STABILITY MODULE
INSTALLATION/SERVICE
GUIDE (L31288W)
TM
Recommended speed sensor wheel locations are
shown in the figures below.
Sensor (S1A, S2A) should be installed on Road Side.
Sensor (S1B, S2B) should be installed on Curb Side.
Modulator Valve is plumbed to Road Side.
Modulator Valve is plumbed to Curb Side.
Make sure sensors are pushed firmly against the
exciter ring.
Any non-sensed axle can be lifted. One sensed
axle can be used as a lift axle, but not both.
Note:
At least one axle with speed sensors has
to be a non-lifting axle.
*
Note:
The pneumatic tube between Stability
Module Port 2 and the ABS Control Port 4
should be no longer than 80” (2 m) in total
length for a 3/8-inch diameter tube. Refer
to Page 14 for details on the pneumatic
connections of the Stability Module.
Legend
Air Hose Line:
Modulator Valve:
Stability Module:
Speed Sensors: S1A, S2A,
S1B, S2B
4S/2M Side-By-Side Configuration with Stability
Module [Multi-Axle Trailers with Lift Axle(s)]
21
22
ITCM
S2B
S1A
21
S1B
S2A
22
21
22
SM
SM
SM
SM
*
*
*
Page 19
