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Aug 16, 2013 | 01:59 AM

Rooster1982

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Head Lights

Question, I have a 1989 F250 and when I turn on the headlights they dont turn on. The brake, and parking light all turn on. Where should I start looking at for the problem?

Aug 16, 2013 | 07:09 AM

DBGrif91

Cargo Master

Joined: Jul 2009

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From: Des Moines

Check the fuse to start. If that isn't the problem, you may have a bad headlight switch. Or it's possible they're both burnt out.

Aug 16, 2013 | 07:36 AM

tjc transport

i ain't rite

Joined: Mar 2005

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From: Marlboro Mental Hospital.

pull back the carpet and check the connections on the dimmer switch.
my money is on bad connections or the switch connections rotted off.

Aug 16, 2013 | 07:51 AM

parkerparkerm

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Joined: Jun 2012

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From: Plant city florida

ill say fuses or dimmer switch. we tried to run my headlights on my 85 f250 without the dimmer switch hooked up and found they wont come on with the dimmer switch not hooked up. i used a switch from my 77 and it worked also.

Aug 16, 2013 | 05:08 PM

Rooster1982

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I just the fuse box and the number the number 11 fuse which controls the headlights has power running through it and I just replaced the switch...still no luck....

Aug 16, 2013 | 06:01 PM

tjc transport

i ain't rite

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From: Marlboro Mental Hospital.

replaced the headlight switch or the dimmer switch?

Aug 16, 2013 | 11:02 PM

Rooster1982

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I replaced the headlight switch left side of the steering wheel. Where is the dimmer switch located?

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Aug 17, 2013 | 09:36 PM

IhDriver

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Joined: May 2013

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From: Quebec, Canada

And if all else fails, check the grounds. Shouldn't be too far away from each plug to the bulb. 9 times out of 10, wiring problems come down to the ground being corroded/rusted.

Aug 18, 2013 | 09:04 AM

#10

Conanski

FTE Legend

Joined: Jun 2006

Posts: 31,930

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From: Ottawa, Ontario

I vote dimmer switch.. I had the same problem on my truck and that's what it was.

Aug 23, 2013 | 02:02 AM

#11

Rooster1982

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Thanks for the support. It was the dimmer switch. Sorry it took so long to reply but just picked up a 2013 f150 5.0. Still am working on rebuilding the 89 f 250.