Mazda Repair: ground problem, mazda mx6, crankshaft sensor

Question
i have a 94 Mazda mx6 and i have yet to find out why i am not getting fire to my plugs replaced my distributor and the computer and the crankshaft sensor and still nothing. i think its got to be a ground problem cause when i go to use a test light to check my fuses in the car i have no ground on the body.

Answer
that would be the best place to start then if you have no ground when probing electrical. check from battery to body  and from motor to body there will be large and small ground wires i can look at wiring diagrams if need me to try and help you out i do have one for that model year