TM 5--2350--378--24&P
0027 00--4
REPLACE HDC CIRCUIT BREAKER AND POWER DISTRIBUTION COMPONENTS --
Continued
0027 00
INSTALLATION
WARNING
Ensure that vehicle power is off and battery disconnected. Remove all jewelry, such
as rings, dog tags, bracelets, etc. If jewelry or disconnected battery ground cable
contacts battery positive terminal, a direct short will result, causing instant heating of
tools, tool damage, battery damage, or battery explosion. Failure to comply may
result in severe injury or death.
NOTE
Wiring connections to parking brake relay should be made using screws attached to
relay. New lockwashers should be used. If attaching screws are damaged or
missing, obtain new screws locally.
1.
Install in--line connector (Figure 3, item 3), “Y” --connector (Figure 3, item 2), and lead assemblies (Figure 3,
item 1), in right terminal or trailer receptacle and trouble light circuit breaker (Figure 3, item 4), located behind
driver’s compartment switch and gauge panel.
2.
Install lead assembly 1070 (Figure 3, item 6) on terminal B2 of parking brake relay (Figure 3, item 5) with
new lockwasher.
Figure 3. Installing Power Distribution Components