Owners manual

Figure 2 Connecting with an RPM Activated Switch.
IGNITION
TM
Multiple
Spark
Discharge
BLACK
RED
RED
ORANGE
HEAVY RED
HEAVY BLACK
BATTERY
NEGATIVE
BATTERY
POSITIVE
MAGNETIC
PICKUP
WHITE
TO POINTS
OR AMPLIFIER
WHITE
PN 8950
ON OFF
RPM
ACTIVATED
SWITCH
AUTOTRONIC CONTROLS CORPORATION
1490 HENRY BRENNAN DR., EL PASO, TX. 79936
BLACK
12 VOLTS
TO GROUND
TACH
OUTPUT
COIL
(-)
(+)
RPM
SWITCH
PN 8950
YELLOW
PN 7542
SHIFT LIGHT
RED
YELLOW
BLACK
CONVENTIONAL IGNITIONS
The PN 7542 can also be used with a conventional or performance ignition system, though an RPM
Activated Switch, such as MSD’s PN 8950, is required to drive the Light (Figure 2).
Limited Warranty
M SD warrants this product to be free from defects in material and workmanship under its intended normal use*,
when properly installed and purchased from an authorized MSD dealer, for a period of one year from the date of
the original purchase. This warranty is void for any products purchased through auction websites. If found to be
defective as mentioned above, it will be repaired or replaced at the option of MSD. Any item that is covered under
this warranty will be returned free of charge using Ground shipping methods.
This shall constitute the sole remedy of the purchaser and the sole liability of MSD. To the extent permitted by
law, the foregoing is exclusive and in lieu of all other warranties or representation whether expressed or implied,
including any implied warranty of merchantability or fitness. In no event shall MSD or its suppliers be liable for special
or consequential damages.
*Intended normal use means that this item is being used as was originally intended and for the original application
as sold by MSD. Any modifications to this item or if it is used on an application other than what MSD markets the
product, the warranty will be void. It is the sole responsibility of the customer to determine that this item will work for
the application they are intending. MSD will accept no liability for custom applications.
Service
In case of malfunction, this MSD component will be repaired free of charge according to the terms of the warranty.
When returning MSD components for warranty service, Proof of Purchase must be supplied for verification. After
the warranty period has expired, repair service is based on a minimum and maximum fee.
All returns must have a Return Material Authorization (RMA) number issued to them before
being returned. To obtain an RMA number please contact MSD Customer Service at 1 (888) MSD-7859 or visit
our website at www.msdperformance.com/rma to automatically obtain a number and shipping information.
When returning the unit for repair, leave all wires at the length in which you have them installed. Be sure to include
a detailed account of any problems experienced, and what components and accessories are installed on the vehicle.
The repaired unit will be returned as soon as possible using Ground shipping methods (ground shipping is covered
by warranty). For more information, call MSD at [phone]. MSD technicians are available from 7:00 a.m. to
5:00 p.m. Monday - Friday (mountain time).
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
© 2012 Autotronic Controls Corporation
FRM29405 Revised 02/12 Printed in U.S.A.