2001 Yukon Denali: The security light came on my 1999 Yukon Denali ye...

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I need to find out what transmission is in a 1999 gmc sierra ...

www.cargurus.com > Questions > GMC > Sierra 1500

CarGurusApr 7, 2013 - I need to find out what transmission is in a 1999 gmc sierra 1500 pick up 4x4 extended cab. ... Good luck. if the transmission is bad and you KNOW that for a fact, just go ahead and pull it ... My trans went out yesterday and I found one and wantto make sure it fits before I buy it. ... Used GMC Yukon Denali".

Is The Transmission In A 1999 Gmc Yukon And ... - CarGurus

www.cargurus.com > Questions > GMC > Yukon Denali

CarGurusAug 15, 2014 - Is the transmission in a 1999 gmc yukon and a 2000 Yukon Denali the same. ... Does anyone know where I can get a fairly cheap used motor from in or ...Need a good fairly cheap motor for my 99 Gmc Yukon Denali 5.7L V8.

The security system is known to fail in a lot of gm cars. ive had it happen to me. I used this to bypass it and you can do it yourself http://vatspasslockpasskeysecurityhelp.com/ I did mine 2 years ago and I haven't had any issues.. Hope this helps Do It Yourself GM Security bypass

Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
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Contact the dealer with the problem and let them know how you opened the door (key or remote).

check the head light relay int he engine compartment and the fuse to, if both these are OK then the switch is defective, the switch draws high amperage when operating the fog lamps and head lights. Buy the GM or Del-co switch. you can go to this web site to get recall info on this car as well they list parts prices as well.
http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/subcategory_Lighting_-49997541_-49997588_10151_10051_-1___#storeId=10151&langId=-1&catalogId=10051&categoryId=-49997541&searchTerm=&pageId=ajaxPartList&category=&keywords=Lighting&l1_categoryId=&l2_categoryId=-49997588*-49997541&partType=&facetFields=mfrName_exact%2CpriceBucket%2Cclearance%2Csale%2C&beginIndex=0&filterValue=part_type%3A%22Accessories*Lighting*Driving+Light+-+Universal%22%7CAccessories*Lighting*Driving+Light+-+Universal&sortBy=0&pageSize=20&filters=part_type%3AAccessories*Lighting*Driving+Light+-+Universal

There may be two screws, open tailgate look to the inside by the seal around back. take the screws out, remove lens

One of your sensors are not working properly. It is still safe to drive. Have you bumped into something lately or had to jack the brakes? I know it's annoying but it will not go off on you.

Yup - you may need to get the grilles and such as well...