Service Manual User Manual

Electrical System
10-53
Model 3606 • Origin 10/99
B. Parking Brake Indicator
This illuminates any time the parking brake switch is
applied and the ignition switch is in the RUN position.
C. Stabil-TRAK Indicator
This light illuminates when the Stabil-TRAK system is
activated.
b. Operators Display Panel Removal
IMPORTANT: Static electricity can cause damage to the
operators display panel. Avoid any manner of touching
(hands, tools, etc.) the printed circuit boards and termi-
nals. Disconnect the negative (-) battery cable at its bat-
tery terminal before beginning this procedure. Failure to
comply can result in damage to the operators display
panel and malfunction of the instruments and indicator
lights.
1. Disconnect the negative (-) battery cable at its
battery terminal (Fig. 10– 49).
Figure 10– 49. Disconnect the negative (-) battery cable
at the negative (-) battery terminal.
2. Remove the four internal-hex fasteners (Fig. 10– 50)
securing the operators display panel to the
dashboard housing.
3. Disengage the five quick-disconnect plug terminals at
the rear of the operators display panel. Remove the
panel from the vehicle.
Figure 10– 50. The operators display panel connects to the
cab wiring harness via five plug terminals.
c. Installation
1. Connect the five quick-disconnect plug terminals at
the rear of the operators display panel (Fig. 10– 50).
Install the panel by positioning it into the dashboard
housing and aligning the four fastener mounting
holes.
2. Install the four internal-hex fasteners securing the
operators display panel to the dashboard housing.
3. Connect the negative (-) battery cable to the negative
battery terminal (Fig. 10– 49).
4. Turn the ignition switch key to the RUN position
(Fig. 10– 51) and observe that all operators display
panel functions are operative per the following
diagnostic test:
OS1040
Negative (-)
Terminal
MS1680
Internal-hex
Fastener
Display
Panel
Five-plug
Connector
Dash Console
(ref.)