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Buick Rainier, Chevy TrailBlazer, GMC Envoy

18277 messages,  Last post on Nov 18, 2009 at 6:43 AM

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What is this discussion about? Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, GMC Envoy XL, Isuzu Ascender, Oldsmobile Bravada, SUV

#18187 of 18277 Backlighting 2002 Trailblazer LTZ by slipkid1 Dec 16, 2008 (5:34 am)
everyone,   New to the forum, so please bear with me. I have a 2002 Trailblazer LTZ which i am very satisfied with. I also do almost all of my work on my cars (have been since I was 16, and am now 53). Howere, I have a problem I can't seem to solve. I was replacing a rear w/w switch and had the left IP panel closeout and knee bolster out. After the repair, I put it back together and lo and behold - half of my IPC backlighting is out. I can still see the speedo and gauges, butthe tach and half the speedo lights are gone. I took the IPC out to see if there were any burnt bulbs and the IPC is sealed and is just a circuit board. Also, the dimmer switch works still, but its backlighting is also out. All other IP lights work and will dim via the dimmer switch. Are there TWO wire power feeds to the IPC and maybe one circuit needs to be repaired? Or could it be the dimmer switch itself? Or, because 1/2 the IPC lights up and reacts to the dimmer switch, am I looking at an IPC repair or replace? Can the IPC circuit board be that fragile that a slight jar would burn outthe LED lights? Really looming for some help here. Even the actual Trailblazer OEM Service Manuals (I get them for all of my cars through Helm Inc.) does not address this issue. Can someone help me or point me in the right direction? It is a shame that I would have to replace the entire cluster for just a lighting problem...   Thank you so much for your time!   Slipkid1 Replies to this message: burdawg (Dec 16, 2008 8:45 pm)
#18188 of 18277 Re: Backlighting 2002 Trailblazer LTZ [slipkid1] by burdawg Dec 16, 2008 (8:45 pm)
Replying to: slipkid1 (Dec 16, 2008 5:34 am) Did you have to flex the IP printed circuit to get it out? It's possible that a trace on the printed circuit was damaged. I wouldn't think there would be more than one power connection for the backlights, but really don't know. If there's more than one though, check the connector where it's connected to the circuit card (if you can get to it), that's a prime place to have broken connections after removing and replacing the plug.
#18189 of 18277 End of an Era by hardhawk Dec 23, 2008 (2:47 pm)
Today marks the end of production for GM's mid-sized SUV products, the Trailblazer, Envoy, and Saab. GM is abandoning the mid-size SUV market, as is Chrysler, who will end production of the Aspen and Durango on December 31st. Now, those of us who need to tow anything significant will have to go with a full sized pickup or SUV, as there will be nothing left in the mid-size range. The new GM Lambda's can now tow a maximum of 5200 lbs, but I would not want to hook up my 5000 lb boat/trailer to one of them and go very far. My Envoy pulls it with no problem, yet isn't a big land yacht in and of itself, like a big Yukon or Suburban is. Glad I only have 76,000 miles on the Envoy in 7.5 years as it looks like it is going to have to last me a while.
#18190 of 18277 headlamps by sandro1 Dec 25, 2008 (6:04 pm)
i have a 2004 trailblazer. for some reason my headlamps are not working. fuses are fine. bulbs are fine. all other lights work. high beams work. can't figue it out. can somone help. Replies to this message: dornbosj (Jan 11, 2009 12:09 pm)
#18191 of 18277 headlamps on trailblazer by sandro1 Dec 27, 2008 (5:31 pm)
headlamps still not working. unhooked battery for 35 min. still don't work. headlamp fuses are fine. bulbs are fine. could it be another fuse somewhere.
#18192 of 18277 Re: cruise control while towing [chevygirlsept] by jonnyfish Jan 10, 2009 (2:21 pm)
Replying to: chevygirlsept (Nov 12, 2006 6:43 pm) ok i have a 2003 GMC Envoy, i had my oil changed this morning and then hooked up my trailer thats loaded and about 4300-4400 pounds total, started going down that highway (in south florida) when all of a sudden my cruise control stopped working and no longer works.   Ive checked all related fuses... no idea where the sensor is so i havent checked it... any ideas? Replies to this message: floep (Jan 10, 2009 2:41 pm)
#18193 of 18277 Re: cruise control while towing [jonnyfish] by floep Jan 10, 2009 (2:41 pm)
Replying to: jonnyfish (Jan 10, 2009 2:21 pm) If you have electric brakes on your trailer and the controler for them is hooked to the wrong terminal of the brake switch of your Envoy it will behave as you state, it will also affect other items like torque converter lock up clutch.Floep
#18194 of 18277 Re: headlamps [sandro1] by dornbosj Jan 11, 2009 (12:09 pm)
Replying to: sandro1 (Dec 25, 2008 6:04 pm) I have a 2004 Rainier and I can't get my headlights to come on either! High beams work. Fuse is fine. There is now power to the fuses. Not sure what to do next.
#18195 of 18277 Re: trailblazer dvd player [johnh123] by glubash Jan 18, 2009 (8:59 am)
Replying to: johnh123 (Jun 19, 2005 5:59 pm) I thought that it was a lost cause, but after trying a couple different types of media, I've found that Verbatim DVD-R (Model #94866) works in my '03 Envoy.   I picked up a spindle at Best Buy last night and will be looking online for more of these to keep the originals at home and let the copies be subject to the heat and kids fingers. Replies to this message: glubash (Jan 23, 2009 5:03 pm)
#18196 of 18277 2002 Trailblazer Rear Drivetrain Noise by blm Jan 18, 2009 (9:11 am)
Has anyone experienced drive train noise coming from rear of vehicle? Mine has 97,000 miles and a whining noise has started to develop in the last 3000 or so miles.I bought it new. How long is the warranty on the power train components? Anyone know of any service bulletin pertaining to rear end?Anyone know of rear end recalls? Also rear speakers quit working, any suggestions? I searched the boards for these problems and didn't find anything. Any help appreciated

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