ENGINEERING COMPANY INC.
51 Winthrop Road
Chester, Connecticut 06412-0684
Phone: (860) 526-9504
Internet: www.whelen.com
Sales e-mail: autosale@whelen.com
Customer Service e-mail: custserv@whelen.com
Wiring the 4800 OSC...
The following tables are designed to provide the installation technician with information necessary for a suc-
cessful installation. Tables 1 and 2 represent mandatory connections that must be performed in order for the
4800 OSC to function properly. Tables 3, 4 and 5 provide the wiring connections for lightbars equipped with
any of the options listed in these tables. If any of these options are not present, the appropriate wires should be
capped to prevent any accidental wire grounding. Table 6, as described later, indicates the wire connections
necessary for any 4800 OSC lightbars equipped with "4800ROTA" option. Please read the note located above
Table 6, as this serves to clarify the wiring procedure specific to this particular option. Table 7 indicates the
necessary connections if your lightbar is configured with either the "RLC2" or "RLC2W" option. IMPORTANT:
The outer surfaces of this product may be cleaned with mild soap and water. Use of any other chemicals may
void product warranty. Do not use a pressure washer.
Wire Color
Gage
RED
BLACK
RED/BLACK
WHITE/BLACK
Wire Color
Gage
VIOLET
18
WHITE
18
Wire Color
Gage
BROWN
18
BLUE
18
GREEN
18
©1996 Whelen Engineering Company Inc.
Form No.13126C (092199)
®
Table 1: Lamp Connections
14
POSITIVE CONNECTION: FRONT HALOGEN LAMPS (+12 VDC)
14
NEGATIVE GROUND: FRONT HALOGEN LAMPS
14
POSITIVE CONNECTION: REAR HALOGEN LAMPS (+12 VDC)
14
NEGATIVE GROUND: REAR HALOGEN LAMPS
Table 2: Motor Connections
NEGATIVE GROUND: ALL MOTORS
POSITIVE CONNECTION: ALL MOTORS (+12 VDC)
Table 3: Alley Lamp Connections (If so equipped)
NEGATIVE GROUND: BOTH ALLEY LIGHTS
POSITIVE CONNECTION: DRIVER SIDE ALLEY LIGHT (+12 VDC)
POSITIVE CONNECTION: PASSENGER SIDE ALLEY LIGHT (+12 VDC)
For warranty information regarding this product, visit www.whelen.com/warranty
Wiring Connections for the
4800 OSC AdvantEdge® Lightbar
Function
Function
Function
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