
© 2021 Staheli West
35
Tractor Preparation
Battery Cut
Off Relay
Display
Off Delay
Relay
*Camera
Monitor
Tractor Cab
Pass Through
To
Brakes
12 V
Option A
Tractor Trailer
Light Plug
Option B
OR
AUX
Power Plug
*AUX
Power
*Gazeeka
To
Steamer
Tractor Harness
Fuse Block
Brake Controller
Battery Box Wire Harness (11547)
Tractor Cab Wire Harness (11546)
Trailer Brake Light Signal
Battery Box
Main Fuse
To Tractor
Cab Harness
From Battery
Box Harness
*Optional Power Sources
Install the battery box wire harness by connecting it directly to the tractor battery and then routing the harness
into the tractor cab. Many tractors will have pop outs in the floor of the tractor that the harness can be routed
through. If the tractor does not have pop outs, route the harness to the rear window of the tractor.
If tractor has a
cutoff switch,
connect on the
non-battery/
open side.
Connect the tractor cab wire harness and connect all necessary components. The
AUX Power plug must be plugged in. There is a spare *AUX Power outlet provided
to power anything else that is needed.
Option A - Use if tractor sends 12 V on the bottom
pin of the tractor trailer light plug only when the brake
pedal is pressed. Plug in the 2 pin deutsch connector
that is part of the light harness on the steamer.
If the bottom pin has constant 12 V, or has no power even
when brake pedal is pressed, use Option B.
Option B - Use if tractor sends constant power, or no
power (even with brake pedal pressed) to the bottom
pin on the trailer light plug. Connect the deutsch plug
that has an open wire. Splice the open wire into a brake
light or some other 12 V source that is only active when
the brakes are engaged.
Trailer Brake
Lights
Brake Light
Summary of Contents for DewPoint 331
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