81 Monte all lights work except the head lights

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Jeff

Not-quite-so-new-guy
Apr 29, 2017
5
6
3
I was driving in a dark mountain pass with my high beams on when I hear a pop sound under the dash. My headlights went dark. I checked under the dash all fuses seem to be OK. I drove the 15 miles home at 20 miles an hour with the flashers on. All lights work except the head lights I have no low or high beam. Is there a fuse somewhere for headlights under the hood? on the fire wall? or under the dash? that I am missing? I heard a pop under the dash before the lights went out but visual inspection shows nothing out of the ordinary. Does anyone have a color coded head light switch diagram they can share?
Thanks,
Jeff
 

malibujustin

Master Mechanic
Mar 11, 2017
333
424
63
Yikes...I think there is a site called maliburacing.com that has a bunch of wiring diagrams. I assume the basic wiring across most of the g bodies are the same. The site breaks each section down pretty good. May help some.
 

Rudy913

G-Body Guru
Feb 26, 2016
646
68
28
New Orleans
IMG_1977.PNG
I've had this problem When I click my high beam and low beam on so many times I guess the clip broke And my headlight wouldn't work but all my other lights would
,what I did which solve the problem was run a hot wire into the negative and the positive side of the switch which solve my problem
 

pontiacgp

blank
Mar 31, 2006
29,270
20,391
113
Kitchener, Ontario
It sounds like the thermal breaker in the headlight switch blew.

Headlights.jpg
 
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pontiacgp

blank
Mar 31, 2006
29,270
20,391
113
Kitchener, Ontario
Yea when I tried to click from high beam to low beam it wouldn't click .

that isn't the switch I was referring to, if the hi/lo switch isn't working the headlights will still work, they'd be stuck on high or low
 

oxide80

Greasemonkey
Sep 10, 2016
125
64
28
Maine
Just for the heck of it did you check the bulbs? Ran into it years ago with a customer who said they heard a snap and all headlights went out, tech spent an hour testing things before he found all 4 bulbs blown.....
 
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Bar50

Royal Smart Person
Jan 1, 2009
1,180
870
113
Tulsa, OK
Checked the fuse box?
 
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