MSD 6530 Digital Programmable 6AL-2 Installation - Manual (Page 4)

4 INSTALLATION INSTRUCTIONS
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WIRING
Ignition supply wire, 14-gauge. Connects to battery positive (+) terminal or battery
junction. Note: Do not connect to the alternator.
Ignition ground, 14-gauge. Connect to battery negative (-) terminal or engine block.
Primary Coil Leads (18-gauge)
Orange Connects to the coil positive (+) terminal. This is the only wire that makes contact
to the coil positive terminal.
Black Connects to the coil negative (-) terminal. This is the only wire that makes contact
to the coil negative terminal.
WARNING: High voltage is present at the coil primary terminals. Do not touch the coil or connect
test equipment to the terminals while the engine is running or cranking.
Trigger Wires(18-gauge)
Violet/ Magnetic pickup, 2-pin connector. Plugs into an MSD Distributor or Crank Trigger
pickup. Violet is positive, Green is negative. When this connector is used, the White
and White/Blue wires are not connected.
White/
White Trigger input for electronic ignition amplifiers, an ECU’s trigger or points.
When this wire is used, the magnetic pickup and White/Blue wires are not con-
nected.
Red On/Off switch wiring. Connects to a switched 12 volt source.
Green
2-Pin
Blue
2-PIN
CONNECTOR
Heavy
Red
Heavy
Black
2-PIN
CONNECTOR
8-PIN
CONNECTOR
Hall-Effect or ECU trigger. This wire connects to the trigger wire of the Hall-Effect pickup.
It can also be connected to an ECU trigger source (low voltage and current). See page
6. When used, the White and Magnetic Pickup wires are not connected.
Dark Blue Launch Rev Limit. When 12 volts are applied to this wire it will activate the Launch Rev
Limit and reset the Launch Retard. This overrides other rev limits.
Light Blue Burnout Rev Limit. When 12 volts are applied the Burnout Rev Limit is active.
Gray Tach output. This wire provides a 12 volt, 20° signal that is compatible with most tachs
and data acquisition systems.
Pink Retard Step. This retard is activated when 12 volts are applied and rpm is above the
Step1 Rpm value.
3-Pin Connector, MAP Sensor
Connects to an external MAP or gauge pressure sensor.
Brown/Violet +5 volt supply
Brown/Yellow Ground
Dark Brown Map Signal