Diamond: No spark
 


                                                                                

 

 

                                                                                                                                        

Diamond: +12V with key on at coil on at coil
Diamond: Check ignition switch,fuse,wiring
 

 


                                                                                                                                                                                                                 No

                                                                                    

 

 

                                                                                                                                                                                  Yes

 

Diamond: Use test light between coil + and -,crank engine-light flash ?
 


Diamond: Check cap,rotor,wires,coil High voltage problem Diamond: Check points,ground strap on breaker plate, condenser, wire to- on coil                                                                                                                                 

 

 

 

                                                                                                                         Yes                                                                           No