Use the supplied SR-1 harness and follow the wiring diagram in the SR-1 user manual. We recommend the standard battery and ACC connections below.
Standard wiring
Red: battery positive (+).
Black: battery negative (−).
Yellow: the motorcycle’s ACC connection.
The specified input is 12–18 V DC. Keep the original 3 A inline fuse in the harness.
If you’re unsure which connection is ACC on your motorcycle, ask your installer to identify it before wiring.
Indicator output and electrical specifications
The SR-1 indicator output channel supplies DC 9.5 V, with a maximum total output current of 600 mA.
The original SR-1 indicator and the RM-1 mirror’s built-in indicator have the same electrical ratings:
Rated voltage per light: DC 9.5 V.
Rated power per light: 1 W.
Rated current per light: approximately 105 mA.
Using an accessory power controller
For another rider’s experience, watch AdvExplorerOz’s SR-1 installation and road test. The video includes an installation using a HEX ezCAN on a BMW R1250R.
How AdvExplorerOz installed it
On his BMW R1250R, AdvExplorerOz used the following setup:
He mounted the radar at the rear of the motorcycle, with a clear view behind the bike.
He routed the wiring along the existing navigation-mount cable route to keep it tucked away.
He connected the SR-1 power wiring to a HEX ezCAN accessory controller rather than directly to the battery.
In the ezCAN software, he set that accessory circuit’s electronic fuse limit to 7.5 A.
He set the circuit to switch off 10 seconds after the ignition was turned off.
The 7.5 A setting refers to his ezCAN output circuit. It does not mean replacing the SR-1’s original 3 A inline fuse with a 7.5 A fuse.
This is a user-tested setup, shared for reference. Research the wiring and controller settings for your own motorcycle before attempting a similar installation. We recommend following the standard wiring in the SR-1 manual.
The controller settings shown in the video are specific to that installation. They are not instructions to change the SR-1 inline fuse or join wires on every controller.
FAQs
Can I power SR-1 from USB?
USB power, including a USB-to-12 V converter, is not a supported SR-1 installation method. Use the supplied harness and the standard battery and ACC connections.
Where can I get a replacement power cable?
The SR-1 Power Cable is sold separately. For the rest of the setup, see the SR-1 getting started guide.
Can I use a third-party power manager with SR-1?
SR-1 requires a 12–18 V DC input, the supplied harness, and the original 3 A inline fuse. A third-party power manager or accessory controller must meet those power requirements, including a valid ACC connection. See Use a third-party power manager with your CHIGEE Display for what to check before using an accessory controller. We cannot advise on unsupported accessories. We recommend the standard battery and ACC wiring in the SR-1 user manual.