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I have a f 150 that my lights will not turn off after the engine has been started and I have no running lights. where due I start looking for the problem?
First make sure tha "auto lamp" switch is turned off if you have it. It will be to the far right of your headlight switch, one of the "wheels". The sensor for it can get dirty or covered by something and it will always think it's dark out, it also has sensitivity adjustment thru the ****. The sensor is in the middle-top of the dash (tiny grill).
Thanks but my truck does not have the auto headlight switch.
This problem occur when I brought my truck back from the dealer
A recall for the speed control module. dealer sez they had nothing to do with the headlights.
Check all fuses(of couse) and any connectors under dash that may have been up-plugged by dealer. This sounds like a possible relay problem but is probably due to something the technician did at the shop. It is common for them to tell you that it couldn't be related but the fact is you never had this problem before you took it to them. Try calling back and talking to service manager about this. Be firm but curtious. Don't let them shuffle you out the door. If it comes to it, demand they at least take a second look at the work they did and see if could be related. At worst you will waste some of your time. Good luck!