MSD Ignition PN 6211 Manual

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4 INSTALLATION INSTRUCTIONS

AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344

WIRING

GENERAL WIRING INFORMATION

Wire Length: All of the wires of the MSD Ignition may be shortened as long as quality connectors

are used or soldered in place. To lengthen the wires, use one size bigger gauge wire (10 gauge for

the power leads and 16 gauge for all other wires) with proper connections. All connections must be

soldered and sealed.

Grounds: A poor ground connection can cause many frustrating problems. When a wire is specified

to go to ground, it should be connected to the battery negative terminal, engine block or chassis.

There should always be a ground strap between the engine and the chassis. Always securely

connect the ground wire to a clean, paint free metal surface.

ROUTING WIRES

The MSD wires should be routed away from direct heat such as the exhaust manifolds/headers and

any sharp edges. The trigger wires should be routed separate from the other wires and spark plug

wires. It is best if they are routed along a ground plane such as the block, fender well or firewall which

creates an electrical shield.

WIRE FUNCTIONS

The following chart describes what each wire of the MSD DIS Ignition is used for.

Power LeadsPower Leads

Power Leads These are the two heavy gauge wires (14 gauge) and are responsible for getting direct

battery voltage to the ignition.

Heavy RedHeavy Red

Heavy Red This wire connects directly to the battery positive (+) terminal, to a positive battery junction

or the positive side of the starter solenoid.

Note:

Do notDo not

Do not connect to the alternator.

Heavy BlackHeavy Black

Heavy Black This wire connects to a good ground, either at the battery negative (-) terminal or to the

engine.

RedRed

Red Connects to a switched 12 volt source, such as the ignition key or switch.

Brown/OrangeBrown/Orange

Brown/Orange

Connects to the positive (+) terminal/wire of the coil.

Note:Note:

Note: This is the only wire that makes electrical contact with coil positive (+).

Brown/WhiteBrown/White

Brown/White Connects to the negative (-) terminal/wire of the coil (Channel 1).

Note:Note:

Note: This is the only wire that makes electrical contact with channel 1 coil negative (-).

Brown/GreenBrown/Green

Brown/Green Connects to the negative (-) terminal/wire of the coil (Channel 2).

Note:Note:

Note: This is the only wire that makes electrical contact with channel 2 coil negative (-).

Brown/YBrown/Y

Brown/Y

ellowellow

ellow Connects to the negative (-) terminal/wire of the coil, (Channel 3 available on DIS-4 only).

Note:Note:

Note: This is the only wire that makes electrical contact with channel 3 coil negative (-).

Brown/VioletBrown/Violet

Brown/Violet Connects to the negative (-) terminal/wire of the coil, (Channel 4 available on DIS-4 only).

Note:Note:

Note: This is the only wire that makes electrical contact with channel 4 coil negative (-).

rigger Wiresrigger Wires

rigger Wires There is a trigger input wire for each channel from the factory electronic amplifier.

WhiteWhite

White This wire is used to connect to the electronic ignition amplifier output of channel 1.

GreenGreen

Green This wire is used to connect to the electronic ignition amplifier output of channel 2.

ellowellow

ellow This wire is used to connect to the electronic ignition amplifier output of channel 3.

VioletViolet

Violet This wire is used to connect to the electronic ignition amplifier output of channel 4.

BrownBrown

Brown Ignition interrupt feature. To activate, connect this wire to ground.

BlueBlue

Blue Two Step feature. To activate low rpm limit, connect this wire to ground.