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Unread 12-28-2004, 07:25 PM   #1
invo
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Join Date: Dec 2004
Posts: 2
Looking for wiring diagram (2002 liberty)

If anyone knows where I could get these (wiring diagrams) in downloadable format, I would really appreciate it. I'm about to install a remote car starter (Automatic) and would rather not play trial and error!

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Unread 12-29-2004, 05:41 PM   #2
02KJSport
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Join Date: Dec 2004
Posts: 12
Just warning you ahead ahead of time unless you really know what you are doing (certified) I really wouldn't take this one on. Even if you have installed a couple before, just letting you know that the Liberty is a good bit more difficult than most.
Install requires a relay (simple enough) and diode/resistor isolating wires. It could be very easy to mess something up.

That being said here is what I used for my 2002 Sport. Just test every wire before cutting.

|......ITEM.................|.....WIRE COLOR.....|POL|.......WIRE LOCATION

| 12V........................|red & pink/black.....|+ |......ignition harness
| STARTER ................|yellow..................|+ |......ignition harness
| IGNITION.................|red/blue...............|+ |......ignition harness
| ACCESSORY.............|black/orange.........|+ |......ignition harness
| 2nd ACCESSORY.......|black/white...........|+ |......ignition harness
| POWER LOCK............|pink/purple *1.......| - |......back of fusebox *2
| POWER UNLOCK........|same wire.............| |
| LOCK MOTOR............|orange/black.........| |......back of fusebox *2
| UNLOCK MOTOR.......|pink/black..............| |......back of fusebox *2
| DISARM DEFEAT.......|orange/purple.........| |......back of fusebox *2
| PARK LIGHTS +........|DO NOT USE..........| |
| PARK LIGHTS -.........|lt. green/orange *3.| |......headlight switch
| HEADLIGHTS............|same wire *3........| |
| DOOR TRIGGER.........|*4......................| - |......right of st column,blue plug
| DOME SPRVISION...|use door trigger.......| |
| HATCH PIN...............|tan/black *7........| - |......conn. 1, pin 7 @ BCM *6
| HOOD PIN................|brown/tan............| - |......conn. 1, pin 6 @ BCM *6
| HATCH RELEASE.......|orange/pink...........|- |......conn. 1, pin 17 @ BCM *6
| FCTRY ARM..............|...........................| |
| FCTRY DISARM.........|lt. green/orange *5..|- |......conn. 2, pin 9 @ BCM *6
| TACHOMETER..........|NOT grn/or or or/grn..| |......ign coil, coil pac, injector
| SPEED SENSE.........|lt green/yellow..........| |......conn. 1, pin 20 @ BCM *6
| BRAKE WIRE...........|white/tan...............|+ |......brake pedal switch
| HORN TRIGGER........|black/red...............|- |......steering column
| WIPERS.................|brn/wht(L),rd/yel(H).|+ |......wiper motor
| LF WDW UP/DN......|lt blue - white..........|A |......center console window switch
| RF WDW UP/DN......|brown - pur/wht.......|A |......center console window switch
| LR WDW UP/DN......|red/blk - blu/wht.......|A |......center console window switch
| RR WDW UP/DN......|grn/wht - gry/blk.......|A |......center console window switch
| SUNRF OPN/CLSE....|not recommended......| |
| RADIO 12V.............|pink.......................|+ |......radio
| RADIO GROUND.......|black.....................| - |......radio
| RADIO SWITCH.......|orange/red.............|+ |......radio
| RADIO ILLUMIN.......|orange (dimmer)......|+ |......radio
| LF SPEAKER...........|green - brn/red.......| |......radio *8
| RF SPEAKER...........|purple - blu/red.......| |......radio *8
| LR SPEAKER...........|brn/yel - brn/lt blu...| |......radio *8
| RR SPEAKER...........|blu/wht - blu/org.....| |......radio *8

Note : Gray ignition key uses immobilizer system. Use DEI part number 555U.
1 Lock - trigger w/ 1.4K Ω resistor, unlock - trigger w/ 426 Ω resistor. Use DEI 451M relay.
2 In the top left corner in a black plug.
3 Park light - trigger w/ 910 Ω resistor. Headlight - trigger w/ 349 Ω resistor. Use relays.
4 Drvr door trigger tan, pass'er door trigger tan/white, use both wires, diode isolate each.
5 The factory alarm disarm is - trigger w/ 473 Ω resistor. MUST use relay.
6 BCM attached to left of fusebox. Connector 1 gray 26 pin plug, connector 2 gray 22 pin plug
7 The flip up glass pin switch is yellow/white in conn. 1, pin 9 of the BCM.
8 On vehicles with the premium sound system, each speaker is individually amplified.

......................___________
......................|................|
......................|.....451M....| Relay for Connecting to Lock\Unlock
......................|.....Relay....|
......................|__________|
......................| | | | |
......................| | | | |_____ Brown Do Not Use
......................| | | |_______ White Do Not Use
......................| | |
......................| | |_________ Purple to Ground
......................| |
........Grn\Blk-->| |<--Blu\Blk
......................| |
......................\ \
......................\ \
1.4KΩ Resistor>| |<426Ω Resistor
......................\ \
......................\ \
______________|_|________Pink\Purple Wire


02KJ Sport

Last edited by 02KJSport; 12-29-2004 at 09:55 PM..
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Unread 12-30-2004, 12:31 AM   #3
invo
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Join Date: Dec 2004
Posts: 2
Thanks, exactly what I needed. Thanks for the warning too. I'm still a little unsure of the location of that Tachometer wire tho.
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Unread 08-29-2011, 08:50 PM   #4
iceman72
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Join Date: Mar 2011
Location: HANOVER, Pennsylvania
Posts: 14
Help

I have my radio hooked up. All my wires are used on the radio side. But the orange wire is solo. Now I am getting a NO Bus error. Is this because of the orange wire not being hooked up to something?
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Unread 08-30-2011, 06:20 AM   #5
Billwill
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2002 KJ Liberty 
 
Join Date: Jul 2007
Location: South Africa
Posts: 1,041
If you do a search on this forum for "Liberty Service Manuals" you will see a link to download the manuals for 2002 Liberties. Download section 8, Electrical drawings...about 42 Mb.
This gives you all the diagrams for the 2002 KJs, gas or diesel, USA or Export, LHD RHD etc.
It also gives you an overview of most components and locations and fault finding etc.
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Unread 03-18-2012, 08:41 AM   #6
iceman72
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Join Date: Mar 2011
Location: HANOVER, Pennsylvania
Posts: 14
I finally found the issue and got it working.
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