Last post on Aug 25, 2013 at 9:23 AM
You are in the GMC Envoy
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GMC Envoy, GMC Envoy XL, SUV
#106 of 161 2005 Envoy Electrical Problem
Jan 06, 2007 (3:39 pm)
I own a 2005 Envoy SLT 4WD and for the last six months, I have been experiencing a problem with the electrical system. I allow the vehicle to sit at least two minutes before driving it and after I have driven it 10 minutes or more, the headlights and interior light start to flicker. It will stop flickering for a minute or two and then will begin flickering again constantly. The dealership has replaced the starter, a/c compressor, two batteries, and an alternator and they still can't find out what is causing this problem. Of course it happens intermittenly. When I have experienced this problem, I called the service department to describe what it's doing (no change in volts or rpms), but I can't get the problem to stop. The dealership thought it had something to do with the automatic headlights, but it would still flicker constantly whether the lights were turned on manually or not. Needless to say, I'm very frustrated with the problem and would appreciate any help. The dealership told me that they received a letter from GM stating that other customers had this complain, but they didn't state what the problem was or how to fix it. Other than the constant wind noise, the vehicle is pretty decent.
#107 of 161 Re: 2005 Envoy Electrical Problem [wildernm]
Jan 30, 2007 (12:11 pm)
We have a 2004 Envoy with electrical issues also. We didn't notice them till summer 2006. Blinking & dimming lights and battery dead once. Battery & alternator replaced but last week, dead again and lights are blinking also, and voltage drop on gauge. Dealer can't find any thing wrong and says the lights blinking on start up is a normal condition? A normal condition? We are very upset with GM for admitting the problem but calling it a normal condition. Vehicle has also locked the doors itself with the engine running (supposed to be impossible)? We really liked the vehicle up till this point.
#108 of 161 My electrical problem was a ignition switch
Feb 03, 2007 (10:42 am)
I bought an after market switch by standard for $30 but it would leave the dashboard lights on after the key was removed. It did take care of all my other problems until I left the light on one night and my battery went dead. Now I have to go to the dealership that could not fix the problem and buy a gm ignition switch from them.
#109 of 161 problems with 2003 envoy xl since i bought it 2 years ago
Feb 19, 2007 (11:29 am)
I bought a 2003 gmc envoy xl that had about 44,000 miles, since day 1. I have had problems with the truck. When I bought it from D'arcy motors in joliet, they were trying to pull my chain. I bought the truck knowing that they were going to have to put a new transmission in the truck,because it slipped going from 2nd to 3rd gear, and the dealer said that the truck has to adjust to my driving technique. BS. So i had the truck for 2 weeks and i was going to go out of town when the truck started to slip really bad so I took it in to get the transmission replaced.( brand new) Also I have been having problems with my gas gauge giving me faulty readings, so it has been in the dealer for that about 5 times now and they replace the instrument cluster , fuel pump, fuel pressure sending unit and a few sensors, and it is still not working right, so another fun trip to the dealer. It seems like the truck is at the dealer more than it is on the road. I am currently experiencing a thumping noise in the front end and the dealer is saying it is the stabilizer links which of course are not under the extended warranty. ($350) Replacement of the radio because of a short in the unit. Replaced transmission shift indicator sensor , didn't tell me what gear i was in and cruise control did not work.
#110 of 161 Re: 2005 Envoy Electrical Problem [dburch16]
Mar 16, 2007 (1:32 pm)
When I first added my information on this site, I didn't have any loss of power to the vehicle. I've taken my Envoy to the dealership 6 times in the last three months. Now I have a message on the DIC stating that my "Battery Not Charging". The first time this message appeared, I didn't lose power. The second time, I lost power. The dealership said that the ECM (Engine Control Module) is bad and needs to be replaced. Have you been able to have your electrical issues resolved? Has anyone else experienced this problem.
#111 of 161 Re: 2005 Envoy Electrical Problem
Aug 06, 2007 (6:59 pm)
I own a 06 Envoy and have had extreme electrical problems with it. It started with the truck stalling at low speeds. Now it has been stuck in my garage for over a week, not starting. Found the starter was fried and replaced it. Still not starting. Discovered the fuse box under the hood was receiving 12 volts but not putting out 12 volts to the neutral safety switch and on to the starter. Now have to buy the fuse box. Called GM and was told because I was 100 miles over the 36000 mile warranty, it was my problem. I also owned a 06 trailblazer that was totally recalled by GM last winter due to the leather seats not being compatable with the passanger air bag sensor. Also own a Pontiac Grand Prix that has had electrical problems since buying. These problems run from the keyless entry not working, key not coming out of ignition, and unable to shift out of park. Have had it! Will never buy GM again.
#112 of 161 Re: 2002 GMC Envoy intermittent starting problem [ehanneman]
Aug 06, 2007 (7:07 pm)
I own a 2006 with the same problems, except now it won't start at all no matter how many times it is attempted. Our machanic says the fuse box under the hood is bad. Has 12V going in but isn't putting out 12V to the neutral safety switch which tells the starter that everything is good to go and go ahead and start the engine. the part is coming in tomorrow. Will let you know if this truly fixes the problem.
#113 of 161 Re: 2002 GMC Envoy intermittent starting problem [ehanneman]
Aug 09, 2007 (11:15 pm)
I having the same problems, what did you find to be the problem?
#114 of 161 Re: 2002 GMC Envoy intermittent starting problem [slaplante]
Aug 10, 2007 (12:52 am)
I own a 04 SUV XLT Envoy. Have had to replace the ignition/starter switch twice in the last 15000 miles. The truck would start - but as soon as you put it in gear it would stall.
Also had to replace both rear tailgate switches thatwent out at the same time.
I also feel there is something not quite right with the trans - seems to slip at times. 50,000 miles on it now.
#115 of 161 Re: 2005 Envoy Electrical Problem [dburch16]
Aug 10, 2007 (5:04 am)
After fighting with my dealership, they gave me an extended GM Protection Plan up to 84,000 or 8 years. In the meantime, they replaced the Engine Control Module and I haven't had any problems with the lights flickering or loss of voltage/power to the vehicle. But I had to get the General Manager of the dealership involved before they finally took care of the problem.