chances are you will have to take car to dealer or mechanic to have them hook up a diagnostic machine to the cars computer
TRY THIS LINK IT WORKED FOR ME. www.installdr.com/Harnesses/DCP-Wiring.pdf
The related link below gives the trouble codes for a 1995 grand voyager.
lookup autozone.com you can find help there. look under repair info.
You will need a scanner to retrieve codes and it will have a trouble shooting chart to follow.
CODE 5 (FIVE FLASHES) OR MAYBE 10 FLASHES
A 1994 Ford is OBD I / EEC IV - there is an EEC TEST connection in the engine compartment near the power distribution box
With a scan tool.
Electronic Spark Timing (EST) circuit is shorted to ground.
1994 year and up need a code reader to retrieve their codes. Most auto parts stores offer this as a free service.
On 1994 and older vehicles, you can manually pull the trouble codes. Check out a repair manual (Hayne's or Chilton's) at your local library - chapter 6 has all the details on how to do it; also what each code means and how to trouble shoot.
You may have a transmission problem. Have the computer scanned for Diagnostic Trouble Codes.
Troublcodes.net Trouble Codes OBD & OBD2 Trouble Codes and Technical info & Tool Store. By BAT Auto Technical