No Headlights or DRL's - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

General If it doesn't fit in any other forum

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  #1  
Old 08-18-2010, 12:55 PM
juls0713 juls0713 is offline
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2004 GMC Envoy SLE XL
Graystone Metallic 4.2L I6 4X4
Join Date: Sep 2008
Location: Cleveland, Ohio
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No Headlights or DRL's

Hello!
I am new here and hoping to be able to fix this myself instead of going to the dealer. (Keep in mind my husband was a mechanic for 20 years is doing nothing to help me but is working on everyone elses cars...)

I have no headlights or daytime running lights. I have high beams, and all other lights work fine. I went to get in one night and they were out and have not worked since. I am really tired of not driving at night.

Any help would be appreciated..
Or anyone in the ohio are who would be willig to help me!!!!

Thanks!!
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  #2  
Old 08-18-2010, 01:07 PM
Allstar319 Allstar319 is offline
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2006 GMC Envoy Denali
Onyx Black 5.3L V8 4X4
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Your headlight relay most likely went out. Pop open the hood and on the drivers side, open up the fuse box. It should be relay 46. You can switch it with the fan relay just to make sure it is the relay. They should be right next to each other. Make sure you switch them back.

The part number is 15016745 if you want to search online for it, otherwise, just go visit a Chevy or GMC dealer and ask for a replacement headlight relay for an Envoy. They'll know what your talking about. Should run from 40-50 from a dealer.
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  #3  
Old 08-18-2010, 01:53 PM
lowredVoy lowredVoy is offline
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2004 GMC Envoy Denali
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or walk into any parts store and pick up the same part, and im sure if your bat a smile at a couple of the parts guys they would probably check and install it for you.
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  #4  
Old 08-18-2010, 02:12 PM
antiminivan antiminivan is offline
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2003 Chevy TrailBlazer LT EXT
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Quote:
Originally Posted by lowredVoy View Post
or walk into any parts store and pick up the same part, and im sure if your bat a smile at a couple of the parts guys they would probably check and install it for you.
I just had to replace the relay in my wife's TB. No parts store had it. I had to go to a dealer, and even they had to order it (and it was backordered, but only for 2 days). This is not a typical, mecahnical relay. It's solid state and (supposedly) has a lower failure rate. That may be part of the reason that parts stores don't stock it. I'm sure some dealers do. I went to a Saab dealer, because they always give me reasonable prices on parts, whereas the local chevy dealer once charged me $60 for one key (a plain old key, no electronics of any kind in it).
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  #5  
Old 08-18-2010, 11:20 PM
troy11556 troy11556 is offline
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2004 GMC Envoy SLT XL
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Quote:
Originally Posted by antiminivan View Post
I just had to replace the relay in my wife's TB. No parts store had it. I had to go to a dealer, and even they had to order it (and it was backordered, but only for 2 days). This is not a typical, mecahnical relay. It's solid state and (supposedly) has a lower failure rate. That may be part of the reason that parts stores don't stock it. I'm sure some dealers do. I went to a Saab dealer, because they always give me reasonable prices on parts, whereas the local chevy dealer once charged me $60 for one key (a plain old key, no electronics of any kind in it).
I replaced mine about a month ago and Checkers/O'reilly had one in stock. They only had one though so i got lucky but i know they can order them as well i was told that if they ordered the more expensive on it would take 3 days.
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  #6  
Old 08-19-2010, 12:42 AM
WOOLUF1952 WOOLUF1952 is offline
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2003 GMC Envoy SLT
Magnetic Red Metallic 4.2L I6 4X4
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One other thing; You would not be the first to have both bulbs fail at the same time.

Switch relays #45 and #46, if the lights still don't work, there are also separate fuses for each side (#3 and #4), or the bulbs themselves could be bad.
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  #7  
Old 08-19-2010, 09:23 AM
BO TIE SS BO TIE SS is offline
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2006 Chevy TrailBlazer SS (LS)
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If it is the relay, NAPA has them under a different number for $36.99
http://www.napaonline.com/Search/Det...+50014+2014050
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  #8  
Old 09-06-2014, 11:01 AM
MNgrknKS MNgrknKS is offline
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I picked up the relay at O'Reilly's for $32 and the guy who checked me out switched it out for me! Now I have headlights!
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