99 Denali Issues

My denali wont turn over. I turn key and it goes through all the motions but wont kick over. I even tried using my auto-starter and it did the same thing. I also get this horn like noise from the rear whenever I pull off. Any help will be appreciated. THNXS

My denali wont turn over. I turn key and it goes through all the motions but wont kick over. I even tried using my auto-starter and it did the same thing. I also get this horn like noise from the rear whenever I pull off. Any help will be appreciated. THNXS

my started doing the same thing but due to an alarm issue i think, have you had any issues with your alarm lately - i will be taking it to the dealer soon and i will give some feedback on what it was.

Did you ever figure out what that horn-like sound was, that was coming from the back of your truck? I have a '00 Denali that has been making the same type of noise when I accelerate from a stop.

8 month old thread, dead for all purposes.