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Test Number IS--Dwell Anqle--Electronic!gn!t!qnSystems
(Electronic Solid State or Transistor Ignition Systems)
General--
Due to the vast array of electronic ignition and engine control systems
being used on late model cars, it is essential that specific service
information for the vehicle under test be obtained.
Although Dwell
Angle is not adjustable on electronic systems, the reading obtained is
important and should be within the manufacturer's speclfled limits.
If
it is not, consult the manufacturer's shop manuals for diagnostic procedures,
Preparation for tests--
Before beginning tests, always check the zero adjustment of the instrument
as outlined under Description--Zero Adjuster, above.
Attach the test leads
to the instrument and proceed to the section in this manual describing,
CONNECTIONS FOR TESTING the appropriate vehicle.
CONNECTIONS FOR TESTING
Ford--
On Ford cars with 1974 electronic ignition systems, use the Ford adapter
pin as shown in Figure29, below.
Connect the GREEN clip from the Craftsman
Engine Analyzer to the adapter pin.
Connect the RED cllp to the positive
battery terminal and the BLACK clip to a clean and secure ground such as
the engine block.
TO IGN.
TO DIST.
SWITCH
FORD
ADAPTER
DWELL CONNECTION TO
1974 FORD ELECTRONIC
IGNITION SYSTEM
FIGURE 29
On Ford cars with insulated
call term(neis,
lift the dls-
trlbutor
terminal
and slide the
Ford Adapter
€lip in place as
shown, then push the terminal
dawn on it.
Remove when the
tests are finished.
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