no start on 1992 Mazda B2600

no start installed new dis ,coil ,plug ,and wires still no spark does this truck have a main relay? any ideas what up

by in Eldridge, IA on June 21, 2011
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1 answer
ANSWER by , June 21, 2011
you need to verify voltage to the coil. it has to have 12 volts with the key on. from there, it gets a bit more complicated and needs someone who understands the system to find the failure. you have replaced all the basics, now you need help finding the real problem before spending more money for nothing. let a shop check it for you to find the failure. Roy