4.0l xj 97 motor into yj 87 - Page 12 - JeepForum.com
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post #166 of 252 Old 10-15-2013, 03:44 PM Thread Starter
lbsickboy
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I get what you mean about the Black on the yj nss but im talking about the the 2 wires that come of the yj bulkhead that need to be hooked up to the xj transmission nss.
The Brown from the yj for the back up lights Goes to the Brown/light green on the NSS xj
Then the yellow from the yj bulkhead Goes to power on the igntion.

But i want to know where can i splice the wires from the bulk into the nss on the xj but not at the nss it self but at the transmission computer.
Hence the shortes route so i dont have to bring the wires all the way down to the nss at the transmission.


http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #167 of 252 Old 10-15-2013, 04:47 PM
SLO_Ken
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Oh... this whole time, I was thinking you had bolted the 4.0 up to the tf999. I didn't realize you had swapped in the AW4 from the XJ as well

Here's a good step by step article showing how to remove and clean the NSS on your AW4. http://www.bc4x4.com/tech/2010/jeep-...ty-switch-nss/
They call it the "transmission range sensor" in the FSM, since it also tells the transmission control module (TCM) what gear is selected. Here is a diagram from the FSM showing the NSS, and where the wires go.

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post #168 of 252 Old 10-16-2013, 06:34 AM Thread Starter
lbsickboy
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Quote:
Originally Posted by SLO_Ken View Post
Oh... this whole time, I was thinking you had bolted the 4.0 up to the tf999. I didn't realize you had swapped in the AW4 from the XJ as well

Here's a good step by step article showing how to remove and clean the NSS on your AW4. http://www.bc4x4.com/tech/2010/jeep-...ty-switch-nss/
They call it the "transmission range sensor" in the FSM, since it also tells the transmission control module (TCM) what gear is selected. Here is a diagram from the FSM showing the NSS, and where the wires go.


LOL I thought you new i had transfered the hole mick mac motor and tranny
oh it might be i didnt mention it any way now we got that cleared up,
i know that link bean there a few times but it doesn't help me out.
back to the wires brown from the yj bulkhead goes to the brown/light green on the c100 or not the reason i ask is i do have that wire on the xj harness.

but what about the yellow wire from the bulkhead?
i just fried a turn bu fuse when i connected the yellow wire to the battery lol

http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #169 of 252 Old 10-16-2013, 09:49 AM
SLO_Ken
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You mentioned it, back on post 1. since I didn't jump into this conversation until later, I missed that detail...

The diagram above shows the flow of power through the TRS. You will see that there are two wires that provide power (from the top of the page), and five different outputs, depending on what gear is selected. For the switched/fused power input on the left, you should connect the yellow wire (C6) from the YJ bulkhead to the white wire (A9) on the XJ C100. Then the brown wire (G6) from the YJ bulkhead should get spliced into the brn/lg wire (position 18) at the transmission computer.

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post #170 of 252 Old 10-16-2013, 10:21 AM Thread Starter
lbsickboy
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OK im going to try that tonight ill keep you and all updated.

just what to know if you have done this swap and if yes i started a new thread about the fuel gauge, check my signature please may be you could shed some light on that to

http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #171 of 252 Old 10-16-2013, 12:46 PM Thread Starter
lbsickboy
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Good news it bloody works i went the way you Sad SLO, but instead of connecting it up at the tcm,
i thought what the hell ill try the Brown/light green wire A15 on the C100 along with the White at A9 and they worked just darn right dandy

Thank you very very very much.


Ps. would you be a gold fellow and send me your adress via pm so i can send you a little somthing.

http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #172 of 252 Old 10-16-2013, 12:53 PM
SLO_Ken
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Good job!! I missed that the L10 circuit branches off to A15 on C100 in addition to pos 18 on the TCM.
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post #173 of 252 Old 10-16-2013, 01:01 PM Thread Starter
lbsickboy
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If i was to have a choice over the obd2 and the obd1 i would go for obd2
Everything that is needed is on the C100 connector.

Once again Thank you, pm me your adress please

http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #174 of 252 Old 10-16-2013, 03:22 PM Thread Starter
lbsickboy
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ok just in case some one needs help on the fuel gauge here is the guage you can get that works with the tj xj fuel sender 220-20 ohms full / empty, OBD2 system
http://www.speedhut.com/gauge/G-90-F...90%C2%B0-Sweep)

http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #175 of 252 Old 10-16-2013, 04:29 PM
Que89YJ
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That other one you listed in the thread would have worked fine as well.
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post #176 of 252 Old 10-17-2013, 01:34 AM Thread Starter
lbsickboy
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Quote:
Originally Posted by Que89YJ View Post
That other one you listed in the thread would have worked fine as well.
ok but i want it to accurate just like factory set up.

just for all that tune in to this thread bear in mind i have not used the xj fule tank nor did i use the xj fuel sender, i have a jeep tj 98 fuel tank and pomp.

fuel pomps are the same on the xj as so on the tj but the fuel sender unit will read different.
XJ 270 ohms empty 20 ohms full +/-5%
TJ 220 ohms empty 20 ohms full +/-5% ( this is my set up)

http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #177 of 252 Old 10-17-2013, 12:07 PM Thread Starter
lbsickboy
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So today Que89YJ had informed me that fuel gauge with 240-33 ohms is the way to go so that saved me a few $$.

this is the one i have ordered,
http://www.egauges.com/vdo_ind.asp?T...ion&PN=301-105

Also i ordered a new cold air filter
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http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #178 of 252 Old 10-18-2013, 10:15 AM Thread Starter
lbsickboy
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Hi i have a little problem,
i was out testing the jeep, i pulled up along side a truck at the stop lights, the road a head changes from a dubble lanes to a single lane so i thought ill put my foot down so i could get in front of the dam truck,
and guess what my jeep hesitated and i ended up pulling back behind the truck
any way i thought what the hell it might just be a one off thing.

after this had happened the jeep was hesitating when i take corners and when i was driving in a straight line again all was well no problem.

any one got a few ideas what it could be?

also i noticed when i go to start the car, sometimes it will start right up and then 2 or 3 seconds it would cut out on me then would start it again and it would do it again.
then i would start it again it would start no problem
warm or cold it will do it.

http://www.jeepforum.com/forum/f12/4-0l-xj-97-motor-into-yj-87-a-1567705/
WANGLER 87 4.0 HO AW4
4,5 " ROUGH COUNTRY LIFT KIT, 1.5" BOOMERANG SHACKLES, 33'' BANDEN, ROUGH COUNTRY DUAL STEERING STABILIZER
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post #179 of 252 Old 10-18-2013, 10:53 AM
SLO_Ken
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The first things that come to mind are the crank position sensor (CPS), and the immobilizer. The second part, about it dying 2-3 seconds after startup definitely sounds like the immobilizer.
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post #180 of 252 Old 10-18-2013, 11:10 AM
Que89YJ
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I am thinking o2 but don't guess. Do the diagnosis
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