I READ IN THE MANUAL THAT YOU HAVE TO USE BLUE COILS WITH THE BLUE CDS. HAS ANY ONE MIXED AND MATCHED THESE WITH THE BLACK CDS OR COILS? ALSO HOW DOES ANY ONE CHECK THE STATOR? THE MANUAL KEEPS REFERING TO THE PEAK READING METER. CAN A REGULAR DIGITAL METER DO THIS? MINE IS A SPERRY 350.