Operation
TIMING ADJUSTMENT
Refer to the vehicle's service manual for procedures to adjust timing. DO NOT ATTEMPT TO
ADJUST TIMING WITHOUT MANUFACTURER'S SPECIFICATIONS.
TROUBLESHOOTING
NOTE:
If the timing light readout becomes inoperative or locks up during use, disconnect and
reconnect the timing light's positive battery clamp from the battery to reset the unit.
If the timing light fails to operate, make the following checks:
a.
Make sure the battery clips are firmly connected to the battery terminals.
b.
Make sure the battery clip polarity is correct (red clip to positive terminal, black clip to negative
terminal).
c.
Make sure the upper and lower ferrite cores of the inductive pickup clip are clean. Clean the
inductive pickup clip if necessary (refer to Chapter 3).
d.
Make sure the inductive pickup clip is properly connected to the No. 1 spark plug cable.
e.
Make sure the No. 1 spark plug is working properly:
■
Connect the inductive pickup clip to another spark plug cable.
■
If the timing light flashes, service the No. 1 spark plug before continuing.
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