Question about GMC Envoy
Running lamps are off and on. The headlights do not work. Replaced the bulbs and checked the fuses.
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Posted on Jan 02, 2017
I had the same problem. The solution to this is something called the turn signal/highbeam switch, located in your steering column. This switch has an actuator of some sort that goes bad after a while. It doesn't allow the actuator to turn back into regular headlight mode, instead disabling it. I went to my local junkyard and replaced it. Everything works now. Here is a link to anyone looking to solve their problem - http://www.am-autoparts.com/AM/Switches-and-Levers/Dodge/Intrepid/-/AM-38623751/
Posted on Dec 27, 2008
In the Fuse Relay Box under the Hood there is a Headlight Relay. Replace this Relay along with a New Fuse and it should work. Let me Know. Please Rate my Response, I need all the Help That I can Get! Thanks!
Posted on Jan 28, 2009
It could be a clogged fuel filter or a bad fuel pump. Also try replacing the spark plugs and spark plug wires and having the timing checked. Good luck.
Posted on Mar 11, 2009
Duralast / Relay - Headlamp
20601 Autozone: $39.99 I had the exact problem with my 2004 Envoy. You need to replace the Headlamp Relay. This is a very simple fix. The relay is located under the hood in box just above the battery. Pull the cover off of the box, look at underside of box to see layout of relays/fuses, i do not recall the exact abbrevaition used for the headlamp relay but there are only two relays in there that look like the one you need, just play with those two and you will get it. Do not take it to the shop, my wife took ours in and they charged us way to much to diagnose such a simple fix. You can test it before you buy the part by switching the relays that are the same around and seeing if your headlights work (they will). It is as simple as changing what looks like a big fuse.
Posted on Feb 24, 2010
Relay in fuse box under hood on driver side wheel well labeled HDM, #46 on 2004 Envoy XUV. Swap with relay #45 labeled "Fan" to test. That was my problem.
Posted on Sep 13, 2010
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[Information] For a 2002 Toyota Camry, the Daytime
Running Lights (DRL) operate utilizing the High Beams (inner Lamps closer to
the center of the vehicle front) at a reduced power.
[The troubleshooting process:] Review the Owner's Manual and ensure the test
configuration matches the following criteria:
1. According to the 2002 Toyota Camry Owner's Manual (Check your Owners Manual):
"The DRL system will make your headlights come on at a reduced brightness when:
The light switch s in the "DRL" position.
The ignition is on with the engine running.
The headlight switch is off.
The parking brake is released."
2. Set the Test Conditions according to Step 1 above.
3. Check the headlight bulbs to ensure they are not
burned out. If one burns out, there is a fair chance that the other would have burned
out at the same time. Replace as necessary.
In this case, if the high beams operate, the DRLs should also operate.
4. Test the system, ensuring the step 1 conditions are set. (Engine running, Multi-function Switch on Turn Signals in "DRL" position, headlight switch off (repeating what the manual says -- it should be obvious that in the "DRL" position, the headlight switch should be off / do not have the switch positioned to "High Beam"), and the Parking Brake "off").
5. If DRL lights do not work, check the engine compartment Fuse and Relay Box. there is a 5 Amp DRL fuse -- replace it with the spare. Test (step 4).
6. If it does not work, swap around or replace relays -- there are three (3). Any one of them could be bad (stuck or burned out). Test (step 4).
7. Other less likely possible issues could be that the Multi-function Switch is broken or a connection / wire is broken. [Beyond the scope of this process.]
My problem was that the test configuration did not have
the engine running and parking brake off - Step 1. Problem solved with much
thought, repetitive tests on the vehicle and going back to the basics -- what
does the Owner's Manual say and where are the applicable fuses and relays
Dec 30, 2011 | 2002 Toyota Camry
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