Mallory Ignition ACCEL Ignition 35496 - Manual (Page 3)

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Figure 4 - Dual Fire Wiring Diagram
OPERATING MODES
A single 10 position rotary switch is used to select the operating mode.
Switch settings are as follows:
0 Street advance curves, dual fire, multi-spark disabled
1 Street advance curves, dual fire, multi-spark enabled
2 Street advance curves, single fire, multi-spark disabled
3 Street advance curves, single fire, multi-spark enabled
4 Race advance curves, dual fire, multi-spark disabled
5 Race advance curves, dual fire, multi-spark enabled
6 Race advance curves, single fire, multi-spark disabled
7 Race advance curves, single fire, multi-spark enabled
8 Not used
9 Race advance curves, single fire, kick start
The engine will not run if the mode switch setting does not match the
wiring hookup (i.e. you cannot select single fire mode with a dual fire coil
hookup).
Advance curve families are shown in Figures 6 and 7. Use the street
advance curves (mode switch settings 0-3) for stock or mildly modified
engines. Use the race advance curves (mode switch settings 4-7) for high
compression engines.
We recommend that you enable multi-spark. When multi-spark is
enabled, a continuous series of sparks is fired from the advanced timing
point until TDC. Most air-cooled engines require relatively cold spark plugs
to prevent detonation under high load. Multi-spark reduces the consequent
tendency for plug fouling at idle.
Switch setting 9 selects race advance curves, single fire, and kick start
mode. Multi spark is disabled.