INSTALLATION INSTRUCTIONS
3
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( 9 1 5 ) 8 5 7 - 5 2 0 0
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F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
W W W . M S D P E R F O R M A N C E . C O M
Figure 4 PN89973 System
7730 Harness
(ONLY CAN BUS
PIGTAIL IS SHOWN)
CAN BUS HUB
PN 7740
CAN BUS
RESISTOR
REQUIRED
MASTER UNIT REPLACEMENT
Note: Before replacing the Master unit, the intended unit needs to be programmed by MSD View
according to the requirements of the sanctioning body. The checkboxes associated with the
regulated parameters must be checked in the REGULATED tab.
1. Connect the MSD Tech Tool to the CAN bus port.
2. Press “down” once for the readings of the Master unit to be displayed
3. Press “right” to replace the Master unit
4. Press “up” for two seconds to confirm the Master replacement
5. A message “MASTER REPLACED SUCCESSFULLY” will be displayed
OPERATION WITH THE 7730 POWER GRID
Connect the MSD Tech Tool to the Power Grid CAN bus. Scroll right to read the different
parameters, Modules connected, or to change the display settings.
The MSD Tech Tool displays the part numbers, serial Numbers and software version number of all
units connected on the CAN bus.
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If the Power Grid PN 7730 was operating for over an hour without the ARC Module the
background light will be green and the TC Timeout will read 0.
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If the ARC module was recently connected, the TC Timeout will read 60 minutes and the
background light will be red.
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While the 7730 operates with the engine running without the ARC module, the Timeout timer
within the 7730 will decrement in 3 minutes intervals. The background light of the MSD Race
Ignition Test Tool will be orange during values between 3 to 57 minutes.
