6 INS TAL LAT ION INS TRU CTI ONS
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
6. If there is no spark:
A. Inspect all of the wiring.
B. Substitute another coil and repeat the test. If there is now spark, the coil is at fault.
C. If there is still no spark, check to make sure there is 12 volts on the small Red wire from the
MSD when the key is in the "On" position. If 12 volts is not present, find another switched 12 volt
source and repeat the test.
D. If, after following the test procedures and inspecting all of the wiring, there is still no spark, the
MSD Ignition is in need of repair. See the Warranty and Service section for information.
If there is no spark, but the LED flashes, check for a coil problem.
The following wiring diagrams illustrate numerous installations on different vehicles and applications.
If you experience difficulties when installing your MSD, contact our Customer Support Department at
(915) 855-7123 (7 - 6 Mountain time) or e-mail us at: msdtech@msdignition.com
COIL TERMINALS
MSD supplies heavy duty, nickel plated terminals for the
connections. There is also a piece of heat-shrink sleeve to
cover the wire crimp.
MSD SYSTEMS Installing to an MSD Distributor/Crank Trigger.
COIL 1-
COIL 1+
COIL 2+
COIL 2-
TO 12 VOLTS
SUPPLIED JUMPER*
BLACK
ORANGE
TO SWITCHED
12 VOLTS
TO CHASSIS
HEAVY BLACK TO BATTERY NEGATIVE
HEAVY RED TO BATTERY POSITIVE
BLUE
GRAY
*NOTE: WHEN USING A SINGLE COIL, BOTH COIL POSITIVE
TERMINALS MUST BE CONNECTED TO THE COIL.
EITHER CONNECT BOTH ORANGE WIRES TO THE COIL,
OR USE THE SUPPLIED JUMPER TO CONNECT THE
COIL POSITIVE TERMIANLS AT THE TERMINAL STRIP.
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