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Unread 12-16-2008, 01:15 AM   #1
joe130
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NP241J Rock Trac Transfer Case 4WD Switch REVEALED!!

So, everyone wants a 241, right? Some of us even buy them from aftermarket companies who call them a "NVG241OR" (by the way, there's no such thing). I happened to get one of these and wanted to put it in my '98 TJ. Like many other TJ owners who do this swap, I had no idea how to make the 4WD switch work. You may say "Why do you care if the light works or not?". Two reasons, really. One, I have a set of ARB locked axles about to go in. I think I'll have some piece of mind if I wind the solenoids through the ground to this light. This will keep me (or a passenger) from accidentally pushing the locker button and locking my diffs on the highway at 60 MPH. That would really suck. I'll only be using them in 4WD anyway. The other reason is that I just like my stuff to work like it's supposed to.
That being said, I researched the switch and found that there's one company who will sell you a switch that will work and a pigtail FOR $100!!
I researched it and here's the skinny. These guys (who also sell the "NVG" cases) are selling you switches for DOUBLE what I got the same thing for. Now, I know... "they did the research..." . So did I. Unlike them, I'm a real Jeeper, so I'll share the info for you....FREE OF CHARGE.

Buy these parts..
ACDELCO PT724. I found it for under $20 online. This is the pigtail you'll need.
AIRTEX 1S4219. I found this one for $28 online. This is the switch.

Here's the parts:
The Pigtail:
The Switch:

Step 1: Take out the 241's switch. Take the O ring off it (be careful because you'll need it)

Step 2: Put the O ring on your new switch:



Step 3: Install the switch in your 241.

Step 4: Pull pigtail and wires out of the wire wrap and cut off the connector. Strip the wires back about a half an inch. (This is a rear PITA if your 241 is installed)


***NOTE: My camera ran out of juice at this point, and I couldn't wait to finish. These steps are pretty self explanatory, though. Let me know if you have any questions...

Step 5: Cut the new pigtail to a reasonable length. Strip the wire ends about a half inch on the pigtail.

Step 6: You chose, crimp connectors (provided with the pigtail) or solder the wires together. There is no polarity, so just connect one to one and the other to the other. Use heat shrink or electrical tape to seal the joint up.

Step 7: Put the wires back in the factory wire wrap and use some electrical tape at the end to keep it closed.

Step 8: Plug the pigtail into the switch.

Step 9: Take a look at the wires above the transmission and transfer case. Make sure they're not in a position to get caught up in the gear shifter or the TC shifter.

Step 10: Test it out.

Step 11: **Most important** Figure out a way that other Jeepers can save a buck that other people are trying to (basically) steal from us... then post that on Jeepforum.com

I hope this post helps anyone looking for this solution. I have seen a lot of posts with people trying to figure it out. If you have any questions, post it and I'll do what I can to answer it.

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Unread 12-16-2008, 05:51 AM   #2
mrbates
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nice man, i remember reading about others having switch issues, i think this will help them. thanks for posting
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Unread 12-16-2008, 06:07 AM   #3
tooofast
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Originally Posted by Derek B View Post
nice man, i remember reading about others having switch issues, i think this will help them. thanks for posting
Thanks...that is great work and you are the man ..


I did some cool stuff with the skid plate and made a mount for the 241 like this one.

so with this set up and if i can ever get my rear brakes sorted out I'll be back wheeling!!

Thanks again..

