But i don't have secruity on the truck
the headlights quit working no power inside truck
run for awhile then stopped i tried the disconnect the battery 3 times keeps coming back
Did the batery die??? Did you have to boost??? could be one of two things the pcm or your key needs to be reprogrammed, for the key connect the batery to a batery charger with it still connected to the truck, leave the ignition on for about 10-15 minutes or until the security light goes out, when it does go out turn off the ignition and turn it back on for another 10-15 minutes repeat this another time and it should be ok, if not take it to GM to have them check the pcm or replace...
goodluck...
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