autolamp not working
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New User
Joined: Dec 2012
Posts: 5
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From: Rural Manitoba
autolamp not working
HI all;
I have a 2002 F150 FX4 Lariat, and last week while driving at night with the light switch turned to autolamp the lights suddenly started turning on and off rapidly and there was a clicking noise, which I assume was a relay cutting out. I turned the headlamp switch to the on position and the lights stayed on. When I got home the lights would not turn off, and when I turned it to autolamp the blinking started again, but in any other position the lights stayed on. I had to unhook the battery. I then purchased a new headlamp switch and my ford mechanic buddy installed it, but now the autolamp feature will not work. My buddy is away so I am looking to the forum for advice. Is there a relay that may have got cooked?
I have a 2002 F150 FX4 Lariat, and last week while driving at night with the light switch turned to autolamp the lights suddenly started turning on and off rapidly and there was a clicking noise, which I assume was a relay cutting out. I turned the headlamp switch to the on position and the lights stayed on. When I got home the lights would not turn off, and when I turned it to autolamp the blinking started again, but in any other position the lights stayed on. I had to unhook the battery. I then purchased a new headlamp switch and my ford mechanic buddy installed it, but now the autolamp feature will not work. My buddy is away so I am looking to the forum for advice. Is there a relay that may have got cooked?
Fleet Mechanic
Joined: Jul 2010
Posts: 1,354
Likes: 31
From: Winnipeg
For Autolamps without Daytime Running Lights there is headlight and park lamp relays in aux relay box #3 behind right center of dash. For autolamps with drl there's also aux relay box #2 behind right side of dash which hold relays 1 and 2 for drl.
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