how do you take the dash off?

Go buy your self a hayes manual for that truck,at auto zone

http://bit.ly/AllData_Repair_Manuals_Online Click that link to take you to ALLDATA online manuals. Here you can find step by step instructions and repair manuals plus diagrams and wiring information about your car. It's for a nominal fee - a little more than a Hayes manual, but light years beyond it in quality and content.