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MSD Shift Light
PN 8952
ONLINE PRODUCT REGISTRATION: Register your MSD product online and you’ll be entered
in our monthly 8.5mm Super Conductor Spark Plug Wire give-away! Registering your product
will help if there is ever a warranty issue with your product and helps the MSD R&D team create
new products that you ask for! Go to www.msdperformance.com/registration.
Part s Inc luded :
1 - Shift Light 6 - Heat-Shrink Sleeves
1 - Rubber Grommet 2 - Mounting Screws
Note: RPM Modules are not supplied. A chart of Module Kits is listed at the end of these
instructions.
WIRING
Red Connect to switched 12 volts.
Black Connect to Ground.
Green RPM Input wire. Connect it to the tach output terminal of an MSD Ignition Control. On
factory inductive ignitions (without an MSD), connect to the coil negative terminal.
Note: Whenever the ignition is turned On, the Shift Light will illuminate for a couple seconds to indicate
that it is operational. If it does not light, check all of the wiring connections and for voltage on
the Red wire.
CYLINDER SELECT WIRES
The MSD Shift Light is programmed for operation on 8-cylinder engines. To program it for use on
other engines, cut the correct wire loop(s) as shown in Figure 1. Seal the cut wire ends with the supplied heat-shrink sleeves.
Figure 1 Cylinder Select of the Shift Light.
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2 INSTALLATION INSTRUCTIONS
Figure 2 Wiring with an MSD Ignition Control.
Figure 3 Wiring to a Points or Amplifier Ignition (non-MSD system).
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INSTALLATION INSTRUCTIONS 3
Figure 4 Wiring to a GM HEI Distributor.
Figure 5 Wiring to a Ford TFI Coil.
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RPM MODULE KITS
EVEN
INCREMENTS
3,000-3,800
4,000-4,800
5,000-5,800
6,000-6,800
7,000-7,800
8,000-8,800
9,000-9,800
10,000-10,800
11,000-11,800
Kits are supplied with five modules in 200 rpm increments.
PN 8743
PN 8744
PN 8745
PN 8746
PN 8747
PN 8748
PN 8749
PN 8750
PN 8751
3,100-3,900
4,100-4,900
5,100-5,900
6,100-6,900
7,100-7,900
8,100-8,900
9,100-9,900
ODD
INCREMENTS
PN 87431
PN 87441
PN 87451
PN 87461
PN 87471
PN 87481
PN 87491
RPM MODULE
SELECTORS
3,000-5,200
4,600-6,800
6,000-8,200
7,600-9,800
9,000-11,200
RPM Selectors feature a dial that
allows you to choose between 12
different rpm limits in 200 rpm
increments.
PN 8670
PN 8671
PN 8672
PN 8673
PN 8674
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 (915) 855-7123. MSD technicians are available from 7:00 a.m. to
5:00 p.m. Monday - Friday (mountain time).
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.
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© 2012 Autotr onic Controls Corporation
FRM28827 Revised 01/12 Printed in U.S.A.
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