MSD Power Grid Power Module 77643 Installation Instructions Manual page 2

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2
A power wire must be installed to the Power
Module from the positive Battery Terminal
with an Automotive grade wire rated for heat
and fluid resistance.
ORANGE - OUTPUT 2 (12GA)
ORANGE - INPUT 2 (20GA)
PINK - OUTPUT 3 (12GA)
PINK - INPUT 3 (20GA)
ECT
(ENGINE COOLANT
TEMPERATURE SENSOR)
BROWN - TEMP SENSOR
REFERENCE (GND) (20GA)
WHITE - SENSOR SIGNAL (20GA)
M S D
W W W . M S D P E R F O R M A N C E . C O M
FASTENING SCREW
FOR MAIN POWER FEED
APPLY A SMALL AMOUNT
OF SUPPLIED LOCTITE 242
TO FASTENING SCREW
CAUTION
DISCONNECT
FROM
BATTERY
BEFORE
REMOVING
Figure 1 PN 7764 Power Grid Power Module
Figure 2 Power Module Harness
INSTALLATION INSTRUCTIONS
CAUTION!
DISCONNECT WIRE
FROM THE BATTERY
BEFORE INSTALLING.
TO
TO BATTERY +
WIRE SIZE SELECTION GUIDE
Current Rating AMP Minimum Wire Size AWG
80
60
20
POWER SUPPLIED
WITH CAN PIGTAIL
(WHEN THE POWER GRID
IS NOT USED)
RED - OUTPUT 1 (12GA)
RED - INPUT 1 (20GA)
YELLOW - OUTPUT 4 (12GA)
YELLOW - INPUT 4 (20GA)
( 9 1 5 )
8 5 7 - 5 2 0 0
SEALED
MINI USB &
COVER
4
6
12
12V
GROUND
F A X
( 9 1 5 )
8 5 7 - 3 3 4 4

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