Headlight problem
#1
Headlight problem
I have a 1991 F-150. About 2-3 weeks ago I was driving home and my marker lights shut off. I pulled over and pushed the switch back in and back out, but the headlights were the only thing that came on. The switch has two settings, one for markers, other for headlights. When i pull it out to the marker lights setting, nothing happens. When i pull it out to the headlights setting, only the headlights come on. I have to find the point between the two settings where both lights will come on as my dash illuminates with it. Since it's getting darker by the day and will start raining soon, i need to get this fixed. A new headlight switch didn't work, and wouldn't even have both come on so i stuck with the old one. My highbeams still work just fine also. I have started checking grounds but so far, no luck. My truck isn't even road safe right now and cops are starting to get suspicious. Please any info would be great, thank you.
#3
Yes. All fuses look good. On the back of the tan plug that fits into the headlight switch, the two red wire connectors had turned brown and expanded due to heat. Replaced those and still no luck.
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#9
Senior Member
I just googled looking for an answer and it seems you're right.
OP, if u have a volt meter u can check the contacts on the switch to see if the switch is delivering power. If so, your wire is probably burnt up somewhere between the switch and the lights.
And make sure you're getting power to the switch in the first place.
OP, if u have a volt meter u can check the contacts on the switch to see if the switch is delivering power. If so, your wire is probably burnt up somewhere between the switch and the lights.
And make sure you're getting power to the switch in the first place.