Owners manual

Parts included in this Kit:

1 – Shift Light 1 - Mounting Bracket 1 - Parts Bag

MSD Digital Shift Light

with Adjustable Intensity

PN 7542

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

always remove the Negative cable ﬁrst and install it last.

This MSD Shift Light features two switches that allow the driver to control the LEDs' intensity. This unit

is designed to be used with MSD's Programmable Series of Ignition Controls. It can also be used in

conjunction with an RPM Activated Switch (such as MSD's PN 8950 or PN 8956).

WIRING

Figure 1 Connecting to a Programmable Ignition.

PN 7542

SHIFT LIGHT

BLACK

PROGRAMMABLE

SERIES MSD IGNITION

YELLOW

RED

Connects to a switched 12 volts.

Activation wire. Connects to the Yellow wire of a Programmable Ignition or

RPM Activated Switch.

Connects to ground.

Red

Yellow

Black

PROGRAMMING

To change the intensity of the LEDs, turn the ignition On. Press either of the two buttons until the

LEDs light on. Then, press or press and hold the + or - button to adjust the LEDs accordingly. When

adjusted to your requirements, simply release the button and in two seconds the light will turn off

and is programmed.

M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4

ONLINE PRODUCT REGISTRATION: Register your MSD product online and you’ll be entered

in our monthly 8.5mm Super Conductor Spark Plug Wire give-away! Registering your product

will help if there is ever a warranty issue with your product and helps the MSD R&D team create

new products that you ask for! Go to www.msdperformance.com/registration.

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MSD Digital Shift Light with Adjustable Intensity PN 7542 ONLINE PRODUCT REGISTRATION: Register your MSD product online and you’ll be entered in our monthly 8.5mm Super Conductor Spark Plug Wire give-away! Registering your product will help if there is ever a warranty issue with your product and helps the MSD R&D team create new products that you ask for! Go to www.msdperformance.com/registration.
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CONVENTIONAL IGNITIONS The PN 7542 can also be used with a conventional or performance ignition system, though an RPM Activated Switch, such as MSD’s PN 8950, is required to drive the Light (Figure 2). BATTERY NEGATIVE HEAVY BLACK BATTERY POSITIVE HEAVY RED MAGNETIC PICKUP N WHITE RED RED RPM ACTIVATED SWITCH PN 8950 AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR., EL PASO, TX.