TM 9-2330-388-14
(f) Starting at the right marker light box, thread
NOTE
a lacing wire through the conduit. Attach the lead
assembly to the lacing wire, and pull the lead into right
As harness is being pulled Into conduit, coat
marker box.
harness with a silicon lubricant or mild soap
solution. Do not coat entire harness at one
(g) Install new terminal onto the lead assembly.
time.
(h) Place the three ends of the lead assembly
(e) Starting at left rear composite light box,
the left marker box into the access hole.
thread a lacing wire through conduit and out the front
access hole. Attach lacing wire to new harness, then pull
(i) Connect the right marker light lead to the
harness through conduit and out the composite light box.
lead assembly. Replace the gasket and cover, fig. 4-1.
Secure with eight screws.
(f) Disconnect lacing wire and thread it through
right composite light box, conduit, and out left composite
(j) Through the front access hole, connect the
light box. Attach lacing wire to wire harness and pull
left marker light lead assembly (No. 489) to the right
wiring harness out right composite light box.
marker light lead assembly. Connect the other two leads
to the receptacle lead (No. 21 - 489) and the wire
(g) In each light box, pull wiring harness leads
harness lead (NO. 21 - 489).
out of conduit and into light box. Install new terminals
onto each wiring harness lead.
(k) Replace the gasket and the front access
cover by securing with six screws, fig. 4-9.
(h) Connect all light leads to wiring harness
leads fig. 4-7.
(I) Connect the left marker light lead 489) to
the lead assembly. Replace the receptacle box cover
(i)
Replace all light box covers and gaskets.
and gasket by securing with eight screws.
(j) In the front access hole, connect harness
(m) Test operation of lights.
leads to receptacle and marker light leads.
(5) Wiring Harness Replacement.
(k) Replace front access hole cover and
gasket. Secure with six screws.
NOTE
(l)
Test operation of semitrailer lights.
The terminals must be removed to pull
harness through the conduit.
(6) Receptacle Assembly Replacement.
(a) One at a time, remove each marker light be
(a) Remove six screws from front access
cover and gasket on the semitrailer's left side, then
cover, fig. 49. Remove cover and gasket.
composite light box cover and gaskets. Disconnect all
wiring harness leads and cut the terminals from the
(b) Inside access hole, disconnect all electrical
wiring harness leads.
leads from the receptacle electrical leads. Remove
screw that fastens the receptacle ground leads to the
(b) Pull the portion of wiring harness that run
semitrailer.
across rear of the semitrailer out through the left rear
composite light box.
(c) Remove four screws and lockwashers from
the receptacle mounting plate and remove the receptacle
(c) Remove the front access cover and
and gasket, fig. 410.
disconnect all wire harness leads from the receptacle
and marker light leads, fig. 4-9.
(d) To install receptacle, reverse steps (a)
through (c).
(d) Pull the wiring harness out through the front
access hole.
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