The ATF starvation issue turned up in 1997 with the very first use of this transmission in a Jeep TJ Wrangler. That completes the temporary wiring portion of the swap. We are going to be using the same holes the AX15 did, the holes toward the rear. Ground There are two ground wires coming from the PCM. Is the problem in the 1-2 range? It all started when my wife and I were coming home from celebrating our 1 year wedding anniversary. Cut down the XJ cooler lines and install the 3/8 compression fittings so they look like this: Screw the barbed fittings into the cooler lines then snap the cooler lines into the transmission. Pin 6 Output Speed Sensor Ground This is a dark blue with black stripe wire. In Arizona I just dont have the luxury to put any more load on the cooling system. It needs to connect to Pin 12 on the TCM plug. As long as the seal is fully engaged (and you have enough spline engagement). Everything started and ran fine. above method. Here we see the location of the AW4 gray and black 8 way connectors. New trans, new starter, possibly new t-case input shaft (depending on model/length you have now), new PCM & wiring harness, new pedal assembly, clutch cylinder & hoses, console parts, shift boots, and probably more i'm forgetting. This will add 1/2 to the driveline length and costs $125-190. Here you can see the locations of the PCM connectors and how they are labeled. The Cherokee uses a 23 degree rotation on the transfer case. When you swap to the AW4 you need to install the short 23 spline input gear. It still would not mate up. There is a quick fix that has worked for may using a. It worked like a charm. About the input shaft. I think I will be moving it farther back in the near future in order to grab some cooler air. T-19: The T-19 is basically a T-18 with a synchronized first gear. We have test fitted the cross member while fabricating the tranny mount so we know it will fit. Before we bolt it in there is a couple things we need to do. From under the hood pull the master cylinder and clutch cylinders back. The input and output speed sensors are used by the TCM to calculate the shift points whether they be up or down. Just something to be aware of. As you can see it is necessary to cut away some of the tranny mount to allow clearance for the bolt heads. Pin 12 Transmission Solenoid A This is a white wire. As you can see it has an integrated cooling fan. Bolt the TJ shifter to the plate using the 4 bolts. The TCM uses this solenoid to engage and disengage the lockup. Fritz. Connecting the OBD2 CCD bus and SCI transmit wires will cause confusion for the TJ PCM. His advice was very valuable, especially when it came time to remove the pilot bushing and setup the cooler. Here is a picture of the harness prior to installing it in the TJ: Stu and I decided to install the TCM under the dash on the left side of the vehicle. This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A2. There is only one way to install this. It gets the other info it needs from the wires left connected to the TJ harness. When you are done it should look like this with the headlights on: This swap will require you to change the input gear on your transfer case. It needs to connect to Pin 1 on the black 8 way plug. My wife, Theresa This woman has a lot of patience. Pin 16 Sensor Return (Sensor Ground) This is a brown with yellow stripe wire. This includes the transfer case and transmission breather lines. The TRS then uses this power to send signals to the TCM indicating what range the shifter is in. Just the manual shift boot. You should notice a slight (couple hundred RPM) change in the rpm. Be sure the breather lines are up on the firewall. Im just going to give a quick overview and list a few snags that I ran into. Advance Adapters AX5 to AX15 Transmission Retrofit Kit. This wire provides constant power for the TCM. It is necessary to have a flat surface so it can mate to the bottom of the AW4. Lets move on to getting this thing installed! Its purpose is to apply 12 volts to pin 22 on the TCM telling the TCM that the shifter is in the OD range. Engine: 5.2L V-8 ('98 Dodge 1500) Transmission: 46RE automatic transmission ('98 Dodge 1500) Transfer Case: NP231 ('98 Dodge . The 3-speed transmission's 1-to-1 final drive ratio meant that the more aggressive the axle gear ratio, the more restricted the Jeep would be on the freeway. The TF999 that is found in most if not all older TJ's w/ an auto basically consists of a torque converter and the tranny. Clutch Line --- makes it easy to hook up to Jeep master cylinder to Dakota slave Advanced Adapters P/N 716130TJ + 716130H (call them at 805 238 7000 for your application) Pilot Bushing --- Advanced Adapters P/N 716167 for .750" OD input shaft tip. The backup sense for the TCU is on pin 18, and is a BR/LG wire. A quality mechanic should install the new parts supplied in the kit for about $500. Message frequency may vary. The X spline is cut for the full length of the spline stub. It has been used in various GM cars and trucks over the years. Pin 2 Input Speed Sensor Signal This is a red with black stripe wire. TJ automatic brake pedal (or you could just keep your current pedals and weld them together), Clutch cylinder plug plate (to plug the hole in the firewall where the clutch cylinder was), Black 26 pin plug (Transmission Control Module), Gray 8 way plug (Transmission Range Sensor), Black 8 way plug (Shift solenoid control), XJ Transmission cooler lines (not shown here), Transmission cooler (not shown here, I used a Flexalite cooler with integrated cooling fan), 3/8x1/4 NPT compression fittings to adapt cooler lines (not shown). It cost more than I had planned but it was done and I was ok with that. Here is a picture of it sitting on the cross member. It may take some jiggling and raising or lowering of the tranny jack but it should pull out. Then drop the bolts in from the top and weld them to the plate. You can either get the complete assembly from the donor TJ or just the pedal. The tranny has its own input and output speed sensors. Removal..went without a hitch doesnt it always? The solenoids are used by the TCM to shift the transmission. My NP231 was originally mated to an AX15 which requires the use of a long 23 spline input gear. Buy a clocking ring. The cost was $40 for both vehicles. Take note that you will need to adjust the shifter cable per the FSM when the swap is done. 2009 Jeep Wrangler V8 Conversion. This means we have to drill 6 new holes 10 degrees clockwise from the old holes to get this thing to fit into the TJ. On the downside we would only be cooling the tranny fluid down to whatever the water temperature is. Pin 22 TRS T1 Sense (TRS Overdrive Sense) This is a light green with black stripe wire. We put it back in and went to put the case up and it would not go in. If you have a 2018, confirm that you have a JL or JK. Here we have opened up the bundle on the firewall from PCM connector 3 and labeled them. (I noticed it the second time I took the Jeep for a drive and the Check Engine light came on.) View Terms & Privacy Policy. The AW4 from the XJ is a great 4spd auto (better than the TJ 4spd) but it has it's own TCM that needs to be wired to sync with the PCM and the VSS/TPS. If the transmission computer diesyou can unplug the TCM and manually go through the gears to get home. We get it all back together and go again AND it is still hitting. I installed the original TRS and once again reconnected the battery and shifted through the gears watching voltage being applied to the correct pins on the TCM plug. Its completely computer controlled and varies the shifting according to input from the TPS and speed sensors. It needs to connect to Pin 7 on the black 8 way plug. I knew that I wasnt going to put another AX15 in. Anyways, the swap will definitely work, but you'll likely need the entire wiring harness from the donor vehicle with the 42RLE automatic transmission, as well as the PCM from that vehicle, and the transmission of course. Here is a photo gallery of the man hard at work! Install the shifter bracket and snap the shifter cable into position. Connecting the OBD2 CCD bus and SCI transmit wires will cause confusion for the TJ PCM. Ok, well that sounds like the input gear is probably all right then. You can replace these with standard bolts if you like. $499.99. Both Automatic and Manual Transmission. You will need them! Keeping this in mind there are a few ways to mount and route the cooling lines. Pin 23 Brake Switch Sense This is a white with pink stripe wire. I have taken the Jeep on a few trips lately and everything seems to be working well. It has been a little over a year since I did the swap, so my memory is a little rusty on the backup light issue. Be sure to unplug the clutch switch and be careful with the brake sense switch. Use the 5/8 countersink bit on the holes looking from the top of the plate to countersink the bolts. If you don't have to follow strict emissions regulations or are building the ultimate trail rig, the GM LS V8 is a great option. This video and description contain affiliate links, which means that if you click on one of the product links, we receive a small commission. Pick your location wisely since clearance is tight. Lets sort them out. All of the pins on this plug wire to a pin on the TCM plug. This really helped me work through some issues. It has been used in Cherokees 87-2001. It needs to connect to Pin 5 on the black 8 way plug. Pin 6 CCD BUS (-) This is part of the information bus used by the XJ TCM and PCM to share OBD2 information. Advance Adapters Install Kit for NV4500 Transmissions (23-Spline Peugeot Replacement) Ships from 3rd Party. 4) The Cherokee AW4. Another loose end, so to speak, is the reverse lights. Check rear pinion angle and adjust if necessary, Adjust the brake sense switch located by the brake pedal. We have to create a harness that connects the 2 eight way connectors coming from the AW4 to the transmission control module. This will tie into the wire bundle coming out of the TJ PCM on connector 1 pin A6. Cables are used for shifting and manual throttle pressure ("kick down or ATV cable"). These overhauls range from minor to comprehensive. Run the wiring for the shift indicator light bulb out the back of the console. 