International Full Size Jeep Association
Home Forums Reader's Rigs Tech Library Trail Stories FSJ-List
International Full Size Jeep Association  

Go Back   International Full Size Jeep Association > Tire Kickin' > General FSJ Tech

Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 08-13-2017, 03:16 PM
GuySmiley GuySmiley is offline
Noob!
 
Join Date: Sep 09, 2012
Location: NC
Posts: 4
Headlights Out - 83 Wagoneer - Appreciate Help

Headlights (both low and high beam) not working today. Tails, parking, interior, plus horn, radio, etc. all working fine. Headlight units themselves are functional (tested in other vehicle). I tried replacing the floor hi/lo dimmer switch and cleaning the connector to that switch -- no change. I do have current to the hot (red) wire to the floor switch when I pull on headlight switch. (Although the current is intermittent -- but I think that's just because I'm not always producing a solid circuit when jamming my test light in there). I don't see a fuse spot in the under-dash panel related to headlights -- perhaps I'm missing something?

Would appreciate any expert guidance. I'm an idiot with electrical stuff, so please speak s-l-o-w and dumb it way down.

Many thanks!
Reply With Quote
  #2  
Old 08-20-2017, 11:04 PM
Joe Guilbeau Joe Guilbeau is offline
Bleedin' Gasoline
 
Join Date: Apr 17, 2002
Location: San Antonio, Texas
Posts: 2,137
Clean up the Black Ground Wires on the headlamp connectors. You indicate that you have voltage at the Beam Selector, and that you have replaced it.

So, that leaves either open power wires to the headlamps or grounds because the you indicate that the parking lights are functiona

The black wires on the headlight connectors splice into the ground wire for the parking lights. If the parking lights are good, and the Hi/Low beam selector switch have voltage on it, there is just a few things that it could be.

Eliminate the simplest things to check, then you will be left with the problem by elimination.

http://oljeep.com/gw/elec/83/83_FSJ_...ompartment.jpg

http://oljeep.com/gw/elec/83/83_FSJ_...-Underdash.jpg

http://oljeep.com/gw/elec/83/83_FSJ_...-Underdash.jpg
__________________
Joe Guilbeau<br />1983 Cherokee Laredo WT (SJ-17), 360/229/727/D44/D60 4.10 Gearing, 8-lug hubs, Edelbrock Performer w/EGR Intake, Mallory Unilite Series 47 Photo-Optic Infrared Trigger Vacuum Distributor, Mallory Surge Protector, Mallory Promaster Coil, Holley Pro-Jection TBI 502-Analog, FlowKooler High Output Water Pump, Staggered 4-Core Custom Industrial Radiator, HD Fan Clutch, Dual Electric Fans, CS130 Delco 105-Amp Alternator, Oil Bypass Mods at Rear of Block and Distributor Oiling, Superlift 4\" Suspension, Rancho RS5000\'s, Hi-Tech 31\" Re-Treads, Aero 33 Gal Tank w/Skid Plate, Custom Rear \"Longhorn\" Bumper
Reply With Quote
  #3  
Old 08-22-2017, 03:13 PM
GuySmiley GuySmiley is offline
Noob!
 
Join Date: Sep 09, 2012
Location: NC
Posts: 4
Thanks and resolved

Joe G - thanks for your super helpful and detailed post.

Turned out to just be a defective switch in the dash. On my 83 it's the old pull kind -- rotate for interior/dash lights (worked), pull out halfway for running lights (worked), pull out all the way for headlights (corroded/fried). Replaced the switch and I'm back in business -- and passed inspection for the LAST time in NC, as the state exempts vehicles 35+ years old
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
1983 Wagoneer Build Kansas_Nova General FSJ Tech 69 12-24-2015 06:09 PM
Wagoneer owners here in Montana are dangerous men! Hartman General FSJ Discussion 16 06-16-2011 10:28 PM
First wagoneer camping trip. MikeinColorado General FSJ Discussion 22 06-14-2011 11:40 AM
V-12 in a 1977 Wagoneer! Out of the Bill Harrah Collection after he died. H Callaway General FSJ Discussion 29 03-07-2007 06:17 AM
Restore current `85 Wagoneer, or buy new one?? ORIGSUV General FSJ Discussion 8 02-18-2007 08:45 PM


All times are GMT -6. The time now is 02:02 PM.


Powered by vBulletin Version 3.5.4
Copyright ©2000 - 2022, Jelsoft Enterprises Ltd.
corner corner