Warning lights troubles

I have a 2001 Sonoma 4x4 SLS and I' ve noticed recently that the «SERVICE 4WD» warning light does not come on briefly as it should when turning the ignition switch on. Does anybody knows what may causes this problem?

Could be a burnt bulb... IS your 4x4 working correctly?

Yes the 4x4 is working properly.

Yes the 4x4 is working properly.

Then I would say it's just the bulb...

Is there a way I can check the bulb without removing the instrument cluster and if it is necessary to remove it, is it hard to do the job?

Gotta pull the cluster

Thanks, I'll try to replace the bulb and will give back some news!

Replace them all with LED's... Choose your color..They never fade and rarely if ever burn out!

Could you give me more details about these LED's, what are they and what about the colours?

P.S.: I usually speak french so sometimes, they are some english words that I don't understand. Thanks for the comprehension!

Could you give me more details about these LED's, what are they and what about the colours?

P.S.: I usually speak french so sometimes, they are some english words that I don't understand. Thanks for the comprehension!

http://www.automotiveforums.com/vbulletin/showthread.php?t=379971&highlight=led

Thanks a lot!

Thanks a lot!

No prob, let us know how it turns out

I had the cluster removed and check the bulb, it did'nt look burnt, it's not black it's very clear and the filament is not broken. I also noticed other warning lights wich are not mentioned in the owner manual: «OVER SPEED», «TOW/HAUL», etc.,I don't remember the others. These bulbs are also in good shape but since I have the truck, these lights had never came on when turning the ignition on. Is this normal, are these lights supposed to come on when turning the ignition on and what about the «4WDSERVICE», why does it not come on although the bulb is not burnt? Just as a remind, my truck is a 2001 Sonoma 4x4 SLS if it can be usefull.

Just because it didn't look bad doesn't mean it is actually good, swap another bulb in.

Other lights in there and ones with no lights are meant for options your truck doesn't have. Some of the service lights won't come on at all until the Bcm tells them to, even during initialization..

I just noticed today that the «Safety Belt Reminder Light» does not come on neither and I think it never did since I had the truck. I would be very surprised that two lights had burnt at the same time! Could it be a circuit, a wire or something like that?

GMC says they back their products, but i have a GMC built transmission that was had a gaurentee of 3 years or 60000 kms. their new warrenty is for 90000 kms.

i have just over 20000 kms on my trans and it kicked it. i maintain it as i should, and drive it in normal expected conditions.

i have contacted my local GMC dealer and they told me that they would not stand behind their work or their warrenty.

I recommend to all not to buy GMC products of any kind, they will leave you high and dry, with an empty wallet.

ps - No one told me GMC stood for Gimmie More Cash

GMC says they back their products, but i have a GMC built transmission that was had a gaurentee of 3 years or 60000 kms. their new warrenty is for 90000 kms.

i have just over 20000 kms on my trans and it kicked it. i maintain it as i should, and drive it in normal expected conditions.

i have contacted my local GMC dealer and they told me that they would not stand behind their work or their warrenty.

I recommend to all not to buy GMC products of any kind, they will leave you high and dry, with an empty wallet.

ps - No one told me GMC stood for Gimmie More Cash

Umm... yeah

GMC says they back their products, but i have a GMC built transmission that was had a gaurentee of 3 years or 60000 kms. their new warrenty is for 90000 kms.

i have just over 20000 kms on my trans and it kicked it. i maintain it as i should, and drive it in normal expected conditions.

i have contacted my local GMC dealer and they told me that they would not stand behind their work or their warrenty.

I recommend to all not to buy GMC products of any kind, they will leave you high and dry, with an empty wallet.

ps - No one told me GMC stood for Gimmie More Cash
http://www.image-hosting.ws/direct/1471.jpg

Does somebody had similar issues with the cluster lights? The «4WD SERVICE» and «SAFETY BELT REMINDER» lights are the two last one on the cluster circuit diagram so could it be a broken circuit between theses two lights and the other ones of the cluster and if so, can it be fixed or do I have to change the cluster circuit and how much could it cost?