MSD 8987 Start and Step Timing Control Installation - Manual (Page 2)

2 INSTALLATION INSTRUCTIONS
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Figure 2 Wiring the Control with an MSD 6 Series Ignition Control.
MAG PICKUP
(NOT USED)
POINTS
DISTRIBUTOR
WHITE WHITE
STEP RETARD
PINK
ORANGE
BLACK
MOUNTING
It is suggested to mount the unit within easy reach for adjustments. The Control can be mounted
under the hood but should be away from direct engine heat sources. Make sure the wiring reaches
the connections and mark the mounting holes. Use an 1/8” bit to drill mounting holes and mount the
unit.
WIRING:
Red:
Red: On/Off. Connects to a switched 12 volts.
Black: Ground. Connects to ground.
Yellow: Trigger output. Connects to the MSD Ignition’s White wire or Points input terminal.
Green/Violet: Magnetic Pickup Input. This 2-Pin connector plugs into the MSD crank trigger pickup
or magnetic pickup of an MSD Distributor. (Never use when the White wire is used).
White: "Points" or Amplifier Input. Connects to points or amplifier trigger. (Never use when the
mag pickup is used).
Pink: Retard activation wire. Activated when connected to 12 volts.
Important: After installation the engine’s mechanical timing must be checked and reset.