Headlight Troubles - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 12-02-2012, 01:01 PM Thread Starter
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Headlight Troubles

Hello everyone. I have an 07, f-250 with headlight issues. The headlights will not always turn on. At first they would turn on after a few minutes of leaving the switch on, now they don't turn on at all. I have checked fuses and bulbs, all good. All other lights turn on and function properly when headlight switch is turned on. If I switch to high beams, those function properly.

Thank you all for your time and knowledge.

2007 F-250 Harley-Davidson
SCT Livewire
AFE Intake
Magnaflow Exhaust
Snuglid “SL” Tonneau Cover
Kenwood DDX-6019
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2 JL Audio W1's
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Last edited by bigsal; 12-14-2012 at 02:24 PM. Reason: Added more information.
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post #2 of 5 Old 12-14-2012, 02:25 PM Thread Starter
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UPDATE---

I have since replaced the headlight switch and the multifunction switch and the low beams still won't turn on.

Any input would be greatly appreciated.

2007 F-250 Harley-Davidson
SCT Livewire
AFE Intake
Magnaflow Exhaust
Snuglid “SL” Tonneau Cover
Kenwood DDX-6019
Kenwood 7012 Amp
2 JL Audio W1's
FS 2500
Predator Air Fury
Accufab Polished Intake Elbow
[/SIZE]
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post #3 of 5 Old 12-14-2012, 02:45 PM
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It may be a headlight relay. I'd check under hood fuse box and see if there are any relays in there that may have gone bad either the contacts or the coil. I maybe sending you on a wild goose chase but may be worth looking for relays


David


"Hold my beer and watch this"

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Last edited by RedneckYankee; 12-14-2012 at 02:48 PM. Reason: Posted before done commenting
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post #4 of 5 Old 12-14-2012, 04:26 PM Thread Starter
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Quote:
Originally Posted by RedneckYankee View Post
It may be a headlight relay. I'd check under hood fuse box and see if there are any relays in there that may have gone bad either the contacts or the coil. I maybe sending you on a wild goose chase but may be worth looking for relays
Is there a way to test the relay?

2007 F-250 Harley-Davidson
SCT Livewire
AFE Intake
Magnaflow Exhaust
Snuglid “SL” Tonneau Cover
Kenwood DDX-6019
Kenwood 7012 Amp
2 JL Audio W1's
FS 2500
Predator Air Fury
Accufab Polished Intake Elbow
[/SIZE]
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post #5 of 5 Old 12-14-2012, 06:16 PM
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If you can determine what two terminals are the coil and what two are the normally open contacts. Apply 12VDC to the coil terminals and check for continuity with a ohm meter. Not for sure if there would be a diagram on the relay or not. If not you should have a resistance reading across two terminals and the other two would be open. Like I said not really even sure that there is a headlight relay but I'm thinking there should be especially with auto on lights.


David


"Hold my beer and watch this"

2005 Excurstion Limited RWD
Sinister EGR Deleate
SCT Tuner MPT Custom Tune Econ/Perf
Dash Boss Monitor
Blue Spring Upgrade
Nitto Terra Grappler 285/75/16
Bilstien 4600 shocks
No Kitty
4" Straight piped
Studded
Updated Stand pipes and Dummy Plugs


1996 F250 XCLB 4x4
4" Ruff Country Lift
Ruff Country N2O Shocks
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