Installation Manual
4 SpeedTech Lights, Inc © 2019
DOME
®
BEACON
Magnet Mounts (Included on Model Y-DMBM12 Only)
• Model Y-DMBM12 comes included with magnetic mounts pre-attached.
• Ensure all magnets are secured to a at surface.
Cigarette Lighter Plug Switch Operation (Sold Separately)
On/O Switch:
• On Position: Turns on the Beacon.
• O Position: Turns o the Beacon.
Flash Pattern Button:
• Button cycles to the next ash pattern with each press.
• Non-Volatile memory recalls the last ash pattern selected.
• Hold ash pattern toggle for 1-3 seconds to toggle previous ash pattern.
• Hold ash pattern toggle for 3-5 seconds to jump to the rst pattern.
Extension Cable (Sold Separately)
• If you have an extension cable with no connectors, you will need to cut in the middle of
the main cable harness coming out of the Beacon. You will solder, and heat shrink each
wire within the cable harness to each wire in the extension cable harness. DO NOT
cross connect wires. Use the connector at the end of the main cable harness to plug
into the control box. DO NOT leave connectors, cables, solder points exposed to heat,
moisture, or debris.
Wiring Diagram
Wire Color Function
Red*
Positive
Black*
Negative
Blue
Flash Pattern
Yellow
Sync (Pattern Synchronization)
* Indicates a main power cable. NOTE: Flash pattern cable contacts Negative cable.
Specications
Voltage
12 VDC
Amps < 2
LED Count 12
Cable Length 1’
Flash Patterns 29