the rear of the vehicle, in the side panels of the cargo area, but I have never looked for them. The "vehicle information" on this forum gives speaker wire colour information, but does not address amplifier wires.

I have no idea what wattage these amps would be or anything about the factory speaker wattage either. I am not a loud music guy, by any means, but at the same time, I do not want to damage anything.

So, do I need to diable these amps?

Zilverado,

Backyard Mechanic

1986 Chevy Truck & 1992 Nissan Pathfinder

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KarTuneMan

Platinum - Posts: 7,056

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Joined: December 14, 2004

Location: Isle Of Man

Posted: April 09, 2007 at 11:07 AM / IP Logged

The factory amp "should be" behind the radio?"

+12V DC Battery(Constant)	RED / green		T	10 amp	Fuse block
Switched Accessory	GREEN / WHITE	Fuse for the wagon: 10 A. for the truck: 15 A	F	10/15 amp	Fuse block
Illumination	Pink/blue	Also pink/black
Left Front +	Brown	Or BLACK / YELLOW; goes to the left front speaker.
Left Front -	BROWN / white	Or light green; goes to the left front speaker.
Right Front +	Black	Goes to the right front speaker.
Right Front -	BLACK/ white	Goes to the right front speaker.
Left Rear +	BLACK/ red	To the amplifier, or (in the truck) green going directly to the speaker.
Left Rear -	BROWN / white	To the amplifier, or GREEN/ black going directly to the speaker.
Right Rear +	Black	To the amplifier, or gray going directly to the speaker.
Right Rear -	BLACK/ white	To the amplifier, or gray/red going directly to the speaker.

stereo 1992 nissan pathfinder -- posted image.

AMPLIFIER OUTPUTS

Wire Function	Color	Note	Fuse #	Size	Location
12V DC Battery	GREEN / WHITE	Hot in accessory or run	F	10 amp	Fuse block
Left Rear Mid +	Green
Left Rear Mid -	GREEN/ black
Right Rear Mid +	Gray
Right Rear Mid -	Gray/red

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Zilverado

Copper - Posts: 92

Joined: October 03, 2004

Posted: April 09, 2007 at 4:16 PM / IP Logged

Thanks for the info TuneMan. Based on this, it looks like I should be able to wire the fornt speakers direct. But for the rear, I'd have to tie-in behind the amp in order to avoid too much power going to the rear speakers. Or I could run entirely new wires...

Zilverado,

Backyard Mechanic

1986 Chevy Truck & 1992 Nissan Pathfinder

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stereo 1992 nissan pathfinder

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