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09-19-2009, 09:18 PM
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Member
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2004 GMC Envoy SLT
Silver Green Metallic 4.2L I6 2WD
Join Date: Jul 2009
Location: Baton Rouge, LA
Posts: 417
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No problem. I have the link up there^ if you want to order it online for 20 fewer bucks than from Napa. But, I had never used Napa before this and I was happy with the level of quality and the service I got. I called and they didn't have it in stock but got it there by the next morning. Great service.
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09-19-2009, 09:50 PM
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Member
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2003 GMC Envoy SLT
Polo Green Metallic 4.2L I6 4X4
Join Date: Oct 2006
Location: Virginia Beach, VA
Posts: 314
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I just ordered a LM487 from:
http://www.ledlight.com/
$49.99 +$7.18 USPS Priority shipping
__________________
You Ain't Heard Nothin Til You've Heard a Holley 750's Secondaries Suckin Air. 
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09-23-2009, 02:08 PM
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Junior Member
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2003 Chevy TrailBlazer LT EXT
Forest Green Metallic 4.2L I6 4X4
Join Date: Apr 2009
Location: Delaware
Posts: 97
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Quote:
Originally Posted by MAY03LT
Cool man, I've been hesitant to do it because DE is strict on lights (like flashing fast), thanks for the info and the how to  |
I was just looking in to this, not too strict according to the website. They just have to work and be seen from 100ft away.
http://www.dmv.de.gov/services/drive...quipment.shtml
Quote:
Originally Posted by Hal
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How did they work out? Easy to install?
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09-23-2009, 09:17 PM
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Member
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2003 GMC Envoy SLT
Polo Green Metallic 4.2L I6 4X4
Join Date: Oct 2006
Location: Virginia Beach, VA
Posts: 314
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Received the LM487 this morning. Installed it in place of the original flasher. Installed two Amber 27 SMD LED 3157, and two Amber 5 SMD LED 194 in the Headlamps, two Amber 5 SMD LED 194 in the mirrors, and two Amber 27 SMD LED 3157 in the tails. Flashing speed was normal. All functions worked perfectly.
Here are some pictorial comparisons of the LM487 and the 12450284.
Internal comparison of the two
Internal of the 12450284
Internal of the LM487
What's under the LM487 Sticker
Yes that is a legitimate GM Part Number. It may or may not have been modified. Anyway GMpartsdirect wants more for it than ledlights for the LM487. And it does work correctly with all LEDs. 
 I also installed two White 27 SMD LED 3157 bulbs in the cornering lights and two White 27 SMD LED 3157 bulbs in the Backup lights. What a difference in the color and brightness. WOW! 
__________________
You Ain't Heard Nothin Til You've Heard a Holley 750's Secondaries Suckin Air.
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09-23-2009, 11:21 PM
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Member
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2003 GMC Envoy SLT
Polo Green Metallic 4.2L I6 4X4
Join Date: Oct 2006
Location: Virginia Beach, VA
Posts: 314
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Quote:
Originally Posted by bigapple
Well I'm using my original OEM wedge bulbs right now but it's only because I didn't realize the polarity of the LED bulb when I installed it, which is why I managed to blow out every fuse and almost rip my hair out.
I am soon going to show a tutorial thread and show how I'm going to orient the polarity. It should be interesting.
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The 3157's I got are reverse protected and have have no +/- markings on them. They also read open both directions with the diode tester on my DVM. So what I did was to put a light or turn signal on, verify light or flashing, turn off and remove the bulb/s. Turn on the light or turn signal and try the bulb if it didn't light in one direction I would pull it and turn it around, when it would light I would seat it in the socket. I just installed 14 bulbs this way with no problems. 
__________________
You Ain't Heard Nothin Til You've Heard a Holley 750's Secondaries Suckin Air.
