Jeep Grand Cherokee Infinity Gold Amp

 

Bronze Member
Username: Gibson5469

Post Number: 20
Registered: Jul-05
Hey everyone,

I just pulled a working infinity gold system from a grand cherokee at the bone yard. I have all the wires labeled on the two harnesses but I am confused as to why there are two Pos, and two Neg wires. Do they both get connected to a pos and neg battery connection. I have also read that one negative must be connected to the head units negative wire. Which negative wire should I use, since there are two. This is a four channel amp, not the six. Model # 56007499 I think the jeep was 1996.
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 10608
Registered: Dec-03
ground is ground.
there are two grounds and power lines because the amplifier is a 4 channel, 2 ohm amplifier.
a 4 channel amp is basically two stereo amps in one case.
many of them use isolated power supplies and twin pwr and gnd lines.
 

Bronze Member
Username: Gibson5469

Post Number: 21
Registered: Jul-05
Alright, so which ground wire do I hook up to the new deck's ground? Because from what I have read the amp won't turn on unless both the remote turn on wire and one of the grounds is connected to the amps ground. This could be wrong but there was a wire hooked up to the back of the factory deck that came from the amp. It wasn't a speaker wire, or remote turn on.
 

Silver Member
Username: Xkawn

Post Number: 164
Registered: Jul-05
your probably talking about the two negative speaker wires and two positive speaker wires. you should only have one positive power wire and one negative power wire.

from the deck to the amp you have your speaker wires or rca jacks and your remote turn on. no ground or power wires.
 

Bronze Member
Username: Gibson5469

Post Number: 22
Registered: Jul-05
I got the wiring diagram from a post on www.automotivehelper.com
ok here it is.
Left body Harness Conector (14 Pin):
From LEFT to RIGHT. TOP to BOTTOM
#1 - Left Rear Speaker (+)
#2 - Battery Feed
#3 - Left Front Speaker (+)
#4 - Not Used
#5 - Left Rear From Radio (+)
#6 - Left Front from radio (+)
#7 - Left Rear Speaker (-)
#8 - Battery Feed
#9 - Left Front speaker (-)
#10 - Ground
#11 - Ground
#12 - Not Used
#13 - Left Rear from radio (-)
#14 - Left Front from radio (-)

Right Body Harness (10 Pin):
From LEFT to RIGHT, TOP to BOTTOM.
#1 - Right front speaker (+)
#2 - Right front speaker (-)
#3 - Right rear speaker (+)
#4 - Right front from radio (+)
#5 - Right rear from radio (-)
#6 - Right rear from radio (+)
#7 - Not Used
#8 - Radio switched signal feed
#9 - Right rear speaker (-)
#10 - Right front from radio (-)

and during a quick look over of the install instructions for GC's on www.installdr.com it says

If your original radio had a plastic connector containing a single wire plugged into the rear of the radio.
If your original radio or speaker grills were labeled or marked with 'INFINITY'
Crimp a male tab spade to the new radios
ground wire. Slide it into the female tab spade
connector that had originally snapped into the
rear of the factory radio.
TIP:
Crimp a male tab spade to the new radios
ground wire. Slide it into the female tab spade
connector that had originally snapped into the
rear of the factory radio to activate the 'Infinity'
sound system.
 

Bronze Member
Username: Gibson5469

Post Number: 23
Registered: Jul-05
XKawn, I meant from what I have read the amp wont turn on unless one of the grounds is connected to the decks ground. I have tested and labeled all the wires going to the amp and there is an extra wire that was not in a harness, just plugged in to the back of the deck. I am positive it was not a speaker wire.
 

Bronze Member
Username: Gibson5469

Post Number: 25
Registered: Jul-05
I only ask about the wiring because it is not going to be plugged back into a jeep, im going to use it to run my cars stereo, a 95 jetta. So I need to know what wires I need to run and to where.
 

Bronze Member
Username: Gibson5469

Post Number: 30
Registered: Jul-05
no one knows?
 

Gold Member
Username: Illuminator

USA

Post Number: 1906
Registered: Apr-05
I think the diagram you found should be what you're looking for...that amp won't do well in comparison to an aftermarket amp...it might not be worth it.

 

Bronze Member
Username: Gibson5469

Post Number: 31
Registered: Jul-05
Well like I said I have the wires labeled on the harnesses, I just need to know which negative wire needs to be connected to the decks negative power wire, not a speaker wire.
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