Dave
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Unread 12-16-2008, 09:49 AM   #4
cincytj
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Hey great job thanx, where was your online source?
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Rubi d44 both ends, Crane Diff Covers, Rock trac t-case
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Unread 12-16-2008, 10:52 AM   #5
joe130
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I just used google shopping to find the part. You can literally cut and paste the part numebrs that I've posted. That's where the prices came from. I got both of them are from Rock Auto. Fast shipping, too. Even to Hawaii. You can find used parts online sometimes, but for such a small savings, I would just buy the new stuff. Good luck with your install. It should be easy now!
-Joe
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Unread 12-17-2008, 01:47 PM   #6
Brew461
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Good find thanks
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Unread 12-17-2008, 01:54 PM   #7
JBWood05TJ
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Well done, sir. I did the 241 swap last spring and have just lived without since. I'm going to do this mod. Thanks for the effort and the share.
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Unread 12-18-2008, 01:28 PM   #8
joe130
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Thanks, brother. Like I said... just find something you can do to help other Jeepers save $$ or make thier rig better, post it and then we're even.
Joe
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Unread 02-12-2009, 06:21 AM   #9
draganov
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Great write up very useful
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Unread 11-02-2009, 04:50 PM   #10
472cid
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that looks just like the pigtail and switch on my 97 wrangler with a 231
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1997 Jeep Wrangler 5.0 ho gt40p motor w/ e303 cam, ax15 trans. 241j rock trac transfer case from 05 rubicon. 05 front rubicon 44 with yukon chromoly shafts and rear rubicon dana 44 and rubicon rims with 33x11.50x16 mtrs
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Unread 11-02-2009, 07:31 PM   #11
mrblaine
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Quote:
Originally Posted by 472cid View Post
that looks just like the pigtail and switch on my 97 wrangler with a 231
Why yes, yes it does, at first glance that is. Then you figure out that the 231 switch closes the circuit opposite of what is needed for the 241 and the Weather Pak connector has slots in it that won't let it plug directly into the switch. Other than that, they are identical.
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Unread 01-04-2010, 12:51 AM   #12
CRAWLING 98
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Quote:
Originally Posted by joe130 View Post
So, everyone wants a 241, right? Some of us even buy them from aftermarket companies who call them a "NVG241OR" (by the way, there's no such thing). I happened to get one of these and wanted to put it in my '98 TJ. Like many other TJ owners who do this swap, I had no idea how to make the 4WD switch work. You may say "Why do you care if the light works or not?". Two reasons, really. One, I have a set of ARB locked axles about to go in. I think I'll have some piece of mind if I wind the solenoids through the ground to this light. This will keep me (or a passenger) from accidentally pushing the locker button and locking my diffs on the highway at 60 MPH. That would really suck. I'll only be using them in 4WD anyway. The other reason is that I just like my stuff to work like it's supposed to.
That being said, I researched the switch and found that there's one company who will sell you a switch that will work and a pigtail FOR $100!!
I researched it and here's the skinny. These guys (who also sell the "NVG" cases) are selling you switches for DOUBLE what I got the same thing for. Now, I know... "they did the research..." . So did I. Unlike them, I'm a real Jeeper, so I'll share the info for you....FREE OF CHARGE.

Buy these parts..
ACDELCO PT724. I found it for under $20 online. This is the pigtail you'll need.
AIRTEX 1S4219. I found this one for $28 online. This is the switch.

Here's the parts:
The Pigtail:
The Switch:

Step 1: Take out the 241's switch. Take the O ring off it (be careful because you'll need it)

Step 2: Put the O ring on your new switch:



Step 3: Install the switch in your 241.

Step 4: Pull pigtail and wires out of the wire wrap and cut off the connector. Strip the wires back about a half an inch. (This is a rear PITA if your 241 is installed)


***NOTE: My camera ran out of juice at this point, and I couldn't wait to finish. These steps are pretty self explanatory, though. Let me know if you have any questions...

Step 5: Cut the new pigtail to a reasonable length. Strip the wire ends about a half inch on the pigtail.

Step 6: You chose, crimp connectors (provided with the pigtail) or solder the wires together. There is no polarity, so just connect one to one and the other to the other. Use heat shrink or electrical tape to seal the joint up.

Step 7: Put the wires back in the factory wire wrap and use some electrical tape at the end to keep it closed.

Step 8: Plug the pigtail into the switch.

Step 9: Take a look at the wires above the transmission and transfer case. Make sure they're not in a position to get caught up in the gear shifter or the TC shifter.

Step 10: Test it out.

Step 11: **Most important** Figure out a way that other Jeepers can save a buck that other people are trying to (basically) steal from us... then post that on Jeepforum.com

I hope this post helps anyone looking for this solution. I have seen a lot of posts with people trying to figure it out. If you have any questions, post it and I'll do what I can to answer it.
Thanks for all the good information. I am installing my 241 today and came up with all the same questions
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Unread 01-04-2010, 05:23 AM   #13
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very sweet info bud!
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Jeepinmichguy is a jerk.
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How about this, if you had the Jeep Spirit, you wouldn't abuse the rest of us trying to enjoy a nice day out wheeling by bringing your brokeass broken down junkyard crap out to play where it can't handle it?
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you all have nice rigs, stop being f****** a**holes.
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Unread 05-18-2010, 01:50 PM   #14
Deacon
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Bump for incredible helpfulness. I just ordered the ACDelco PT724 pigtail from Amazon.com for $18.67 (2-day free shipping with Prime account), and the AIRTEX 1S4219 4WD indicator light from RockAuto for $30.99 ($34 even, with shipping).

I'm anticipating doing this swap in the next couple of months.
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Unread 05-18-2010, 01:59 PM   #15
BoneyMan
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Bravo!
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