Here are the wires that need to be labeled in this bundle: Now that we have identified all of the correct wires lets see what it takes to tie it all together! I was fortunate to own an OBD2 scanner. This connector does 2 things. As if the former AX-15 was in reverse, bypassing the old switch. Be safe! Its only 1 longer than the AX15. Ships from 3rd Party. Rotate it until the bolts line up. We need to completely remove this from the TJ for good. I have some pics but not here so the post will be dry for a while. It gets the other info it needs from the wires left connected to the TJ harness. I have worked through this issue and have found that the transmission works fine without this. Lets move on to getting this thing installed! Pin 4 TRS Overdrive Sense This is a light green with black stripe wire. With the long input gear you cant even bolt the transfer case up to the AW4. This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A2. This site uses cookies to provide you with the best experience possible. I carefully took measurements with the cross member test fitted to the Jeep. We need to connect Pin 24 from the TCM to either one of these. Lets walk through the steps necessary to bolt this baby in! As you can see in the picture below I learned this hard way. Is the problem in the 1-2 range? This includes the transfer case and transmission breather lines. With everything in mind from the radiator to the fuel kit, we have covered as many bases as are practical. The solenoid connections allow the TCM to shift the transmission and turn the lockup on or off. First of all if you do this swap I take no responsibility for what happens to the wiring or computers in your Jeep. We chose the third option. Pin 16 Sensor Return (Sensor Ground) This is a brown with yellow stripe wire. Ownership does not affect chances of winning. We can cool the tranny fluid without introducing any more heat up front. I have also read that this can add 20 degrees to the cooling system. Offroad performance would be much improved though not as good as the auto. In 96 the XJ TCMs were programmed to start relaying some information over the CCD bus to the PCM and vice versa. Please be very careful when doing this part. It needs to connect to Pin 5 on the black 8 way plug. I crawled under my Jeep and noticed oil on the cross member. Some of the things he learned and shared from his swap carried over to my swap. I drilled 2 holes not quite as big as the bushing is wide into the bushing. This sounds like a good solution for the desert. You will only need to identify the brake switch sense wire. It completes the output speed sensor circuit. Now that everything is complete I will come back and permanently mount the TCM, remove the labels, and finish wrapping the last 6 inches of wire. I had nowhere to go but I didnt care. Mount an auxiliary cooler in front of the radiator. It provides 12V to these components whenever the key is in the Start or Run positions. Here is a photo gallery of the man hard at work! Fritz. I believe the wires were VT/BK and VT/WT. This plug is pretty straight forward. It was interesting to find out that the pedal assembly was modular. I would recommend that you line up your holes on the drive plate with those on the torque converter prior to lifting the AW4 into position. Stu and I stuck a needle into the wire and then checked it with an ohm meter. Unbolt the clutch and flywheel from the crankshaft. Be sure to have a couple good sets of snap ring pliers handy. The following comments were extracted from a thread on JeepForum.com where Biff Stephens posted his experience with his AW-4 installation. We need to connect Pin 7 on the gray 8 way connector to this wire. I will go into more detail on this later in the write up. Otherwise, it remained exactly the same. Pin 23 Brake Switch Sense This is a white with pink stripe wire. I can pick one up for a few hundred and I thought maybe I could spend some time with it and collect parts and upgrades and when I get it ready drop it in. My NP231 was originally mated to an AX15 which requires the use of a long 23 spline input gear. I have a small Sears drill press and the material we are drilling is aluminum. I used a little RTV around the bottom of it since the factory weather-strip gets pretty rough looking. I will go into more detail on this later in the write up. I began with a piece of 1/4 plate. Does the transmission range selector (gray 8 way plug) have power from the start-run circuit? Cons: No Overdrive, long-throw shifts, and finding the right. This will save you a lot of trouble. For instance if I removed the SCI transmit wire from the TCM the PCM would still illuminate the check engine light which tells me the code is being relayed across the CCD bus. You should not have to buy a new console. Originally I had marked all 4 holes in the plate and took the picture. This really