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  1. #1

    Default GMC Canyon security lock system?

    On my way home from work I cross a set of railroad tracks. Yesterday when I crossed the tracks everything on my dash quit. In the lower right hand corner the security lock light came on. When I got home and shut my truck off it wouldn't start. I read online that I had to let the truck sit with the key on for 30 minutes then turn the truck off for 30 seconds. I tried that and it didn't work. I disconnected the battery and re-connected the cable and started it. I drove around the block, the same thing happened, the gauges all quit and the light came on. I hit a pot-hole and all of the lights came on and the brake warning bell chimed. Now it starts but the engine warning lights are still on. Can anyone help me?

  2. #2

    Default

    Check your grounds, fuses and relays something is majorly wrong. Bite is the truck throwing a code because you should find out what it is to diagnose it.

    1996 Chevy Tahoe LT 5.7L V8 4X4 205,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin
    Basic mods: Lights all over, bunch of electrical work, and a couple cooling mods.

    Check out my other mods in My Garage: http://www.gmtruckclub.com/forum/sho...t-Tahoe-4-Door

  3. #3

    Default

    I found the problem. The terminal that plugs into the negative cable on the batter was loose. when I disconnected the battery I noticed that the terminal was loose. I checked the grounds on the inner fenders also but they seemed ok. I am sure the terminal was the problem.

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