INSTALLATION INSTRUCTIONS

5

PRESTART CHECK LIST

• TheonlywiresconnectedtothecoilterminalsaretheMSDOrangetocoilpositiveandBlackto

coil negative.

• ThesmallRedwireoftheMSDisconnectedtoaswitched12voltsource.

• TheMSDpowerleadsareconnecteddirectlytothebatterypositiveandnegativeterminals.

• Thebatteryisconnectedandfullychargedifnotusinganalternator.

• Theengineisequippedwithatleastonegroundstraptothechassis.

• Ifrunninga4or6-cylinder,thecylindercountmustbemodifiedinthePro-Data+Software.Default

is 8-cylinder.

LED

The LED on the side of the MSD monitors several operating conditions of the MSD. If the LED indicates

that there is a problem with the ignition system, follow the steps through the Troubleshooting section.

The LED will appear to be on steady at above idle speeds when everything is functioning properly.

•When12voltsareappliedtothesmallRedwire,theLEDwillturnontoindicatepower.

•Whencrankingorrunning,theLEDwillblinkforeachtriggersignal.

•Code2willflashforlowbatteryvoltage.

•Code3willflashforhighbatteryvoltage.

•Code4willflashforconverteroff(ignitionproblem).

WARNING: The MSD 6-Series Ignitions are capacitive discharge ignitions. High voltage is present

at the coil primary terminals. Do not touch the coil or connect test equipment to the

terminals.

Figure 2 Wiring the Programmable 6AL-2 Ignition with a Magnetic Pickup.

GREEN

PN 8860

HARNESS

VIOLET

OR

GREEN

VIOLET

DISTRIBUTOR

WITH

MAGNETIC PICKUP

MSD CRANK

TRIGGER WHEEL

DISTRIBUTOR

+

HEAVY RED

HEAVY BLACK

TO BATTERY

TO BATTERY

+

ORANGE (TO COIL +)

BLACK (TO COIL -)

WHITE

AMPLIFIER/POINTS

(NOT USED)

IGNITION KEY

TO 12V

RED

PINK

DARK BLUE

LIGHT BLUE

WHITE/BLUE

HALL-EFFECT

(NOT USED)

LAUNCH

(12V TO ACTIVATE)

BURNOUT

(12V TO ACTIVATE)

RETARD

(12V TO ACTIVATE)

GRAY

TACH OUTPUT

MAP

SENSOR

RED