MSD 8261 Installation
MSD HVC-2 Coil
PN 8261
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Parts Included
1 - HVC-2 Coil
4 - Vibration Mounts and Hardware
2 - Brass Lock Washers
2 - Ring Lug Terminals
2 - Brass Screws
WARNING: Disconnect the battery during installation. When disconnecting the battery, always
remove the negative cable first and install it last.
The HVC-2 Coil is designed to be used with an MSD 7, 8 or 10 Series Ignition Control only.
It is recommended to use 14-Gauge wiring for the primary coil wiring.
INSTALLATION
1. The Coil can be mounted in any position, but should be away from direct heat sources.
Use the Coil as a template and mark the location of the mounting holes. Use an 3/16” bit
to drill the holes.
2. Install the supplied vibration mounts to the coil and install the coil.
3. The MSD Orange wire connects to coil positive (+). Black connects to coil negative (-).
Note: It is recommended to use 14-Gauge wiring for the primary coil wiring.
4. Connect the coil secondary wire to the coil and distributor cap.
WARNING: Very high voltages are present at the coil when the engine is running. Never connect
any test equipment or touch the coil while the engine is cranking or running.
M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
2 INSTALLATION INSTRUCTIONS
INHIBIT
RAS
OUTPUT
RAS
IGN
TACH
START
RETARD
PNTS
M+
M-
RET #1
RET #2
RET #3
RET #4
LAUNCH
BURNOUT
COIL +
TRIG DIAG
COIL -
BATT -
BATT +
TM
TO BATTERY
NEGATIVE
TO BATTERY
POSITIVE
+
-
RED
MAGNETIC
PICKUP
ORANGE
BLAC
K
TO 12V
IGNITION
KEY
ORANGE
BLACK
Note: The Programmable Digital - 7 is supplied
with a coil harness and matching Deutsch
connector.
WARNING: Very high voltages are present at the coil when the engine is running. Never
connect any test equipment or touch the coil while the engine is cranking or
running.
Wiring to an MSD 7AL-3
M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
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