GMC Safari

Where could you find the Daytime Running Lamp sensor on a 1997 GMC Safari?

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2008-05-02 01:12:17
2008-05-02 01:12:17

daytime running lamp (drl) don't use sensors. if yours don't works, start by checking the parking brake pedal's braket you should have a switch near the top. This switch send the signal to turn on/off the drl. if it works properly go under the hood to the the fuse and relay center (a black box on the driver's side) and check your power on the relay connectors.to see if your relay is good try to swap it wiht the horn relay. i hope this help daytime running lamp (drl) don't use sensors. if yours don't works, start by checking the parking brake pedal's braket you should have a switch near the top. This switch send the signal to turn on/off the drl. if it works properly go under the hood to the the fuse and relay center (a black box on the driver's side) and check your power on the relay connectors.to see if your relay is good try to swap it wiht the horn relay. i hope this help

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There are a few reasons why your daytime running lights are flashing. Your wiring could be messed up or your lights might be burning out.


Check the daytime running lights module. This has failed with other manufactures resulting in lights that stay on, or are very dim while the vehicle is running.


When daytime running lights do not work, it means the bulbs may have burned out. It could also mean the fuses have failed or there is a short in the wiring.


In the owners manual it tells you how to turn off the daytime running lights and I think the dusk feature on headlights if not you could remove the relay for the dusk feature.


It could if it was built for the Canadian market. If built for the USA, no.


It could be a number of things. First check all of the fuses. It could be the module which controls the lights but it needs to be checked out. There is also a relay for the daytime running lights on your car i would check into that if all fuses are good.


there is a number of things that could cause this. here are a few easy ones to check. is the e-brake fully disengaged. are the bulbs burnt out. is the wiring harness plugged into the daytime lights bulbs and in good condition. if these check out, you may have a fault in the daytime running light module.


Loose connection SOMEWHERE. It could be a defective DRL (daytime Running Light) module



Umm, cause the switch is on? Seriously, need more information. During the day? Your daytime sensor on the dash could be dead.


Check bulbs--Low been element could be burned out Check fuse for daytime running light module, make sure your park brake is not part way on. Or module may be bad. High beam's are not controled by module, that is the reason thy still weork.



Check your maf sensor, the computer may not realize the engine is running because it is sensing no air flow, aside from that and a malfunctioning cam or crank sensor it could be a hundred things, what you need is a bit more information about HOW its not running before you can find a definitive why.


It could be either the temperature control sensor to the computer, or the ambient air sensor.


check the oxygen sensors, mine was "running rich" also but it turns out the problem was a bad upstream o2 sensor. The other thing could the throttle position sensor, because the engine is throttle body injected, the sensor could be dirty and sending the computer a bad reading.


there should be a fuse under the hood or under your fuse block that probably blew


On a 2004 Buick Lesabre it could be a faulty (MAP) Sensor, Manifold Absolute Pressure Sensor. The car could start, run and drive, and when you shut it off it will crank but not start up again.


No. The power to illuminate the Daytime Running Lights (DRL's) is supplied by the alternator, and does not have to be supplied by the battery. Once a vehicle is started and the engine is running you could remove the battery from the car entirely and everything requiring current would still operate.


The first thing I'd do is check the fuse. If the fuse is good the you might have a short in a wire somewhere.


No all it is is basically a microphone to monitor for noise-nothing to do with the engine running.


I am the owner. We recently took the GMC Safari Van to have the diagnostics run on it. NOTHING wrong!!! We had them do an injection system clean up on it. It seems to be running smoothly now. We never found what problem caused the missing problems. If this injection clean up fixes this problem lease try this on your GMC vans also. thanks for helping.


Most likely a problem in the fuel line.... pump or filter... could be an air flow sensor, PCV, or EGR, as well. Oh yeah, or it could be an idle sensor, or a problem with the choke.



Check the O2 sensor located on the exhaust pipe on the passenger side. Could be giving the computer wrong information.


A bad o2 sensor could confuse the cars computer. This can make the computer to send wrong signals to the engine, resulting in the engine not running properly.



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