MSD 8912 Installation

MSD DIS Dual Ignition Adapter

PN 8912

IMPORTANT: Read these instructions completely before attempting the installation.

WARNING: During installation, disconnect the battery cables. When disconnecting the battery,

always remove the Negative cable first and install it last.

Parts Included:

1 - Dual Ignition Adapter, PN 8912

Note: The Wiring Harness that goes to the coil packs and ECU of your DIS Ignition should be

equipped with several bullet connectors. This allows for easy installation of the Adapter. If
the Harness does not have the bullet connectors as shown in Figure 1, contact MSD’s
Customer Service and they will send you a special wiring Harness.

MOUNTINGMOUNTING

MOUNTING

MOUNTINGMOUNTING

1. Select a location to mount the DIS Adapter. Make sure it is away from direct engine heat
sources and that all of the wiring will easily reach the MSD Ignition.

2. Using the Adapter as a template, mark the location of the mounting holes. Remove the unit
and drill each location using a ¼” drill bit. Secure the Adapter using ¼” hardware (not supplied).

WIRING

The Adapter has six wires that need to be connected. The chart shows each wire’s application.
Figures 1 and 2 show how to wire the Adapter to the DIS Ignitions.

Black Connects to Ground
Red Connects to 12 volt (Ignition)

Input:

Brown/White Connects to the White wire going to the

Coils and ECU.

Brown/Green Connects to the Green wire going to the

Coils and ECU.
Output:

White Connects to the White wire going to the

MSD DIS Ignition

Green Connects to the Green wire going to the

MSD DIS Ignition.

Figure 1 Installation to an

MSD DIS-2 Ignition.

AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • [phone] • FAX [phone]

2 INSTALLATION INSTRUCTIONS

Figure 2 Installation to an MSD DIS-4 using Three Channels

Figure 3 Installation to an MSD DIS-4 Ignition using Four Channels

Limited Warranty

A

utotronic Controls Corporation warrants MSD Ignition products to be free from defects in material
and workmanship under normal use and if properly installed for a period of one year from date of
purchase. If found to be defective as mentioned above, it will be replaced or repaired if returned prepaid
along with proof of date of purchase. This shall constitute the sole remedy of the purchaser and the sole
liability of Autotronic Controls Corporation. To the extent permitted by law, the foregoing is exclusive
and in lieu of all other warranties or representations whether expressed or implied, including any implied
warranty of merchantability or fitness. In no event shall Autotronic Controls Corporation be liable for
special or consequential damages.

AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • [phone] • FAX [phone]

FRM24379 Revised 03/03 Printed In U.S.A.