Fig. 1 fig. 2, Toad side rv side, System wiring diagram – Blue Ox BX88175 User Manual
Page 7: Box brake unit

© 2002, 2006
Blue Ox Division, Automatic Equipment Mfg. Co. • One Mill Road, Industrial Park
Pender, Nebraska 68047 • Phone 402-385-3051 Fax 402-385-3360 •
CABLE
SELF TAP
SCREWS
FIREWALL
CABLE STOP
REMOVABLE
RUBBER
PEDAL COVER
CABLE HOUSING
FIG. 1
FIG. 2
RV FUSE
PANEL
RV
BRAKE
SWITCH
LIGHTED
SWITCH
RV DASH
SYSTEM WIRING DIAGRAM
GROUND
GROUND
TOAD
BRAKE
SWITCH
20 AMP
POWER
FUSED
BREAK
AWAY
SWITCH
TOAD
BATTERY
+
_
TOAD SIDE
RV SIDE
BOX
BRAKE
UNIT
GREEN
YELLOW
BROWN
WHITE
292-5958 10/07 Page 7 of 10
12 VOLT
FUSE PANEL
CONSTANT
UNLIGHTED
SWITCH
12 VOLT
FROM
IGNITION
MOM.
TEST
ANTI-
THEFT
"ON"
TOW
CAR FUSE
PANEL
(IGNITION)
RELAY
CONNECTION
ACROSS TOWBAR
VEHICLE BRAKE LIGHTS
CUT BRAKE WIRE THAT IS HOT
WHEN BRAKE IS APPLIED
BRAKE PEDAL
(use brake pedal
assembly here if
needed)
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