No Headlights With The Truck Running - Dodge Diesel - Diesel Truck Resource Forums

Notices
2nd Gen. Dodge Ram - No Drivetrain Discussion for all Dodge Rams from 1994 through 2002. Please, no engine or drivetrain discussion.

No Headlights With The Truck Running

Reply

 
 
 
Old 07-11-2018, 10:40 PM
  #1  
Registered User
Thread Starter
 
madmax44's Avatar
 
Join Date: Jun 2009
Location: SE Arizona
Posts: 46
Thanked 0 Times in 0 Posts
No Headlights With The Truck Running

Coming home from dinner tonight just getting dark down a long desert highway, noticed I had no headlights (low, or high). When we got home I shut the truck down and turned the switch on and I had lights. Could it be the ignition cylinder when in the on position? Oh the fog lights were working. Thanks guys!
madmax44 is offline  
Reply With Quote
Old 07-12-2018, 12:28 AM
  #2  
Registered User
 
AlpineRAM's Avatar
 
Join Date: Nov 2001
Location: Austria Europe
Posts: 2,878
Thanked 65 Times in 61 Posts
Please check if it's the difference between 2 key positions or the difference between engine running vs not.
AlpineRAM is offline  
Reply With Quote
Old 07-12-2018, 05:27 AM
  #3  
Registered User
Thread Starter
 
madmax44's Avatar
 
Join Date: Jun 2009
Location: SE Arizona
Posts: 46
Thanked 0 Times in 0 Posts
Originally Posted by AlpineRAM View Post
Please check if it's the difference between 2 key positions or the difference between engine running vs not.
ACC=Lights, Lock=Lights, OFF=Lights, On=No Lights
madmax44 is offline  
Reply With Quote
Old 07-12-2018, 07:52 AM
  #4  
Registered User
 
AlpineRAM's Avatar
 
Join Date: Nov 2001
Location: Austria Europe
Posts: 2,878
Thanked 65 Times in 61 Posts
OK that looks like the ignition switch. Sometimes the "finger" that deactivaes unnecessary things while starting gets worn away.
Maybe you can find that if you wiggle the key in the "on" position that you have some flickers of light. That would pinpoint it. (Check in the dark..)

Do also check for burnt wires close to the switch.
In case you have daytime running lights: The DTRL module can cause similar problems..
AlpineRAM is offline  
Reply With Quote
Old 07-12-2018, 09:46 AM
  #5  
Registered User
Thread Starter
 
madmax44's Avatar
 
Join Date: Jun 2009
Location: SE Arizona
Posts: 46
Thanked 0 Times in 0 Posts
Sorry to waste your time AlpineRam, but this morning it hit me before I walked out to the truck what the problem was. Two weeks ago I had the truck in a local shop getting the evaporator changed out and when they where dropping the steering column and pulling the dash he hit my plow/truck toggle light switch! I should have figured that out immediately on the road when I had no lights! Thanks anyway!
madmax44 is offline  
Reply With Quote
Old 07-12-2018, 10:20 AM
  #6  
Registered User
 
AlpineRAM's Avatar
 
Join Date: Nov 2001
Location: Austria Europe
Posts: 2,878
Thanked 65 Times in 61 Posts
No problem.
I never thought about a plow wiring harness. Funny that it's wired like that...

Cool that it's solved!
AlpineRAM is offline  
Reply With Quote
The Following User Says Thank You to AlpineRAM For This Useful Post:
madmax44 (07-12-2018)
 
 
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
GageMarzigliano
1st Gen. Ram - All Topics
16
11-20-2014 11:40 AM
04ctd
3rd Generation Ram - Non Drivetrain - All Years
2
09-03-2013 07:03 PM
black&blue
12 Valve Engine and Drivetrain
6
02-18-2009 08:32 PM
06CTDforAU
3rd Gen High Performance and Accessories (5.9L Only)
15
01-20-2008 02:26 AM


Thread Tools
Search this Thread
Quick Reply: No Headlights With The Truck Running


Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

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.