What would cause there to be no spark with the distributor cap on but have spark with it off? 99 honda accord?

(2010-12-01 15:10:15) 1. 2crazi Says: That is easy: If yours still has a distributor cap then replace the rotor in it. Also I have seen down into the distributor is a round computer chip like wafer that is the size of a quarter. I have seen them go bad. Instead of paying big bucks you can get a used one for couple bucks at the junk yard.2. David Says: Where is the spark/no spark at? At the spark plug? Are you high?3. Frankie Says: I agree with Frankie, how do you have spark with the distributor cap off. Tag: What would cause there to be no spark with the distributor cap on but have spark with it off? 99 honda accord?