It could be a number of things. I would start with the turn signal indicater under the steering wheel. Its also possible that the flasher could be bad. You should get a good wiring schematic for your van and trouble shoot from there. I dont change parts until I have proven by troubleshooting that they are bad. Just changing parts can get very expensive.
The bulbs should be checked on a 1993 Dodge Dakota if the taillights are not working. The plugs on the trailer package should also be checked to make sure that they are working.
If speedometer itself is working then gears inside the assembly are damaged.
A bad ground wire is the most common cause of turn signals and brake lights not working. The ground wire connection might be corroded.
Turning Point - 1993 Pilot 1-1 was released on: USA: May 1993
u could have a bad blower moter or a bad fan switch , try turning it on and hit the blower moter with something & it might turn on the one in my truck sometimes doesn't work & i tell my kids to kick it & it starts working.
Turning Point - 1993 Sinatra was released on: USA: 12 December 1996
Turning Point - 1993 Life After Death was released on: USA: 1 January 1994
Good Advice - 1993 Turning Thirteen 1-6 was released on: USA: 7 May 1993 Belgium: 6 July 1996
Your 1993 Dodge Caravan might start sometimes and not start other times because of a bad starter or solenoid. You might also have a weak battery or a charging system that is not working correctly. This could also be an issue with the distributor.
August 9, 1993. She will be turning 20 in 2013
Turning Point - 1993 Dead Drunk License To Kill was released on: USA: 30 November 1994
Sometimes Chimes was created in 1993.