Shimano GRX RX 815 Series Dealer's Manual page 81

INSTALLATION/REMOVAL
Installing the battery
` When the wiring to the battery is built into the frame
If the frame wiring hole is between the installation holes of the bottle cage, you can use an
electric wire cover for the battery mount.
1.
Set the electric wire to the electric wire cover.
(1) Check the electric wire that will be connected to the battery.
(2) Set the electric wire to the groove of the electric wire cover.
(3) Install the electric wire cover to the battery mount.
2.
Connect the electric wire to the E-TUBE port of the battery mount.
Refer to Step 5 of "When the wiring to the battery is external".
(1)
To junction [B]
(2) (3)
Battery mount
To junction [B]
Electric wire
Electric wire cover
81