5
Connections
Main Connector
A 34 pin CAN/power harness supplied with the Pro Dash and is used to for power, communications and I/O.
The following are the required connections:
Loose Black
– Connect to a “clean” ground source. Don’t ground to poor sources such as sheet metal, or a
ground point that does not have solid connectivity back to the battery.
Loose White
– Connect to a “clean” switched battery power source
Loose Red
– Connect to a “clean” continuous battery power source
“Clean” = a connection that does not share the same connections as “dirty” sources such as coils, a starter,
solenoids, fans, etc., that have a lot of electrical noise or solenoid fly-back voltage.
CAN
– Connect the harness from the CAN connector on the vehicles EFI main harness to the dash using the
supplied male/female
4’ CAN/Power extension. Place the supplied terminator into the empty CAN connector.
The terminator must be used at the end of the CAN cable.
Holley EFI main harnesses use two types of CAN connectors. Earlier harnesses use a 2 pin metripak
connector. The kit includes an adapter to go from this to the 4’ extension harness (note the white power and
black ground wires are NOT needed for the Pro Dash, but need to be connected if other CAN devices require it
for their power supply)
. Later harnesses plug directly into the 4’ extension harness.
Old Style CAN Adapter
Install CAN
terminator here.
Male/Female
CAN Extension
Cable
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