
GENERAL
2-20 / Mid-Mount Ascendant Aerial Tower
© 2021 Pierce Manufacturing Inc. All Rights Reserved.
2-1.13 Lower Power Distribution
Figure 2-19: Lower Power Distribution
POM0832, POM0838, POM0839, POM0856
Item # Description and Function
77.
J1939 DIAGNOSTIC ICONNECTOR.
The diagnostic connector allows diagnostic tools such as laptop
computers to connect to the apparatus electronics to assist in troubleshooting faults.
78.
DIAGNOSTIC USB INTERFACE PORT.
Used to connect USB cable and laptop to Command Zone
system for aerial calibration and aerial control software updates.
79.
RELAYS.
Refer to truck’s specific wiring diagrams for additional information.
80.
FUSES.
Refer to truck’s specific wiring diagrams for additional information.