MSD 8231 Installation

MSD GM Blaster Single Connector Coil

PN 8231

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IMPORTANT: Read instructions before attempting the installation.

Parts Included:

1 - Blaster GM Single Connector Coil 1 - Parts Bag with Mounting Hardware

WARNING: During installation, disconnect the battery cables. When disconnecting the battery,
always remove the Negative cable first and install it last.

This MSD Blaster Coil is designed as a replacement coil and produces a high voltage spark. To get
even more ignition performance, install an MSD Ignition Control. To ease the wiring with an MSD
Ignition, use Harness, PN 8877.

1. Disconnect the stock coil connector and the spark plug wire.

2. Remove the mounting hardware and remove coil.

3. Install the new MSD Coil.

4. Plug in the wiring harness and connect the coil wire.

WARNING: High Voltage is present on the coil terminals. DO NOT touch the coil terminals or tower

when the engine is cranking or running.

Figure 1 The MSD GM Blaster Single Connector Coil.

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

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

HARNESS PN 8877

FACTORY HARNESS

(UNPLUGGED FROM COIL)

RED

RED

WHITE

VIOLET (+)

MAGNETIC PICKUP

(NOT USED)

GREEN (-)

REV

LIMITER

GRAY

DIGITAL 6AL

TACH OUTPUT

COIL

ORANGE

ORANGE

BLACK

BLACK

WHITE

Figure 2 Installation with an MSD 6 Series Ignition.

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).

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.

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

© 2013 Autotr onic Contro ls Corporation

FRM28781 Revised 01/13 Printed in U.S.A.