Headlights on all the time???

SilveREDo · August 29, 2005

I just bought my '01 Z71 and I have noticed that my headlights are on all the time. Even during the day. Is this normal? I thought that the DRL's were supposed to be on during the day, not the headlights.

Rookie · August 29, 2005

On my Yukon the DRL's are the head lights

SS Crew · August 29, 2005

Take that newspaper off the top of the dash.

SilveREDo · August 29, 2005

Well, correct me if I am wrong but I am under the understanding that the DRL's are the lights between the two parking lights. This is correct, right?

Shawn T · August 29, 2005

Well, correct me if I am wrong but I am under the understanding that the DRL's are the lights between the two parking lights. This is correct, right?

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You are correct. The photocell for the headlights is located on top of the dash, in the center, beneath the windshield. If it is obstructed or covered it will read "dark" and activate the headlights. If it is not covered and in the direct sunlight and your headlights are still on, chances are it has gone bad and needs to be replaced. You should be able to to pull it out and read the voltage drop across the input lead and the lead to the headlights during daylight. It should be zero and the voltage across the load resistor to ground should be 12V. Vise versa for a "dark" reading.

chuck16 · August 29, 2005

You are correct about the Sensor I have wired mine parallel with a switch with a half watt 1.5 K Ohm Resistor. This way I have control over the Automatic Headlights. It is possible that your Dash Sensor is Broken or has simply become unplugged.

If you remove your Dash Trim Ring and Pull out your Radio You'll see where the Sensor is and the wiring that goes to it. It's not a pretty thing to get in or out but, it may shine some light on your situation.

SilveREDo · August 29, 2005

You are correct about the Sensor I have wired mine parallel with a switch with a half watt 1.5 K Ohm Resistor. This way I have control over the Automatic Headlights. It is possible that your Dash Sensor is Broken or has simply become unplugged.
If you remove your Dash Trim Ring and Pull out your Radio You'll see where the Sensor is and the wiring that goes to it. It's not a pretty thing to get in or out but, it may shine some light on your situation.

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OK, will check tonight to see if it is just unplugged. I am installing an aftermarket stereo anyway.

DEV1ST8R · August 30, 2005

You are correct about the Sensor I have wired mine parallel with a switch with a half watt 1.5 K Ohm Resistor. This way I have control over the Automatic Headlights. It is possible that your Dash Sensor is Broken or has simply become unplugged.
If you remove your Dash Trim Ring and Pull out your Radio You'll see where the Sensor is and the wiring that goes to it. It's not a pretty thing to get in or out but, it may shine some light on your situation.

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That is a sweet truck man!

chuck16 · August 30, 2005

You are correct about the Sensor I have wired mine parallel with a switch with a half watt 1.5 K Ohm Resistor. This way I have control over the Automatic Headlights. It is possible that your Dash Sensor is Broken or has simply become unplugged.
If you remove your Dash Trim Ring and Pull out your Radio You'll see where the Sensor is and the wiring that goes to it. It's not a pretty thing to get in or out but, it may shine some light on your situation.

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That is a sweet truck man!

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Hey Thanks...

firefighteremt3100 · August 31, 2005

You are correct about the Sensor I have wired mine parallel with a switch with a half watt 1.5 K Ohm Resistor. This way I have control over the Automatic Headlights. It is possible that your Dash Sensor is Broken or has simply become unplugged.
If you remove your Dash Trim Ring and Pull out your Radio You'll see where the Sensor is and the wiring that goes to it. It's not a pretty thing to get in or out but, it may shine some light on your situation.

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That is a sweet truck man!

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Got any pictures of your HVAC controls with the LEDs? I like to see what others have done with LED lighting thus far.

chuck16 · August 31, 2005

You are correct about the Sensor I have wired mine parallel with a switch with a half watt 1.5 K Ohm Resistor. This way I have control over the Automatic Headlights. It is possible that your Dash Sensor is Broken or has simply become unplugged.
If you remove your Dash Trim Ring and Pull out your Radio You'll see where the Sensor is and the wiring that goes to it. It's not a pretty thing to get in or out but, it may shine some light on your situation.

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