ftpiercecracker1 Posted April 4, 2013 Share Posted April 4, 2013 There are two electrical plugs that have never been in use since the day i bought my truck and was wondering if anyone had an idea. Both plugs have a significant amount of wiring, so they clutter up the engine bay, something i would like to address. Plug #1 I am almost certain this was for factory fog lamps, but the truck has never had them. Image Not Found Image Not Found Plug #2 Totally clueless Image Not Found Image Not Found This is another plug that i would to get rid of. I am fairly certain it is for the shift light in the dash, which i find pointless. Image Not Found Even though there are four wires going into and out of the above plug, only two are being used. Image Not Found Is there any reason to keep the above plugs? What are they even for? Thanks, ftpiercecracker Link to comment Share on other sites More sharing options...
64 Cheyenne Posted April 4, 2013 Share Posted April 4, 2013 First one - fog Second - ? aux fan or fan switch Last from tranny - back up light switch These jeeps had a lot of "extra" plugs that went to stuff that wasn't installed, I wouldn't cut any out, I would clean them up and leave them in place. Far as I can tell, you need or could potentially need the three plugs you referenced. Easy add on fogs and aux fan.... But you definitely need the one that goes to the transmission. Under the dash, don't look if you don't like plugs that go nowhere....lol Link to comment Share on other sites More sharing options...
jimoshel Posted April 4, 2013 Share Posted April 4, 2013 First one - fog Second - ? aux fan or fan switch Last from tranny - back up light switch These jeeps had a lot of "extra" plugs that went to stuff that wasn't installed, I wouldn't cut any out, I would clean them up and leave them in place. Far as I can tell, you need or could potentially need the three plugs you referenced. Easy add on fogs and aux fan.... But you definitely need the one that goes to the transmission. Under the dash, don't look if you don't like plugs that go nowhere....lol Good advice, on all of the above. Just tape them up out of the way. Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted April 4, 2013 Author Share Posted April 4, 2013 To be honest, all the wiring under my dash actually looks pretty good. But that's because I spent days tracing, cutting, and pulling out all those extra plugs. Yes everything does still work. I can't imagine the unknown plug is for an E fan, because my stock unit is already accounted for and I have yet to hear of an MJ that came with dual E fans. Appreciate the input guys. Ftpiercecracker Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted April 4, 2013 Author Share Posted April 4, 2013 Next question, I have never been able to determine with 100% certainty which setup my jeep has when it comes to the bank of relays on the Passenger side fender well. These are the two diagrams that i have come across. FYI The inside of my door says 89 4.0, it is one of the last to be made in 89. Link to comment Share on other sites More sharing options...
maddzz1 Posted April 4, 2013 Share Posted April 4, 2013 Those two pics of the relays are the same, just taken from opposite sides. First pic is from the view of the pass side, the other is the view from the drivers side. Link to comment Share on other sites More sharing options...
87manche1 Posted April 4, 2013 Share Posted April 4, 2013 Yea but if u flip one they don't match up theyre reversed Link to comment Share on other sites More sharing options...
fiatslug87 Posted April 5, 2013 Share Posted April 5, 2013 Plug #2 is the outside temperature sensor used with the XJ overhead console. My '90 MJ has it here's a picture of one I pulled from a '90 XJ, sensor on the left My fog connectors do not look like plug #1 they look like this Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted April 5, 2013 Author Share Posted April 5, 2013 Picture #2 This diagram is accurate to mine as far as the fuel pump. Image Not Found Picture #1. Image Not Found Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted April 5, 2013 Author Share Posted April 5, 2013 Plug #2 is the outside temperature sensor used with the XJ overhead console. My '90 MJ has it here's a picture of one I pulled from a '90 XJ, sensor on the left I spent 3 hrs tracing this plug and on mine it was for the power/comfort switch, which doesnt exist because its a 5spd. As for the other plug i just popped the terminal out of the plug instead of cutting wires. Link to comment Share on other sites More sharing options...
fiatslug87 Posted April 5, 2013 Share Posted April 5, 2013 Where did you find your #2 connector? Mine is in the front below the radiator and runs to the passenger side. Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted April 5, 2013 Author Share Posted April 5, 2013 Mine has been stuffed under the coolant bottle. But i have since traced the wires and found they went to a plug inside the cab that then went from there to a switch that never did anything. Its been a very long time since i removed the switch, so i have no idea what it might have been originally for, but i do know from seeing factory setups that it was most likely for power/comfort. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now