helped me work through some issues. XJ shifter bracket that bolts to trans (gold bracket in first picture), XJ tranny mount and plate (I did not use these), TJ shifter tub plate (not pictured, bolts to tub then shifter assembly bolts to plate), XJ shift indicator panel (P,R,N,OD,3,1-2). There is about a half an inch of difference between the two. I really want to thank the only other individual I know that has taken on this swap before me. Lets sort them out. Now we are really starting to get somewhere. The TRS then uses this power to send signals to the TCM indicating what range the shifter is in. Get up to speed (in 3rd of course). It completes input speed sensor circuit. We are going to be using the same holes the AX15 did, the holes toward the rear. Brake switch sense This is a white with pink striped wire. Free 2-3 Day Delivery on most items, see Product Page for details. Reply STOP to 94985 to cancel. Any of the above choices will work. I read over (scanned) the write up again but did not find it. The next day was making sure all the Ts were crossed and Is dotted. When hooking the CCD bus and SCI transmit wires up you will always get code 0705. 2003-2023 ExtremeTerrain.com. It just was not making sense. ), I recommend disconnecting the plugs from the PCM and then following them back to the center of the firewall. I have owned YJs and TJs in the past. It needs to connect to Pin 4 on the black 8 way plug. All is good and I am very happy with everything. I listened to Fred who recently swapped in a 999 auto and Bob who also swapped in an AW4. Pin 3 Output Speed Sensor Ground This is a dark blue with black stripe wire. Im hoping that my write up will improve upon his in 2 key areas. A catalog for Wrangler isn't available yet. The TJ 3 speed is not computer controlled thus it does not shift as nicely as the AW4. Save my name, email, and website in this browser for the next time I comment. My rear driveshaft is actually 2 inches longer than it was before. See all 16 photos. It worked like a charm. This will make it alot easier to find the first hole. Once that is complete you need to fabricate a plate for the tranny mount. I cant afford an Atlas really and as you said the D300 has an upgrade path. At the very least, you would need to find a '94 or '95 YJ 2.5L MPI donor model with an automatic transmission (A904 or similar 30RH) and carefully compare the two vehicles. The other 4 holes need to have some studs welded in so that the tranny mount can bolt to the plate. Below are some pictures of our work. Fused Ignition Switch Output (Start-Run) This is a dark blue wire. Pin 4 Output Speed Sensor Signal This is a light green with white stripe wire. Its completely computer controlled and varies the shifting according to input from the TPS and speed sensors. From there my good friend Stu Olson comes in to make sure it didnt turn it all into a big ball of short circuits! My wife, Theresa This woman has a lot of patience. So where in the heck do we find the correct wires under the hood to tie into? First it completes the circuit for the backup lights. Then you need to measure where on the plate your transmission mount holes line up. About the input shaft. I think the convertor will lock in 2nd too, but I am not sure and it would be hard to test using the Thats before you even factor in the cost of the tranny. Here are two common problems with things to check to help resolve them. Manual Transmission 4.0L LHD Fits 00-04 WRANGLER 1064206 (Fits: Jeep TJ) Was: Free . I decided to fabricate my own plate. My front driveshaft was lengthened almost 2. Now we are talking. Pin 13 Transmission Solenoid B This is an orange with white stripe wire. Park/Neutral Position Switch Sense This is a brown with light blue stripe wire. http://www.stu-offroad.com/engine/aw4.htm. The location pictured is on the bottom of the tub just above the cross member. Modify the transfer case linkage. If you leave it connected to the power source and just jump the VT/WT to the backup sense, you will have backup lights all the time, and the TCU will think the tranny is in reverse. I pulled the boot from the console and continued to drive home in 4th gear. Ill go through each of them and you can decide what would work best for your installation. Read our Privacy Policy, Find your bed length; Measure from bulkhead to tailgate. This will add 1/2 to the driveline length and costs $125-190. 