Installation & mounting, Mounting methods, Terminal functions – Code 3 930 and 940 Flashers User Manual
Page 3: Warning
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Installation & Mounting
Mounting Methods
The units can be mounted using either the mounting tabs located at each end of the unit or the mounting
hole through the unit.
CAUTION: The units must be mounted away from heat sources and water splashes.
Terminal Functions
Terminal 1- Disable: All Outputs OFF.
When activated by +12VDC through a user supplied switch, all outputs will turn off as long as terminal 1
remains powered. Connect to vehicle low beam circuit to defeat flasher at night. This is an OPTIONAL
connection.
Terminal 2 - Flash: Activated by +12VDC.
When activated by +12VDC through a user supplied switch, the unit alternately flashes output terminals 9
and 10 at a 90 flash per minute rate.
Terminal 3 - Steady Burn: Output on terminal 10 is ON.
When activated by +12VDC through a user supplied switch, output will turn on in steady burn mode.
Terminal 4 - Steady Burn: Output at terminal 9 is ON.
When activated by +12VDC through a user supplied switch, output will turn on in steady burn mode.
Terminal 5 - Flash: Activated by +12VDC. (Model 940 only)
When activated by +12VDC through a user supplied switch, the unit alternately flashes output terminals 6
and 7 at a 90 flash per minute rate.
Terminal 6 - Output 1: 8 amps Maximum (Model 940 only).
Terminal 7 - Output 2: 8 amps Maximum (Model 940 only).
Terminal 8 - Steady Burn: Outputs at terminal 6 & 7 are ON.(Model 940 only).
When activated by +12VDC through a user supplied switch, outputs will turn on in steady burn mode.
Terminal 9 - Output 1: 8 amps Maximum.
!
WARNING!
Larger wires and tight connections will provide longer service life for components. For high
current wires it is highly recommended that terminal blocks or soldered connections be used
with shrink tubing to protect the connections. Do not use insulation displacement
connectors (e.g. 3M
®
Scotchlock type connectors). Route wiring using grommets and
sealant when passing through compartment walls. Minimize the number of splices to
reduce voltage drop. High ambient temperatures (e.g. underhood) will significantly reduce
the current carrying capacity of wires, fuses, and circuit breakers. Use "SXL" type wire in
engine compartment. All wiring should conform to the minimum wire size and other
recommendations of the manufacturer and be protected from moving parts and hot
surfaces. Looms, grommets, cable ties, and similar installation hardware should be used to
anchor and protect all wiring.
Fuses or circuit breakers should be located as close to the power takeoff points as possible
and properly sized to protect the wiring and devices.
Particular attention should be paid to the location and method of making electrical
connections and splices to protect these points from corrosion and loss of conductivity.
Ground terminations should only be made to substantial chassis components, preferably
directly to the vehicle battery.
The user should install a fuse sized to approximately 125% of the maximum Amp capacity
in the supply line to protect against short circuits. For example, a 30 Amp fuse should
carry a maximum of 24 Amps. DO NOT USE 1/4" DIAMETER GLASS FUSES AS THEY
ARE NOT SUITABLE FOR CONTINUOUS DUTY IN SIZES ABOVE 15 AMPS. Circuit
breakers are very sensitive to high temperatures and will "false trip" when mounted in hot
environments or operated close to their capacity.