TM9-2330-368-14 & P
(3) Remove nuts (5) from studs (6) at 19
4-12. TESTING ELECTRICAL SYSTEM (cont)
positions along frame securing wiring
harness (4) and remove clamps (7)
b. Check Wiring Harness Continuity.
from harness.
(4) Remove four lock nuts (8) and cap
and 4-11).
screws (9) to free ground lead (11),
connector (12) and cover (13) from
(2) Check for continuity between each
frame. Remove lock washer (10).
light lead wire and the chassis. If there
is an open circuit, first check lamp. If
NOTE
lamp is defective replace it. If there is
To make installation easier, tape
still an open circuit, repair lead wire or
connector bundles to main harness
replace light.
if desired.
(3) Connect all wire connectors at lights.
(5) Feed wire harness (4) through grom-
mets (14 and 15) and along frame while
(4) Check for continuity between wiring
pulling harness through frame hole for
harness connector pins A, B, C, E, F
connector (12). Continue to do this un-
and J and pin D (ground). Each circuit
til the entire harness can be pulled out
through the hole.
is a broken wire and wiring must be re-
paired or replaced.
b. Cleaning and Inspection.
c. Check Intervehicular Cable Continuity.
(1) Clean wiring harness with a clean rag.
Check for continuity between individual
connector pins and socket on opposite ends
(2) Inspect wiring for cuts, breaks and
of cable at terminals A, B, C, D, E, F and
loose connections, and connectors and
cover for damage.
If any circuit is open, replace cable.
c. Repair.
(1) If connector (12) is damaged, and har-
ness is in good condition, replace con-
4-13. WIRING HARNESS
nector. Unsolder individual wires from
connector and re-solder wires to new
Materials/Tools
connector as shown on the schematic
General mechanics tool kit
Electrical tool kit
(2) If any connector terminal (1) is dam-
aged, replace it. Push back shell (2) on
wire to expose terminal (1), remove
defective terminal, and crimp a new
NOTE
terminal on end of wire. Pull shell over
Remove complete harness only if required
terminal.
to effect repair or replacement.
(3) If individual harness wires extending
a. Removal.
from the harness loom are broken, cut
off defective piece of wire and splice
(1) Tag and disconnect harness connectors
on new length of wire. Install new
(1 and 2) at all lights.
terminal (1) and shell to new wire
(step 2).
(2) Remove tyraps (3) around harness (4)
at composite light mounting bracket.
4-18