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Old Dec 4, 2013 | 09:18 PM
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  #37726  
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askingxforxit
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From: Long Beach, Ca
Year: 2000
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Originally Posted by sycoglitch

Hmmm, i forgot what made California cats different. I thought cali emissions vehicles had 4 o2 sensors??? I can't remember now.
Yes there are 4 O2 sensors. Stupid California emissions laws. I wish I lived in Arizona or Utah lol
Old Dec 4, 2013 | 09:28 PM
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Year: 1991
Model: Cherokee
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Originally Posted by sycoglitch
What year did you say you have.
91 4.0 HO, as in my sig
Old Dec 4, 2013 | 10:06 PM
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salad
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From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
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Originally Posted by askingxforxit
Where can I find some California legal replacement pre cats for my '00 xj ??? Can't seem to find a decent price. Bank two keeps throwing a catalyst efficiency code.
Walker p/n 81850, $500 a piece.

Are your O2 sensors and the wiring in good shape?
Old Dec 4, 2013 | 10:09 PM
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Originally Posted by salad

Walker p/n 81850, $500 a piece.

Are your O2 sensors and the wiring in good shape?
Yeah sensors and wires are good. I had issues earlier in the year with bad fuel injector and I think that's what took out the cats. Sensors and bad injectors have been replaced.

Seems kind of steep for a couple of tiny cats.
Old Dec 4, 2013 | 10:26 PM
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salad
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Year: 1999
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Yeah. Like nobody replaces them. In the interest of saving $1000 I'd try to clean those suckers, or check a junkyard.
Old Dec 4, 2013 | 10:29 PM
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Originally Posted by salad
Yeah. Like nobody replaces them. In the interest of saving $1000 I'd try to clean those suckers, or check a junkyard.
I might just try to clean them. Sadly, jy won't sell cats, it's a federal law or something. Oh and while I'm in there I can put in a set of banks headers!!! FTW lol
Old Dec 4, 2013 | 10:42 PM
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NewKindOfClown
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From: Frederick, MD from Cleveland, OH
Year: 1993 YJ Wrangler
Engine: 4.0 I6
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Originally Posted by askingxforxit
I might just try to clean them. Sadly, jy won't sell cats, it's a federal law or something. Oh and while I'm in there I can put in a set of banks headers!!! FTW lol
Just curious... How many headers do you plan to install on your I6?
Old Dec 4, 2013 | 10:49 PM
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Originally Posted by NewKindOfClown
Just curious... How many headers do you plan to install on your I6?
All of them!! Haha
Old Dec 5, 2013 | 06:40 AM
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From: Mercer County, NJ
Year: 2001
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Engine: 4.0L I6 HO
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Originally Posted by bakas
91 4.0 HO, as in my sig
smartass, droid don't show sigs
Old Dec 5, 2013 | 06:44 AM
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question for the electrical buffs here. I want to install a DT switch for the existing reverse lights to be used for back area lighting at night but cant find a wiring diagram for it. It would be so one way turns them on even if not in reverse and then switch it to the other side for normal function.


DISCLAIMER: For the annoying people that will try to flame, this is not to blind tailgators even know they deserve it, so please don't tell me state law, and blah blah blah. thankyou.
Old Dec 5, 2013 | 07:27 AM
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ccooper1234
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From: South Mills, NC
Year: 1998
Model: Cherokee
Engine: Rebuilt 4.0L I6
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Originally Posted by sycoglitch
question for the electrical buffs here. I want to install a DT switch for the existing reverse lights to be used for back area lighting at night but cant find a wiring diagram for it. It would be so one way turns them on even if not in reverse and then switch it to the other side for normal function.

DISCLAIMER: For the annoying people that will try to flame, this is not to blind tailgators even know they deserve it, so please don't tell me state law, and blah blah blah. thankyou.
X2 I have also been wondering how do do this.
Last edited by ccooper1234; Dec 5, 2013 at 07:35 AM.
Old Dec 5, 2013 | 08:24 AM
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From: Canton, GA
Year: 1996
Model: Cherokee
Engine: 4.0
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Originally Posted by sycoglitch
question for the electrical buffs here. I want to install a DT switch for the existing reverse lights to be used for back area lighting at night but cant find a wiring diagram for it. It would be so one way turns them on even if not in reverse and then switch it to the other side for normal function.


DISCLAIMER: For the annoying people that will try to flame, this is not to blind tailgators even know they deserve it, so please don't tell me state law, and blah blah blah. thankyou.
I'm don't think you'd need a DT switch. Probably just one throw that controls a relay which gives a constant voltage to the reverse lights when engaged. But I'm no expert at all... Just an idea until someone else chimes in. Also, I think you would need diodes of some sort to prevent current from flowing backwards...
Last edited by tssguy123; Dec 5, 2013 at 08:33 AM.
Old Dec 5, 2013 | 09:13 AM
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Year: 1999
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SPST On/On type switch with three connectors is sufficient. Middle to your reverse lights, one side to the NSS output, one side to your fused battery feed. You'll need to splice somewhere into the body harness or maybe transmission harness.
Old Dec 5, 2013 | 09:48 AM
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From: Mercer County, NJ
Year: 2001
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Originally Posted by salad
SPST On/On type switch with three connectors is sufficient. Middle to your reverse lights, one side to the NSS output, one side to your fused battery feed. You'll need to splice somewhere into the body harness or maybe transmission harness.
Its that simple. Nice. I know my plan in the next coming weekends
Old Dec 5, 2013 | 10:11 AM
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From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
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Originally Posted by salad
SPST On/On type switch with three connectors is sufficient. Middle to your reverse lights, one side to the NSS output, one side to your fused battery feed. You'll need to splice somewhere into the body harness or maybe transmission harness.
Its that simple. Nice. I know my plan in the next coming weekends

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