I have a 1992 Ford F-150 Custom. When I start it it has a steady Alarm-Like sound for about 10 seconds. Engine light on too. Any Ideas?

The truck only has 90,000 miles so it's not got to many.

Read more: I have a 1992 Ford F-150 Custom. When I start it it has a steady Alarm-Like sound for about 10 seconds. Engine light on too. Any Ideas?