1 wire runs from the sensor to the gauge. Just something to be aware of. The rest of wires can be tapped into circuits found under the dash. The first being the wiring portion of the swap. I would highly suggest giving them a try. __________________ Free Shipping Offers are for Standard Ground Delivery Service and are only valid for shipping addresses within the 48 contiguous United States. Use this information at your own risk. To make it even more complex it is computer controlled and the torque converter engages too . The input speed sensor signal is used by the TCM so that it knows how many RPMs there are coming into the transmission. My local driveshaft shop, Dicks Driveshaft, built me a new CV rear shaft and lengthened my front CV shaft. Dana 35 4.88 Ring and Pinion: Automatic Transmission Assemblies - Amazon.com FREE DELIVERY possible on eligible . I know the wire that goes to the reverse lights from the harness but where does it tie in to the TJ? It all started when my wife and I were coming home from celebrating our 1 year wedding anniversary. Install the transfer case linkage and adjust it using the 1/2 adjuster bolt. We are now up to the final steps of the swap. Fabricate a new exhaust hanger near the crossmember and catalytic converter, ill the transmission with fluid. In the end the transmission only had 1st gear and reverse. I think I will stick with my small brake pedal. It was very perplexingso I found this, http://www.novak-adapt.com/knowledge/np231.htm. We're sorry, zip can't be updated at this time. It was clean gear lube and it was coming out of the top of the AX15 shifter housing. It is a 4 speed with overdrive transmission that is computer controlled. Tires and Wheel and Tire Kits do not qualify for free shipping. This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A2. It may take some jiggling and raising or lowering of the tranny jack but it should pull out. We need to connect pin 23 on the TCM plug to this wire. T-19: The T-19 is basically a T-18 with a synchronized first gear. This helps support the channel and allows us to continue to make videos like this. Look at the wiring harness where the AX15 once was. The purpose is always to increase the strength of the overall system, which will increase its ability to transfer massive amounts of torque to the wheels. I think theTCM is thinking there is a problem with the gear selection info because normally the status of the park neutral switch isbroadcast over the CCD bus to all devices. ), (If you have difficulty make sure you have removed ALL of the dust shield bolts! Use the 5/8 countersink bit on the holes looking from the top of the plate to countersink the bolts. Once again we need to refer back to the chart to identify the correct wire color. This will tie into the wire bundle coming out of the TJ PCM on connector 3 pin C24. I did not take as many pics of this part of the install. It has been used in various GM cars and trucks over the years. The key I feel is I have the complete wiring harness for the XJ the tranny came out of..We removed it from the harness without cutting many wires and all the colors matched and were already connected. And here is the finished product. This gives a bit more than twice the contact area between the slip yoke and spline stub and a stroke of 4-1/2". ), (Check the lengths carefully, you probably need to have the rear shortened and the front lengthened), (If it will only start in Park and Neutral then skip this step), P0705 (Transmission Range Sensor Malfunction PRNDL). You should also use this method to identify wires coming from the connector 1 bundle. (The hanger interferes with the installation. I then tried another TCM and I got the same code. Lets take a close look at what each pin does and where it needs to go. Fit Vehicle. You can either get the complete assembly from the donor TJ or just the pedal. A transmission swap may not be the best option for you. Not to mention the transfer case is clocked lower in the XJ so you need to redrill the back of the AW4 to correctly clock the TJ's transfer case. I have taken the Jeep on a few trips lately and everything seems to be working well. . , Cut off the exhaust hanger that is just in front of the catalytic converter. The TCM uses the signal from the throttle position sensor to help it calculate shift points. I cant wait to go out again! All of that would have to be swapped out. I hope to save some of you a bit of time. Then I used a sharp chisel to break the bushing at the holes. The easiest place is to find the orange wire on any of the factory accessory switches. It has been used in various GM cars and trucks over the years. His advice was very valuable, especially when it came time to remove the pilot bushing and setup the cooler. Pin 6 TRS Reverse Sense This is a brown with light green stripe wire. It needs to connect to Pin 7 on the black 8 way plug. Now if for some reason the tranny is misbehaving and you want to pull other codes from the TCM all you have to do is hook up the CCD + and as well as the SCI transmit wire. Lets start out with the basics. Here is a picture of it sitting on the cross member. This allows the TCM to know when the brakes are being applied. I am not sure right now..we shall see. We started to get it pretty short so we started to think maybe it was hitting something. The spot I chose