Check Engine Light

Your car has OBD1 so you don't need a scan tool to retrieve codes stored in the computer. The computer is under the passenger seat of the truck. Remove the seat (4 x 14mm bolts) then you turn the ignition key to the run (not engine running position )turn a screw on the side of the computer to enter a certain mode, you then count the number of flashes of the LEDs on the side of the computer. The procedure is easy and counting the codes is easy but you need illustrations and test procedures for each code. There is a company that independent auto repair shops buy their information from that the same information inexpensively to do it yourselfers. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info. and get an online repair manual subscription.