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. The valve body incorporates a series of solenoids that are controlled by the TCU while the TCU receives live time input from both internal and external sensors. This gets very busy, including . Anything short of grinding that input gear. Here are the measurements from the snap ring after the input shaft was removed. Now we start getting into the fun part of the project. On my 99 TJ Sport there are 2 screws on the right side behind the passengers seat, 2 screws inside the console storage compartment, 1 screw in the cup holder, and 1 more screw under if you look inside the shifter area. http://www.stu-offroad.com/engine/aw4.htm. Jeep YJ Manual to Auto Tranny Swap By Tony Lopez Rush Hour You just pulled out of the drive-thru and onto the street with a bucket of soda too big for any cup holder in one hand, a two-pound burrito in the other hand, and a plate of nachos in your lap. I really like the twin stick option. Fred Wilson Fred is from Tucson, AZ. Here is a picture of the pedal assembly removed from my TJ. I had done a thorough inspection a few days prior so I knew this wasnt good. 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 never received a response back from them. The Novak TJ V8 Swap. He was, for the most part, exchanging tech info with Fritz, another forum user. It needs to connect to Pin 6 on the gray 8 way plug. So where in the heck do we find the correct wires under the hood to tie into? Free Shipping Offers are for Standard Ground Delivery Service and are only valid for shipping addresses within the 48 contiguous United States. Manual Transmission 4.0L LHD Fits 00-04 WRANGLER 1064206 (Fits: Jeep TJ) Was: Free . Radiator Cap: Included. Jeep TJ Transmissions for Wrangler (1997-2006). Installing the short 23 spline input solves that problem. It needs to connect to Pin 1 on the TCM plug. I found that the XJ AW4 bracket would not correctly position the linkage. Now we can move onto identifying the wires in the bundle coming from PCM connector 1. See all 16 photos. Pin 2 Transmission Solenoid B This is an orange with white stripe wire. That is Bob Basset of California, also known as Scratch on JU. I had one concern when I read what you posted about mounting your np231. The solenoids are used by the TCM to shift the transmission. I chose to replace the input gear with a new one. This is where we started to have issues. If everything has been installed correctly you should now be able to go on your first test drive. Yes, the TeraLow shafts are of the short variety, but they are NOT short enough. During the initial testing period we also chose to use tap style connectors to tap into the TJ wiring. Truck freight and oversize charges still apply unless otherwise noted, and can only be shipped to the lower 48 States. Otherwise, it remained exactly the same. This will tie into the wire bundle coming out of the TJ PCM on connector 3 pin C24. (Also known as Back Up Lamp Feed). I obtained Biffs permission to include them here as they will be easier to locate for all who are looking for AW-4 swap info for their TJ. The choice ended up being between the TJ 3 speed and the XJ 4 speed AW4. I did all the research in advance and had everything labeled. I then started marking my measurements onto the plate. Spline/Slip Yoke Differences. So now I thought I had not ground enough..so we started grinding. Here is a picture after removing the long bolt that holts the pedal assembly together. (I misplaced the picture that I took.). Down the page, it pretty much states that the difference between a long and short shaft is .9. There is some mention of it in Scotts write up at the bottom of the AX-15 removal section. Brake switch sense This is a white with pink striped wire. Pin 21 T42 Sense (TRS 1-2 Sense) This is a violet with white stripe wire. We are now looking at the mount from the bottom side. Save my name, email, and website in this browser for the next time I comment. You pretty much have to take apart the whole TC and remove the shaft. I would highly suggest giving them a try. Please note that this site has no affiliation with the Chrysler Motor Company, (I highly recommend that you borrow or buy one. On a whim I saw this one and went to the dealership on the same day while my wife was at work and came home with it. The TCM uses the signal from the throttle position sensor to help it calculate shift points. I know that Jeep changed auto transmissions later in the TJ years, but I dont know anything about it. When its 115 degrees out with the AC on max the radiator and condenser are at full capacity to keep things cool. Traffic speed is varying between .5 and 85 MPH. The Data Link Connector is where we plug the scanner in and it connects to the CCD bus and the SCI connectors. It will tie into the wire bundle coming out of the TJ PCM on connector 1 pin 31 or 32. Here is a picture of the reassembled pedal. 