Mallory Ignition Mallory HYFIRE VII Series Electronic Ignition Controls 667C - Manual (Page 3)

WIRING PROCEDURE
Step 1
Ensure that your vehicle is equipped with a ground cable between the engine
block and firewall (10 gauge or larger is required). Refer to Figure 1 while per-
forming the following steps.
• Connect the HEAVY RED wire to the 12-volt battery (+) post or battery
(+) terminal on the starter solenoid.
• Connect the HEAVY BLACK wire to engine or chassis ground.
• Connect wires between the COIL (+) and (–) terminals.
• Connect 12-volts from ignition switch to the +12V terminal.
• Connect the tach/RPM sensing wire and optional external RPM control to
sockets.
Step 2
When wiring the HYFIRE ® VIIC Pro CD Ignition System to an electronic igni-
tion or magnetic pickup, refer to Figures 2 and 3, and trace wires for hookup.
YOU MUST USE suppression type
spark plug wire (carbon core, spiral
core) to help prevent false
triggering and premature ignition
or accessory failures. DO NOT USE
solid core (copper core, stainless
steel core) spark plug wire .
YOU MUST USE Mallory
PROMASTER
® Coil Part
N o . 2 8 8 8 0 w i t h t h i s
ignition system.
12V / IGNITION SWITCH
+
-
MALLOR
Y
PR
OMASTER®
COIL
P
AR
T NO
. 28880
STARTER
SOLENOID
(–) 12V/BATTERY (+)
ENGINE OR
CHASSIS
GROUND
TO THE STARTER
(TYPICAL)
ENGINE OR
CHASSIS
GROUND
HEAVY RED
IGNITION BALLAST
RESISTOR
AN IGNITION BALLAST RESISTOR
IS NOT REQUIRED FOR PROPER
OPERATION OF THE HYFIRE
® VIIC.
IF ONE IS ALREADY INSTALLED,
DO NOT REMOVE IT. IF A BALLAST
RESISTOR IS NOT INSTALLED, DO
NOT ADD ONE.
DISCONNECT UNTIL INSTALLATION IS FINISHED
TACH / RPM
SENSING WIRE
12V / BATTERY OR
BATTERY TERMINAL
AT STARTER
SOLENOID
– + – +
HYFIRE ® VII C PRO CD
IGNITION CONTROL
MAGNETIC PICKUP POINTS +12V COIL
(REAR PANEL)
TACH
TO HYFIRE ® VIIC
IGNITION CONTROL
HEAVY BLACK
ACTIVATION/RELAY
PLUG
FIGURE 1
SEE PAGE 4 FOR
INSTRUCTIONS
ON WIRING THE
RELAY PLUG
NOTE: The Ignition
Control
MUST be
connected for the
ignition to work.
Mallory-Ignition.com 2