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1981 Ford F-250 Headlights

Tiny
DODGENWW
  • MEMBER
  • 1981 FORD F-250
  • 4.9L
  • 6 CYL
  • 4WD
  • MANUAL
  • 182,000 MILES
Ok I bought new headlights and new head light switch and for some reason I can't get my low beams to work but my high beams work. I bought new light cause old ones were burned out
Monday, February 9th, 2015 AT 8:07 PM

7 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try replacing dimmer switch on floor they get corroded and do that
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Tuesday, February 10th, 2015 AT 5:51 AM
Tiny
DODGENWW
  • MEMBER
  • 56 POSTS
Ok I replaced dimmer switch and put new plugs on lights now the brights work but the passenger side low beam still don't work so wat else can I do
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Thursday, February 12th, 2015 AT 6:03 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check to see if there is any power coming through the connector and if ground is good if the connector is bad you can get a new one at auto parts. If no power in wire then you'll have to trace wire back to see where it's broken. One wire is low one is high and the other is ground.
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Friday, February 13th, 2015 AT 5:52 AM
Tiny
DODGENWW
  • MEMBER
  • 56 POSTS
The top wire is the one that doesn't get power
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Friday, February 13th, 2015 AT 7:06 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It's probably broken between the headlight that works and the one that doesn't so follow the harness and find and repair it.
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Friday, February 13th, 2015 AT 9:34 AM
Tiny
DODGENWW
  • MEMBER
  • 56 POSTS
If I take a test light and test the wires all but one works and the one that doesn't is just a wire going to the other light
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Saturday, February 14th, 2015 AT 4:01 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Then there is a short or the wire is broken and that is why your light doesn't work do what I said in last reply
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Saturday, February 14th, 2015 AT 4:30 PM

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