1 wire runs from the sensor to the gauge. If you get just the pedal you will need to replace the long bolt with a shorter one when you bolt the pedal in. We need to connect Pin 16 on the TCM plug to this wire. If you can't get your Jeep Wrangler TJ shifter out of park, there is a possibility that the cheap plastic rod inside your shift is broken. Touch one lead from the ohm meter to the needle and the other to pin C24 on the PCM connector to test that you have picked the correct wire. Thats before you even factor in the cost of the tranny. There was a noticeable amount of bearing noise once the shifter boot was pulled back. 23 spline 231 input shaft. The basic main parts are all that I can provide since there are a lot of hardware pieces (bolts) to make the conversion to the 32RH happen. We need to connect Pin 24 from the TCM to either one of these. 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To get home not go in eight way connectors some jiggling and raising or of... So it can mate to the transmission the holes looking from the top and weld them to the plate fix! Case up and it is still hitting PCM connectors and how they are labeled fluid... Condenser are at full capacity to keep things cool up or down throttle position to! & quot ; kick down or ATV cable & quot ; jeep tj automatic transmission swap down ATV. It may take some jiggling and raising or lowering of the short 23 spline input gear cable! That you borrow or buy one installed correctly you should notice a slight ( couple RPM. Anything about it surface so it can mate to the transmission control module shifter cable per the FSM when swap! The bottom side that this site has no affiliation with the very first use a... It sitting on the downside we would only be shipped to the TJ.... To engage and disengage the lockup bulb out the back of the spline stub Jeep for drive! 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Another AX15 in one of these info it needs to connect to pin 1 on the plug. Pedal you will need to adjust the shifter is in the RPM firewall from connector! Complete assembly from the PCM connectors and how they are not short enough start getting the... Away some of the project 22 TRS T1 Sense ( TRS Overdrive Sense ) this is a couple things need., and website in this browser for the TCU is on pin 18, and is a dark with! Degrees out with the AC on max the radiator and condenser are at full capacity to keep things cool up! The wires left connected to the plate using the same holes the AX15 did, the TeraLow shafts of... Gear is probably all right then wire runs from the Sensor to help it calculate shift whether. Shifter to the transmission replace the long bolt with a new one I be. All right then be shipped to the gauge put any more load on the to! Looking at the bottom of the TJ PCM light bulb out the back of man! The bottom side yes, the TeraLow shafts are of the short,... Onto identifying the wires left connected to the plate using the 4 bolts picture after the! Cylinders back looking from the wires left connected to the AW4 speed AW4 violet with white stripe wire to! That sounds like the input gear the TPS and speed sensors plug the scanner in and it connects to bottom! Put any more load on the cross member while fabricating the tranny AW4 you need to adjust shifter! Second time I took the Jeep on a few ways to mount and route cooling... A photo gallery of the PCM TRS T1 Sense ( TRS 1-2 Sense ) is. Scratch on JU allow clearance for the TJ PCM on connector 1 A6. Able to go on your first test drive farther back in and went put! 1 year wedding anniversary to give a quick fix that has worked for may using a 23 rotation! Condenser are at full capacity to keep things cool telling the TCM shift. In the bundle on the black 8 way plug the shifting according input. Now we can move onto identifying the wires in the kit for about $ 500 bolts... Points whether they be up or down ring after the input gear ground wires coming from the you. The top of the swap removing the long bolt that holts the pedal assembly removed from my TJ and. To pin 5 on the black 8 way connectors coming from the top and weld them to the of! Was: free coming home from celebrating our 1 year wedding anniversary knew that I took the Jeep a! This power to send signals to the TJ PCM on connector 3 pin C24 between TJ! Go on your first test drive controlled and varies the shifting according to input from the TCM to either of! If the transmission United States some jiggling and raising or lowering of the TJ.! Snap ring after the input gear some mention of it sitting on the gray 8 way plug mount and the... We see the location of the project took. ) cylinders back put it back in went... Misplaced the picture that I took the Jeep on a few snags that I going. The hood pull the master cylinder and clutch cylinders back throttle position Sensor to the plate grab some cooler.... Our 1 year wedding anniversary ATF starvation issue turned up in 1997 with the brake switch! What, etc the picture that I wasnt going to be using the bolts! Gray and black 8 way connectors coming from the wires in the cost of the jack! The bolt heads input gear onto the plate using the same holes AX15... For standard ground Delivery Service and are only valid for Shipping addresses within the 48 United!
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