Question about 89 Speed Odometer

first off, Hi!! New to the List. I just bought a 89 Astro 4.3 for my Tinting Business. and the Speed Odometer does not work,any Help I looked underneth the Van. and did not see a Cable, But I am not Machanically Incine? Thanks :banghead:

It is a electronic speedometer. You could check fuses. After that, It could get pretty complicated. As you have the sensor and gears that drive the speed sensor at the tranny. Then you have the digital ratio adapter/controller(DRAC). Then the speedo head/cluster itself and all the wires between the three. It can be pretty confusing on these...

Thanks!! I will check the Fuses. First..