Rockfrog Posted September 2, 2016 Share Posted September 2, 2016 So going over part numbers from Rockauto and such ... It looks as the NSS has never really changed other than the plug end. In some cases the part number is the same between a 1990 AW4 NSS and the 2000 AW4 NSS in my XJ .... Is this correct? I know a number of parts were only updated for reliability and are fully backwards compatible (shift solenoids being one). But is this true or a typo on their parts .... I just so happen to have a 1990 NSS and was thinking of cleaning it for use as a spare if this were the case? Sent from my SGH-I337M using Tapatalk Link to comment Share on other sites More sharing options...
HOrnbrod Posted September 2, 2016 Share Posted September 2, 2016 The parts manual shows the 91-96 NSS all the same, then the p/n changed for the 97-01 XJs. Probably the connector as you stated. Link to comment Share on other sites More sharing options...
Billy Posted September 3, 2016 Share Posted September 3, 2016 The parts manual shows the 91-96 NSS all the same, then the p/n changed for the 97-01 XJs. Probably the connector as you stated. Hey....how could I get one of those handy parts manual? I have a 1991 Pioneer H.O. Link to comment Share on other sites More sharing options...
HOrnbrod Posted September 3, 2016 Share Posted September 3, 2016 Hey....try here: https://onedrive.live.com/?id=C40904CFDA278A46%21115&cid=C40904CFDA278A46 Link to comment Share on other sites More sharing options...
Billy Posted September 4, 2016 Share Posted September 4, 2016 Thanks, super helpful Link to comment Share on other sites More sharing options...
Strokermjcomanche Posted September 4, 2016 Share Posted September 4, 2016 Just got done reading this article and it suggests that the contacts are different , read and see what you think as I'm not great with wiring .. http://www.cherokeeforum.com/f2/xj-91-95-tcu-wiring-diagram-power-switch-mode-227672/ Link to comment Share on other sites More sharing options...
HOrnbrod Posted September 4, 2016 Share Posted September 4, 2016 Just got done reading this article and it suggests that the contacts are different , read and see what you think as I'm not great with wiring .. http://www.cherokeeforum.com/f2/xj-91-95-tcu-wiring-diagram-power-switch-mode-227672/ What article? :dunno: Link to comment Share on other sites More sharing options...
Strokermjcomanche Posted September 4, 2016 Share Posted September 4, 2016 Just got done reading this article and it suggests that the contacts are different , read and see what you think as I'm not great with wiring .. http://www.cherokeeforum.com/f2/xj-91-95-tcu-wiring-diagram-power-switch-mode-227672/ What article? :dunno:I tried to link just the article about the NSS , but I had to scroll down to find it on the link provided . I'll take some snap screen pictures of the thread so no one has to go hunting for it . Link to comment Share on other sites More sharing options...
Strokermjcomanche Posted September 4, 2016 Share Posted September 4, 2016 http://www.cherokeeforum.com/f2/tcu-pin8-wiring-problem-xj-226158/ Here it is Link to comment Share on other sites More sharing options...
HOrnbrod Posted September 4, 2016 Share Posted September 4, 2016 http://www.cherokeeforum.com/f2/tcu-pin8-wiring-problem-xj-226158/ Here it is Interesting - thanks. Link to comment Share on other sites More sharing options...
Jeepman Posted September 6, 2016 Share Posted September 6, 2016 Interesting Indeed so I just pulled both style apart and they are technically different just as posted.. Link to comment Share on other sites More sharing options...
HOrnbrod Posted September 6, 2016 Share Posted September 6, 2016 Interesting Indeed so I just pulled both style apart and they are technically different just as posted.. Okay - now I believe it. :thumbsup: Link to comment Share on other sites More sharing options...
Tanner Posted September 6, 2016 Share Posted September 6, 2016 Forgive my ignorance, but... NSS? Link to comment Share on other sites More sharing options...
gogmorgo Posted September 6, 2016 Share Posted September 6, 2016 Neutral safety switch. Only applies to automatic-equipped models. It tells the trans computer which gear you've selected, and prevents starting in any gear other than park or neutral. Link to comment Share on other sites More sharing options...
Tanner Posted September 6, 2016 Share Posted September 6, 2016 Oh gotcha yeah I'm familiar with a neutral safety switch I was totally in the dark with the acronym hahah. thanks! Link to comment Share on other sites More sharing options...
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