Most vintage RAC analyzers (like Model 566 or 560) use a three-lead system:
: Enthusiasts on the AACA Forums and FordSix often share photos or scans of specific wiring diagrams for RAC models. rac ignition tune up analyzer manual zip free
If the specific manual is unavailable:
Turn the dial to the desired test (e.g., "8-cylinder Dwell" or "Low RPM"). Calibration: Most vintage RAC analyzers (like Model 566 or
If the dwell is off, you must adjust the point gap inside the distributor. Tachometer (RPM) Test Switch to the "Tach" or "RPM" setting. rac ignition tune up analyzer manual zip free