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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / August 2006EATX Relay Physical Location 91 Voyager
Does anyone know the physical location of the EATX Relay in the 91 Plymouth Voyager 3.3L? The trans intermitantly goes into limp-in and I want to try changing this relay before replacing TCM. Thank you for your help.Ron > Does anyone know the physical location of the EATX Relay in the 91 > Plymouth Voyager 3.3L? The trans intermitantly goes into limp-in and I > want to try changing this relay before replacing TCM. Thank you for > your help.Ron What does limp mode mean? Try checking your trans fluid level! Use a white napkin to wipe the fluid level stick! Should be bright pink! If it's brown or even smells burnt chances are that you have internal damage and should take it in to a reputable transmission professional! If that's not the issue. Try disconnecting your battery for an hour or more so that your vehicle will have to re-learn the proper settings! You'll have to drive it around on the freeways (expressways) and side streets before it will re-learn everything! Idono where the eatx is but I would guess would be rather close to your eeprom! You didn't happen to mention if you had A/C? Daryl,Limp-in means the trans stays in 2nd gear and will not shift out of it until you shut off the engine and start it again. I took it to a trans shop but he did not have time to fix it. He said it is probably the TCM since I have an old style TCM (one without cooling fins). There is an outside chance it could be the EATX relay and that I can change myself if I knew where it was,hense my question.Yes, I have A/C but I don't think that has anything to do with the problem.Ron > Daryl,Limp-in means the trans stays in 2nd gear and will not shift out > of it until you shut off the engine and start it again. I took it to a [quoted text clipped - 3 lines] > myself if I knew where it was,hense my question.Yes, I have A/C but I > don't think that has anything to do with the problem.Ron The transmission control relay should be right next to the TCM, and should have 2 Red power wires, and light green, and red/black control wires going to it. Steve, >Thanks for the input. The TCM is mounted on the passenger side firewall and there are no relays on the firewall. The closest relays to the TCM are mounted on the passenger side fender shroud. There is a group of 2 relays together and further on the shroud under where the jack is mounted there is a group of 2 more relays. I am assumming the EATX relay must be one of these 4 relays. The question being which one is it? All 4 relays feed into the bunch of wires that go to the TCM among other places. To further complicate the situation, there are more relays mounted on the drivers side fender shroud and I am assumming the EATX relay is not one of these since they are physically further away from the TCM than the afore mentioned relays. Of course I could be wrong about that since logic always does not apply to the design of automobiles (i.e. try changing the 3 back spark plugs in the 3.3L).All the relays have a part # on them and if you know the part # of the EATX relay that would help narrow it down somewhat although some of them have the same part#.> Thanks again for your input.> Ron Steve, >Thanks for the input. The TCM is mounted on the passenger side firewall and there are no relays on the firewall. The closest relays to the TCM are mounted on the passenger side fender shroud. There is a group of 2 relays together and further on the shroud under where the jack is mounted there is a group of 2 more relays. I am assumming the EATX relay must be one of these 4 relays. The question being which one is it? All 4 relays feed into the bunch of wires that go to the TCM among other places. To further complicate the situation, there are more relays mounted on the drivers side fender shroud and I am assumming the EATX relay is not one of these since they are physically further away from the TCM than the afore mentioned relays. Of course I could be wrong about that since logic always does not apply to the design of automobiles (i.e. try changing the 3 back spark plugs in the 3.3L).All the relays have a part # on them and if you know the part # of the EATX relay that would help narrow it down somewhat although some of them have the same part#.> Thanks again for your input.> Ron Ron, I've found that the location of electrical components, and the color-coding of wiring doesn't always follow the Chrysler factory manuals. My 1991 had the TCM relay next to the TCM. Evidently, yours must be on the passenger fender wall as shown on the scanned diagram I've sent to your email address. They call it the safety shutdown relay (not the same as the auto shutdown relay). The best way to pinpoint which one is correct is to look at the color coding of the wires on the connector. It should have two reds, a light green wire, and a black/red wire. Steve--------This is becmming an interestng quest. First of all, I checked all the relays on both fender walls and none of them have the wire colors you indicated. Secondly, I went to 2 different auto supply stores and the closest thing they have is a relay called "Electronic Automatic Transaxil" relay which I assume is the EATX relay. Thirdly, the relays they have for Plymouth are 1989-90 and 1992-96. 1991 IS MISSING!----------Also while snooping around under the hood, I noticed that, although this van is California Certified for smog controls, it was MADE IN CANADA! I wonder if this is why the EATX relay is not on the firewall and the wire colors don't match what you indicated they should be.----I'm ready to give-up unless you have any further clues......Thanks again for your help so far......Ron.........P.S. I did not receive your email with the diagrams. im in canada and my relays are on the firewall and i am tring to change them one for the other to see if it makes a difference but i do know if you have a leak as i found out today when the trans cooler (factory) line started to leak bad you only get limp mode im thinking if the presure goes down in the trany than limp it is t  Signaturethowell http://www.automotiveforums.com > im in canada and my relays are on the firewall and i am tring to change > them one for the other to see if it makes a difference but i do know if [quoted text clipped - 7 lines] > >Thowell, I don't think it's a good idea to inter-change the relays to see what happens. All the relays are not electrically the same and you may get an unpleasant outcome. (for example: one relay the contacts may be normally open and on the other they maybe normally closed). The relays on my van look physically the same but have different numbers. I think these numbers mean something. I wouldn't try interchanging them unless you are sure they are electrically identical. Ron------------------------------------------------------------------------ > thowell's Profile: http://www.automotiveforums.com/vbulletin/member.php?userid=470173 > View this thread: http://www.automotiveforums.com/vbulletin/showthread.php?t=588796 > > http://www.automotiveforums.com ron Wrote: > Does anyone know the physical location of the EATX Relay in the 91 > Plymouth Voyager 3.3L? The trans intermitantly goes into limp-in and I > want to try changing this relay before replacing TCM. Thank you for > your help.Ron It is called saftey shutdown mini relay On right fender shock tower area beside backup light relay. 4 prongs wires blk/red lt green red red/white and red wire to last one You may want to pull transmission/engine codes to find out what is going on. The automatic shut down relay is on the left fender bracket. Post back code no if you get any. MT SignatureMT-2500 http://www.automotiveforums.com |
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