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#21
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my 88 non disconnect has a switch in the tcase that makes the light work. It
also has a hard time in 4wd part time. full time works, low works but part time 4wd is iffy for the light even though it shifts well. KH "Matt Macchiarolo" > wrote in message ... > AFAIK there isn't a transfer case vacuum switch on the 93 XJ: that year > there was no vacuum disconnect on the front axle. > > That said, the part-time light didn't work on my '93 XJ either, and I was > able to determine that the bulb was fine...so it was either in the wiring > to > the transfer case or (most likely) the electrical switch in the transfer > case. I didn't think it was serious enough to mess with unless I had to > take > the t-case apart for some reason. > > "RoyJ" > wrote in message > nk.net... > >> >> You can check the operation by starting the beast up, pull the vac plug >> on the front axle and checking for a mild vac on one of the lines. Then >> shift to 4wd, the vac should switch to the other line. No vac on either >> says the line to the transfer case switch is bad. Not switching says the >> transfer case switch itself is bad. Vac on one direction, not the other >> says the vac harness is bad. Proper switching but no 4wd says the >> diaphram is bad or the shift dog is stuck. >> >> Snow wrote: >> > Where would I find the switch, I haven't looked yet, or is it quite >> > easy > to >> > see? >> > >> > Snow... >> > >> > "RoyJ" > wrote in message >> > news >> > >> >>Check the connection on the axle before pulling the dash off to get at >> >>the bulbs. Put it in 4wd, move forward and backward a few feet to help >> >>drop it in, see if the swich reads close to zero ohms. then see if the >> >>connector is any good. >> >> >> >>Snow wrote: >> >> >> >>>Yeah I'm pretty sure it went fully into 4 high, I turned 4 corners 2 > of >> >>>them slippery the other 2 were dry. I wasn't going fast and the 2 >> > >> > corners >> > >> >>>that were dry I could feel the front wheels do the "hop" they do when > in >> > >> > 4wd >> > >> >>>on a dry surface. I used to park in an semi underground parking lot, > or >> >>>rather had to drive through one to get to my parking spot and needed > 4wd >> >>>before I entered and after I exited to get into my spot (had turn a >> > >> > couple >> > >> >>>corners and the front would hop if it was in 4wd). I haven't >> >>>checked >> > >> > the >> > >> >>>bulb yet, I'll do that tomorrow when I get home from work. >> >>> >> >>>Snow... >> >>> >> >>>"RoyJ" > wrote in message >> link.net... >> >>> >> >>> >> >>>>The older YJ's and XJ's had a vacumn switch sitting up on the > firewall, >> >>>>right next to the battery. Switch cuts in only after the front axle >> >>>>is >> >>>>locked. Newer models have the switch as an intergal part of the > diaphram >> >>>>on the front axle. Cutover was '91 on the YJ, a year or so earlier on >> >>>>the XJ. You can easily check which you have: old units have 3 vac > ports >> >>>>on the axle, newer ones have 2 vac ports and a wire terminal. >> >>>> >> >>>>Did you actually get inot 4wd? Keep in mind that your transfer case > can >> >>>>switch into 4WD, your axle may not have made it. The light does not > come >> >>>>on until it is locked. Usual problem is bad vac harnes, next is the > vac >> >>>>switch on the tranny. Or just the usual assortment of bad wire, >> >>>>bunred >> >>>>out bulb. Harness runs about $35 at the dealer, switch is about $16. >> >>>>Lots of guys go with the manual cable, $200 as an accessory, less if > you >> >>>>make your own. >> >>>> >> >>>>Snow wrote: >> >>>> >> >>>> >> >>>>>Just wondering what turns on and off the 4wd part-time and full-time >> >>> >> >>>lights >> >>> >> >>> >> >>>>>on a 93 XJ (4.0, atw4 tranny)? I noticed last night that the >> > >> > indicator >> > >> >>>>>lights don't turn on. T-case still shifts and engages into both 4wd >> >>> >> >>>drive >> >>> >> >>> >> >>>>>settings, this morning a few local roads were just slippery enough >> >>>>>to >> >>> >> >>>allow >> >>> >> >>> >> >>>>>me to shift into 4 high and try it. Does the light get turned on >> >>>>>by >> >>> >> >>>the >> >>> >> >>> >> >>>>>same vac. switch as the t-case? >> >>>>> >> >>>>>Snow...93 XJ >> >>>>> >> >>>>> >> >>> >> >>> >> >>> >> > >> > > > |
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#22
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Ok seams like its just the bulb or wire to the bulb which is bad. Had a
couple inches of snow yesterday so too the J**P out and around the neighbourhood tried 4wd hi several times while goosing the gas around corners, wife watched and said that once I managed to get all 4 wheels to spin on a straight stretch when I floored it from a complete stop. If the weather gets nicer over the next couple days I'll look more into the bulb and wiring, if not I'll make a project on the list for next spring. Thanks for all your suggestions. Snow... "Snow" > wrote in message ... > Just wondering what turns on and off the 4wd part-time and full-time lights > on a 93 XJ (4.0, atw4 tranny)? I noticed last night that the indicator > lights don't turn on. T-case still shifts and engages into both 4wd drive > settings, this morning a few local roads were just slippery enough to allow > me to shift into 4 high and try it. Does the light get turned on by the > same vac. switch as the t-case? > > Snow...93 XJ > > |
#23
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I believe I have read here that the parts stores carry lots of those
switches. They are on the tranny and fail lots it would seem. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Snow wrote: > > Ok seams like its just the bulb or wire to the bulb which is bad. Had a > couple inches of snow yesterday so too the J**P out and around the > neighbourhood tried 4wd hi several times while goosing the gas around > corners, wife watched and said that once I managed to get all 4 wheels to > spin on a straight stretch when I floored it from a complete stop. If the > weather gets nicer over the next couple days I'll look more into the bulb > and wiring, if not I'll make a project on the list for next spring. Thanks > for all your suggestions. > > Snow... > > "Snow" > wrote in message > ... > > Just wondering what turns on and off the 4wd part-time and full-time > lights > > on a 93 XJ (4.0, atw4 tranny)? I noticed last night that the indicator > > lights don't turn on. T-case still shifts and engages into both 4wd drive > > settings, this morning a few local roads were just slippery enough to > allow > > me to shift into 4 high and try it. Does the light get turned on by the > > same vac. switch as the t-case? > > > > Snow...93 XJ > > > > |
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