Topic Sponsor
Maintenance Shop Keep your Ford F150 truck running strong. Discuss all things maintenance here.
Sponsored by:
Sponsored by:

4x4 light intermittently doesnít illuminate

 
Old 02-08-2019, 10:02 PM
  #11  
Junior Member
Thread Starter
 
Join Date: Feb 2019
Posts: 11
Likes: 0
Liked 2 Times in 2 Posts
Default

It came with the Compustar remote start already installed, so Iím not sure on that one. I work a double shift tomorrow, so Iíll probably try the KAM reset on Sunday when I donít have to be to work in case it gets funky on the drive.
Alaskanmatt is offline  
Old 02-08-2019, 10:23 PM
  #12  
Sociopath Truckdriver
 
johnday's Avatar
 
Join Date: Jun 2014
Location: Barton City Michigan
Posts: 16,140
Liked 2,606 Times in 2,127 Posts
Default

Originally Posted by Alaskanmatt View Post
It came with the Compustar remote start already installed, so Iím not sure on that one. I work a double shift tomorrow, so Iíll probably try the KAM reset on Sunday when I donít have to be to work in case it gets funky on the drive.
Just remember, your throttle and shifting will be different than what you're used to, until the truck learns your style. Perfectly normal.
johnday is offline  
Old 02-08-2019, 11:56 PM
  #13  
Junior Member
Thread Starter
 
Join Date: Feb 2019
Posts: 11
Likes: 0
Liked 2 Times in 2 Posts
Default

Originally Posted by johnday View Post
Just remember, your throttle and shifting will be different than what you're used to, until the truck learns your style. Perfectly normal.
Good to know.

Update: I took the truck out for a dedicated test drive tonight to confirm for sure if the 4WD is working even when the light is off. I did the cold remote start and idle, sure enough there were no 4WD lights on the dash. Went up some icy hills in 2WD, then switched to 4HI when it started slipping. The 4WD definitely is working even when the lights arenít on. Could hear/feel it kick in with noticeably better control and power going up those slippery hills. I also switched it into 4LO on a couple quiet streets where I could stop and get into neutral. It definitely goes to 4LO just fine. Switching back from 4LO I had to try flipping the kn0b a couple times, it wouldnít switch back on the first try, but both times it did get back to 2WD after a couple kn0b cycles.
Alaskanmatt is offline  
Old 02-09-2019, 07:56 AM
  #14  
Mark
iTrader: (1)
 
techrep's Avatar
 
Join Date: Jan 2009
Location: Va. Beach, VA.
Posts: 34,410
Liked 1,806 Times in 1,629 Posts
Default

sounds like the transfer case shift motor is acting up..
techrep is offline  
Old 02-09-2019, 08:02 AM
  #15  
Sociopath Truckdriver
 
johnday's Avatar
 
Join Date: Jun 2014
Location: Barton City Michigan
Posts: 16,140
Liked 2,606 Times in 2,127 Posts
Default

That's all good news! I've been playing with 4X4s since 1976, and learned on the rare occasion that I used 4L, when it won't shift like you expect out of 4L, it can help to keep wheels straight, and go the opposite direction you were going for a few feet, then try again. The drive system can get a slight bind in it preventing shifting. When going the opposite direction, it will unbind. Just a little tidbit.
johnday is offline  
Old 02-09-2019, 08:56 AM
  #16  
Junior Member
Thread Starter
 
Join Date: Feb 2019
Posts: 11
Likes: 0
Liked 2 Times in 2 Posts
Default

Left a message with the Ford dealerís service department about having them look at it next week. I need to go in anyways to have them make a 2nd key (it was part of the purchase agreement that they would make me another copy since it only came with one). Hoping that if they hook it up to the computer they can tell me exactly whatís up with it, and that maybe itíll be powertrain-warranty related (it still has a little time left on that) or at least that they might work with me a bit since Iíve only had the vehicle a week.
Alaskanmatt is offline  
Old 02-09-2019, 09:12 AM
  #17  
Sociopath Truckdriver
 
johnday's Avatar
 
Join Date: Jun 2014
Location: Barton City Michigan
Posts: 16,140
Liked 2,606 Times in 2,127 Posts
Default

They should be able to find something there. When you find out what's going on, please post the results.
johnday is offline  
Old 02-09-2019, 09:21 AM
  #18  
Junior Member
Thread Starter
 
Join Date: Feb 2019
Posts: 11
Likes: 0
Liked 2 Times in 2 Posts
Default

Originally Posted by johnday View Post
They should be able to find something there. When you find out what's going on, please post the results.
Will do! I appreciate all the feedback, thanks. Truck did the same routine this morning. No 4x lights after cold remote start when changing the kn0b. Turned key off/on and all worked perfectly.
Alaskanmatt is offline  
The following users liked this post: Alaskanmatt
johnday (02-09-2019)
Old 02-09-2019, 11:15 AM
  #19  
Junior Member
Thread Starter
 
Join Date: Feb 2019
Posts: 11
Likes: 0
Liked 2 Times in 2 Posts
Default

Iím just spitballing here, but I am suspicious if it might be related to the aftermarket Compustar autostart. Iíve only had this issue after cold remote starts, and every time Iíve just turned the truck off/on with the key when it happens the 4x lights come on just fine. I will experiment this weekend with cold-starting/warming for 5 min with the key instead of autostart, brr.
Alaskanmatt is offline  
Old 02-09-2019, 11:32 AM
  #20  
Sociopath Truckdriver
 
johnday's Avatar
 
Join Date: Jun 2014
Location: Barton City Michigan
Posts: 16,140
Liked 2,606 Times in 2,127 Posts
Default

Hmm, never would have tied that in. You may be on to something.
johnday is offline  

Thread Tools
Search this Thread
Quick Reply: 4x4 light intermittently doesnít illuminate


Contact Us - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: