bc0508

My 2003 Tahoe alarm has went off the past 2 nights for not reason one time 2 30 am and next night 3 30 am. This is the first time this has happened I have owned it since new.

Does anyone know what could be causing it? Or how can I disable it. Its a factory alarm

The good old horn and lights going.

in2pro

1.Battery voltage could be dropping out and the alarm senses it as a trigger...
How old is the battery? are all the connections tight? good grounding?

2. One of the sensors has become sensitive to a temperature change as it cools off at night..

3. Someone/thing really did move or attempt to enter the vehicle

4. Gremlins.....

bc0508

1. The battery is not that old maybe 1 year.
2. Could be its is getting a little cooler at night now. I am in South Carolina.
3. Not likely even though I live in the woods I am up pretty quick when its done it with gun in hand... Havent seen any thing.
4. Maybe bigfoot

in2pro

check your battery connections and the ground wire to the batter and chassis, I would bet that voltage anomaly is most likely the culprit.

check the battery voltage with the vehicle off it should be at s bit over 12v 12 point something, try charging the battery with a charger and see if the alarm goes off that evening....