Holley EFI - Connectors

7
Connectors
CAN1/Power
4 pin Mizu-P25 male receptacle connector used to connect main power and to a Holley EFI. The dual
connector allows the product to be connected to multiple devices on the CAN bus.
Pin
Function
Color
Description
1
+12V
WHT
Main power in
2
CAN1H
ORG/BLK
CAN_H Holley EFI communications
3
CAN1L
ORG
CAN_L Holley EFI communications
4
GND
BLK
GND
USB
The unit has two standard USB type A receptacles that can accept USB flash drives for saving data logs,
uploading gauge screen layouts, background images, or firmware updates.
CAN Adapter Harness
271R1075A CAN ADAPTER HARNESS - used to connect switched +12V ignition power (white wire)
and ground (black wire) to the dash, as well as for connecting to the main harness CAN connector.