Car Alarms: alarm, 12 volt, good luck

Question
I had a new after market alarm installed in my 2002 F-150 Supercrew. It goes off about every 40 minutes. I took it back and they installed another new one thinking the alarm was a defect. It did not change any thing, why?

Answer
CLOSED FOR THE DAY AUTO RESPONDER:

Hello & sorry but I am away from my desk
for the Evening.

Please restate this inquiry at my 12 volt
installers Forum at www.INSTALLSUPPORT.com .

I am certain that this will be solved
for you there within a couple of hours.
Good luck.

ALARMTEK