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It is the headlight drive module. It is used for daytime running lights and low beam operation. It works in conjunction with the light sensor on top of your dash that senses how much light is available, and tells your lights to come on or your drl. You have to have lights on automatic.
replace the light module
You would have to buy a computer control module from
The headlight relay is in the Light Control Module (LCM).
Usually caused by a bad ABS sensor or wiring harness to the sensor. Both are serviced with a hub-bearing assembly.
Probably the speed sensor has crapped out. Or the module has.
Could be an internal short in the module. Had this happen on a '62 Chevy pickup headlight switch
Our check engine light was on in our 1998 Intrigue. We went to Autozone and they pulled the codes and saw that it was either one (or both because they said there was 2). If your light is not on I am not sure how to find out otherwise. Autozone said that it tripped our light.
the light of the air bag is on. the sensor is fail
The 1997 Oldsmobile airbag module sensor can be found below the dashboard on the drivers side. The airbag module should be labeled as such.
If it runs for 15 minutes after a cold start, it is probably when the electronic control module goes from preset (default settings) to closed loop control. It is likely a sensor somewhere (Crank position sensor, cam position sensor) that is bad, which confuses the control module when the switchover after warm-up ocurrs. Did the "Check Engine" light turn on? Read the codes (Autozone will read for free) and see if that gets it. I had the same sort of thing happen, and it was the crank position sensor. The "Check Engine" light didn't light until after several ocurrences. Fuel filter plugged up..
A daytime running light module (DRL) is a unit that controls a 2-4 headlight system on most standard vehicles. On the 1999 Ford Ranger, the module can be found in front of the left wheel well on the front side of the rad support.