Originally Posted by
ZERACER
Most common cause is a short in the alarm siren. It is located under the cowl in front of the windshield. You can just unplug the siren. Clean the drains under the cowl while you are there. Use the search feature at the top right of the page for more info.
This, and don't bother buying as used one either unless you replace the 20 yr old battery's on the board as pizzaman has suggested in the past. The siren is located under the windshield wiper shroud.