what would cause no headlights or high beams have running lights and i can flash the highbeams

mgl540
10

Asked by Oct 02, 2013 at 09:13 PM about the 2000 Ford F-350 Super Duty Lariat 4WD Crew Cab LB

Question type: Maintenance & Repair

i have a 2000 f350 i turn on the headlights they wont come on the high beams wont come on either  i can flash the hi beams by pulling back on the dimmer swtch i have marker lights what the heck is goin on anybody run across this before.??????

7 Answers

Goodwrench707
6,065

Check your fuses first. Dose you truck have daytime running lights(DRL)?

3 out of 3 people think this is helpful.
mgl540
10

fuses all check out an it does not have drl or auto headlight switch iam leaning towards the dimmer but not sure i dont want to throw parts at it

Goodwrench707
6,065

Power for low and high beams goes through the headlight and dimmer switch. Flash-to-pass, goes around the headlight switch, straight to the dimmer. It still can be either part. With the headlight switch in the "on" position, check for power at the Red w/yellow stripe wire at the headlight switch. If you have power there, it's a bad dimmer switch. If there is no power, then it's the headlight switch.

3 out of 3 people think this is helpful.
mgl540
10

thank you i will give it a shot

1 out of 1 people think this is helpful.
jcks
50

Hey, I have the same problem. I've replaced the dimmer switch and the head light switch. I have new bulbs, I've done the pigtail to the headlights but still doesn't work. I've checked all of my fusses as well. Can anyone help? Thank you!

5 out of 5 people think this is helpful.
Brandon McCubbin
30

Hey jcks did you find a solution to your problem. I need help as well

3 out of 3 people think this is helpful.
stoobbee
0

Same problem here with 02 F350 7.3 Diesel. Replaced lamps, dimmer. My problem is a short in the steering column, as I could get them to come back on by moving it. Now completely dead and am searching through the wiring to find the short.

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