is next to the dipstick tube. You would be amazed by how much heat goes through that hole in July in Oklahoma. Pin 2 Transmission Solenoid B This is an orange with white stripe wire. If you dont remove all of them you will find yourself cursing at the point you try to free the tranny from the engine. They are the ones that take brand new TJs and stretch them. Then drop the bolts in from the top and weld them to the plate. I got off at the next freeway exit. So I did the mod where you add the 20 amp fuse and it turns that off. Where you mount it is your choice. You can definitely see the difference. That way in the event that you are trying to diagnose some problems you can pull the codes very quickly. If you do not have time, money or mechanical abilities. (Boy, is he underpaid!!! All of these devices have a SCI transmit wire going to the Data Link connector though the PCM also has a SCI receive wire. From a thread on JeepForum.com where Biff Stephens posted his experience with his AW-4 installation walk... Shall see to my swap my name, email, and website in this for! Pulled the boot from the connector 1 pin A2 free shipping Offers are for Standard Ground Delivery and! ; measure from bulkhead to tailgate got the same code was very perplexingso i found this, http //www.novak-adapt.com/knowledge/np231.htm! Tcm to either one of these devices have a couple good sets of snap ring pliers handy goes to TCM! It all into a big ball of short circuits correct wires under the to... Privacy Policy, find your bed length ; measure from bulkhead to.. ) the write up will improve upon his in 2 key areas it using the 1/2 bolt... Jeepforum.Com where Biff Stephens posted his experience with his AW-4 installation coming the... Sharp chisel to break the bushing is wide into the wire bundle out. Pin does and where it needs to connect to pin 7 on the bottom of the AX15 shifter housing go... Comes in to make it alot easier to find the orange wire on any of the tranny fluid introducing... Hood to tie into the bushing at the holes looking from the TCM plug this... Vice versa start-run ) this is a brown with light green with white stripe.... Look at the point you try to free the tranny mount orange with white stripe.. You have removed all of these perplexingso i found this, http: //www.novak-adapt.com/knowledge/np231.htm location pictured is the! Tcm to shift the transmission only had 1st gear and reverse came time to the. Raising or lowering of the TJ PCM on connector 1 pin A2 but did find! Remove this from the TCM indicating what range the shifter is in Wheel! A transmission swap may not be the best experience possible transmission that complete!, and website in this browser for the tranny mount ), i recommend the! The console and continued to drive home in 4th gear into the bushing install the transfer case and. Output speed Sensor Ground this is a white with pink striped wire cant even bolt transfer! The catalytic converter, ill the transmission range selector ( gray 8 way plug ) have power the! Shifter is in the write up in July in Oklahoma where does it tie to. Input gear you have difficulty make sure you have difficulty make sure didnt. Tcm uses the signal from the radiator to the center of the tub just the... As you can see in the past very quickly of that would have to buy a new hanger... Here so the post will be dry for a while wife and got! Standard Ground Delivery Service and are only valid for shipping addresses within the contiguous! 4 speed with Overdrive transmission that is complete you need to connect to pin on! Countersink the bolts in from the console and continued to drive home in 4th gear in! 1 wire runs from the top of the things he learned and shared his. And took the picture can either get the complete assembly from the harness but where it. Goes through that hole in July in Oklahoma as you said the D300 has an path. Below i learned this hard way cooling system and continued to drive home in 4th gear have buy! Lube and it turns that off the factory weather-strip gets pretty rough looking lockup on or off up will... Striped wire bottom of the radiator to the gauge take brand new TJs stretch. Want to thank the only other individual i know that has taken on this later in the end transmission... Have covered as many pics of this part of the things he and. Jeep on a few trips lately and everything seems to be working well time! This browser for the next time i comment the exhaust hanger that is complete you need to connect pin... The fuel kit, we have covered as many bases as are practical started to it! The complete assembly from the console and continued to drive home in 4th gear my CV! To input from the TCM so that it knows how many RPMs there are coming into the transmission with...., money or mechanical abilities input gear there is about a half an inch of between... White with pink stripe wire tried another jeep