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09-24-2009, 02:27 AM
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Member
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2004 GMC Envoy SLT
Silver Green Metallic 4.2L I6 2WD
Join Date: Jul 2009
Location: Baton Rouge, LA
Posts: 417
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Quote:
Originally Posted by Hal
The 3157's I got are reverse protected and have have no +/- markings on them. They also read open both directions with the diode tester on my DVM. So what I did was to put a light or turn signal on, verify light or flashing, turn off and remove the bulb/s. Turn on the light or turn signal and try the bulb if it didn't light in one direction I would pull it and turn it around, when it would light I would seat it in the socket. I just installed 14 bulbs this way with no problems. |
Yea that was before I did the whole soldering deal with my circuit board. Got the problem figured out but thanks for the suggestion. 
And I'm glad the LM487 works for you. I wanted to find one out there as cheap as possible but ended up wasting more money and getting the wrong kind of flasher. I was a bit worried to drop 60+ on a flasher but in the end it was worth it. It's so good to have a regular flash. I can never go back to OEM bulbs. LEDs rule.
And for anyone else looking; if for some reason LEDlight runs out of stock, I found the flasher here for 55ish bucks. Word.
http://www.gmpartsdirect.com/results.cfm?addtocart=1&addpartnumber=10383322&sin glepart=1&partnumber=10383322
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10-01-2009, 04:08 PM
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TrailVoy Guru
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2003 Chevy TrailBlazer LT
Majestic Red Metallic 4.2L I6 4X4
Join Date: Apr 2006
Location: Fairfield, OH
Posts: 6,247
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Well this may be my next thing to get because I have all my bulbs to LEDS and put load resistors at the front main signals and now one of the connections doesnt hold well...
Also noticed that when my lights are off when I use the right signal the left side blinks dim as well as the back left BRAKE light  and vice versa for the other side... (I have the IPCW Bermuda tails)
but it works normally when the lights are on
funny that I just noticed that issue today 
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10-02-2009, 03:08 PM
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Member
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2004 GMC Envoy SLT
Silver Green Metallic 4.2L I6 2WD
Join Date: Jul 2009
Location: Baton Rouge, LA
Posts: 417
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That's a little strange. This would definitely be the easiest fix.
Also, an update on my flasher; I go to LSU and came to GA this weekend for the game. On the way here, when I needed cruise control the most, it decided not to work, even though it worked when I first got it. I thought about popping out the electric flasher and putting in the OEM one just for the car ride to get that cruise control working. The cruise has worked before but didn't yesterday so I guess it can be a bit faulty with this relay.
Still, I believe that one tiny fault with a normal flash is something I can exchange. I'm sure most of you would agree.
__________________
Morimoto Mini H1 retrofit with 5000k HID, Custom CAI, and LEDs everywhere
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10-02-2009, 10:29 PM
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JeTTTstream Automotive Technologies
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2007 Chevy TrailBlazer SS
Silverstone Metallic 6.0L LS2 V8 AWD
Join Date: Mar 2008
Location: Grand Blanc, MI
Posts: 603
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I have to point out a few things.
The flasher is also made by Grote part number 44140 (i'm a dealer).
You can use the flasher to control the front (turn signal) OR rear turn signals.
You cannot use the LED flasher to control (4) corners. I did extensive testing with these led flashers include GM parts too--I'll look up the part numbers and edit the post.
You will lose cruise control ONLY if you switch your BRAKE lights to LEDs AND use the LED flasher module.
example: you have switchbacks in the front....the LED flasher module...and stock halogen bulbs...your cruise will work just fine.
If you replace your brake/parking lights (trailblazer)..you will lose cruise.
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Lastly, I also figured out that you can use LEDs in all 4 corners of the truck using only (2) Load resistors. I didn't want to cut/splice any wires. But for $9.00 and a quick tap..and run the other wire to body ground, it's been working great for my personal truck, and if you don't know I have 100% LED conversion.
I hope that helps a few guys out.
-Mike
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10-02-2009, 10:42 PM
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TrailVoy Guru
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2003 Chevy TrailBlazer LT
Majestic Red Metallic 4.2L I6 4X4
Join Date: Apr 2006
Location: Fairfield, OH
Posts: 6,247
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I have the IPCW tails and those have built in resistors and flash normally.. its when I put led turns up front is where I had to put resistors in and got it all messed up
how much you sell the relay for?? hopefully not $75 like NAPA wants for it
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