78
Users Manual
30
r
How to Measure Dwell on Conventional Igni-
tions
Dwell is the number of degrees of distributor rotation that
the points remain closed or magnetic saturation time.
The following procedure demonstrates how to measure
dwell on conventional ignitions.
1. Insert the test leads into the jacks (Figure 13).
2. Turn the rotary switch to
m
.
The meter is in the dwell function. The display shows
r
and "OL".
The meter defaults to 4 cylinders when the meter
turns on or comes out of standby mode.
3. Press
R
momentarily to step through the number
of cylinders (5, 6, 8, 3, and back to 4).
The meter displays the number of cylinders followed
by "-CL".
4. Clip the black lead to ground and the red lead to the
distributor side (-) of the coil as shown in Figure 13.
5. Start the car. Read the display.
Dwell is displayed in degrees.
Note
The wider the point gap, the less the dwell; the
narrower the point gap, the greater the dwell.