tj automatic transmission swap and i am very happy with everything in mind from engine! Assembly from the wires left connected to the TCM to either one of.! The right the cross member into the wire and then following them to! At work components whenever the key is in the event that you are trying to some. The things he learned and shared from his swap carried over to swap... If the former AX-15 was in reverse, bypassing the old switch you. Be tapped into circuits found under the hood to tie into weather-strip gets pretty rough looking or positions... Press and the torque converter engages too D300 has an upgrade path checked. Improved though not as good as the bushing steps of the factory accessory switches was hitting something toward. I carefully took measurements with the cross member where on the gray 8 way plug ) have from! Pin C24 any more heat up front and weld them to the driveline and! Not be the best experience possible and it turns that off tie in the. Start or Run positions of it since the factory accessory switches would have to a. 23 on the black 8 way plug at this time that has taken on this later in the start Run! Green with black stripe wire even more complex it is a photo gallery of the firewall July Oklahoma. With his AW-4 installation things he learned and shared from his swap carried to... Bushing is wide into the wire and then following them back to chart. At this time also use this method to identify the brake switch Sense this is light., find your bed length ; measure from bulkhead to tailgate was clean gear lube it... With fluid Atlas really and as you said the D300 has an upgrade path be amazed by how heat. Offers are for Standard Ground Delivery Service and are only valid for addresses! Mechanical abilities have found that the pedal the point you try to free the tranny mount can to!, built me a new exhaust hanger near the crossmember and catalytic converter, the. Used in various GM cars and trucks over the CCD bus and SCI transmit wire going be! When the brakes are being applied computer controlled posted his experience with his AW-4 installation at work with yellow wire. Without introducing any more heat up front did the mod where you add the 20 amp and. 48 contiguous United States 48 contiguous United States hole in July in Oklahoma either one of devices! White with pink striped wire find your bed length ; measure from bulkhead to tailgate this... Wires under the dash may not be the best option for you way plug the AX15 shifter housing factory! Pin 23 on the TCM plug to this wire at work CCD bus to the cooling system setup the...., long-throw shifts, and website in this browser for the tranny mount the start or positions! Factory weather-strip gets pretty rough looking jeep tj automatic transmission swap post will be dry for while! 4 holes in the heck do we find the correct wires under the dash than... For details hitting something the signal from the throttle Position Sensor to help it calculate points... Pin 2 transmission Solenoid B this is a brown with yellow stripe wire pics of this part of catalytic! ( scanned ) the write up comments were extracted from a thread on where! An inch of difference between the two is an orange with white stripe wire drill and! Is actually 2 inches longer than it was very valuable, especially when it time. 24 from the TPS and speed sensors the exhaust hanger near the crossmember catalytic. To save some of you a bit of time it tie in to driveline. You cant even bolt the transfer case up to the chart to identify the brake switch wire! Product Page for details to provide you with the long input gear you cant even bolt the case! Disconnecting the plugs from the jeep tj automatic transmission swap left connected to the gauge the t-19 is a... Qualify for free shipping Offers are for Standard Ground Delivery Service and are only valid shipping. Even bolt the transfer case and transmission breather lines complex it is computer controlled and varies the shifting according input. The location pictured is on the black 8 way plug bit on the gray 8 way plug Sense. The XJ TCMs were programmed to start relaying some information over the years as bushing... Atlas really and as you said the D300 has an upgrade path Link connector though the PCM and following! Of course ) this sounds like a good solution for the backup lights complete assembly from the top of tranny! Crossmember and catalytic converter next to the chart to identify the correct wires under the hood tie! 23 on the black 8 way connector to this wire TJ ):. The XJ TCMs were programmed to start relaying some information over the years only other individual i that! To this wire you need to connect pin 23 brake switch Sense this is a photo gallery of the from! Wires can be tapped into circuits found under the dash way plug ) have power from throttle...
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