Maryland Cherokee Club
CF Veteran
Joined: Dec 2011
Posts: 4,006
Likes: 1
From: Pasadena, MD
Year: 1987
Model: Wagoneer
Engine: Renix 4.0
CF Veteran
Joined: Nov 2011
Posts: 2,752
Likes: 0
From: Nashville
Year: 2001
Model: Cherokee
Engine: 4.0
Hoping someone with more car stereo know how can help me solve this.
I've got the system all connected. HU has rear left/right RCA which are run to a punch X 3 way crossover.

RCA are run into Input A and the selector switches are set for 1 in 3 out. The 3 out RCA are then fed to the corresponding inputs on the Amp.
The amps sub connection is this new style where it is ++ on one side and -- on the other. Currently the sub which is a SVC 4ohm is connected to ++ but I tried several other settings with no success.
So the problem is I'm only getting sound from the front and rear channel and not the sub. I haven't had much luck finding out config info online. Most say you need to change the sub setting on the HU but that isn't a option here. (i dont think)
pic of HU controls

Any advice would be much appreciated.
I've got the system all connected. HU has rear left/right RCA which are run to a punch X 3 way crossover.
RCA are run into Input A and the selector switches are set for 1 in 3 out. The 3 out RCA are then fed to the corresponding inputs on the Amp.
The amps sub connection is this new style where it is ++ on one side and -- on the other. Currently the sub which is a SVC 4ohm is connected to ++ but I tried several other settings with no success.
So the problem is I'm only getting sound from the front and rear channel and not the sub. I haven't had much luck finding out config info online. Most say you need to change the sub setting on the HU but that isn't a option here. (i dont think)
pic of HU controls

Any advice would be much appreciated.
Last edited by fritzthekatt; Jun 2, 2013 at 03:15 PM.
CF Veteran
Joined: Aug 2011
Posts: 4,323
Likes: 0
From: New Market
Year: 1998
Model: Cherokee
Engine: 4.0L I6
Hoping someone with more car stereo know how can help me solve this.
I've got the system all connected. HU has rear left/right RCA which are run to a punch X 3 way crossover.
RCA are run into Input A and the selector switches are set for 1 in 3 out. The 3 out RCA are then fed to the corresponding inputs on the Amp.
The amps sub connection is this new style where it is ++ on one side and -- on the other. Currently the sub which is a SVC 4ohm is connected to ++ but I tried several other settings with no success.
So the problem is I'm only getting sound from the front and rear channel and not the sub. I haven't had much luck finding out config info online. Most say you need to change the sub setting on the HU but that isn't a option here. (i dont think)
pic of HU controls
Any advice would be much appreciated.
I've got the system all connected. HU has rear left/right RCA which are run to a punch X 3 way crossover.
RCA are run into Input A and the selector switches are set for 1 in 3 out. The 3 out RCA are then fed to the corresponding inputs on the Amp.
The amps sub connection is this new style where it is ++ on one side and -- on the other. Currently the sub which is a SVC 4ohm is connected to ++ but I tried several other settings with no success.
So the problem is I'm only getting sound from the front and rear channel and not the sub. I haven't had much luck finding out config info online. Most say you need to change the sub setting on the HU but that isn't a option here. (i dont think)
pic of HU controls
Any advice would be much appreciated.
CF Veteran
Joined: Nov 2011
Posts: 2,752
Likes: 0
From: Nashville
Year: 2001
Model: Cherokee
Engine: 4.0
I told you I was going Vintage
I wired the sub +- first but no sound with that config a either. Even tried putting the sub on the B output, no luck there either.
::CF Moderator::


Joined: Sep 2009
Posts: 3,495
Likes: 482
From: Glen Burnie, MD
Year: 2001
Model: Cherokee (XJ)
Engine: 4.0l
CF Veteran
Joined: Sep 2011
Posts: 10,447
Likes: 0
From: Frederick, MD
Year: 1989
Model: Cherokee
Engine: 4.0
Originally Posted by Veeb0rg
90 amp stock, 136amp on the ZJ.
You will have to grind the mount bracket and a tiny bit on the timing cover.



I was going to say that there's his problem right there.