TM 5-3805-262-20
5-10. WIRING HARNESS MAINTENANCE (CONT)
a. Front Wiring Harness (cont).
TESTING (SHEET 2 OF 2)
(g)
Unplug front wiring harness connector
(2)
(3)
(4)
from rear wiring harness connector by
pushing connector nut, turning counter-
clockwise, and pulling firmly.
I d e n t i f y w i r e u n d e r t e s t u s i n g e l e c t r i c al
wiring diagram, figure FO-3, connect multi-
meter between ends of wire, and check mul-
t i m e t e r f o r c o n t i n u i t y i n d i c a t i o n . I f m u l-
t i m e t e r d o e s n o t i n d i c a t e c o n t i n u i t y , r e -
pair wire, connector, or terminal.
Connect multimeter between either end of
wire under test and good vehicle ground.
Check multimeter for no continuity (open
c i r c u i t ) i n d i c a t i o n . I f m u l t i m e t e r i n d i -
cates continuity, repair chafed or cut wire
i n s u l a t i o n .
Identify harness wires adjacent to wire under test. Connect multimeter
between either end of wire under test and each adjacent wire. Check mul-
t i m e t e r f o r n o c o n t i n u i t y ( o p e n c i r c u i t ) i n d i c a t i o n f o r e a c h t e s t . If
multimeter indicates continuity, repair chafed or cut wire insulation.
REPAIR (SHEET 1 OF 3)
NOTE
Remove clamps and cut, remove, a n d d i s c a r d t i e s t r a p s a s n e c e s s a r y f o r
a c c e s s t o w i r e s i n f o l l o w i n g s t e p s . I f n e c e s s a r y , c a r e f u l l y c u t o u t e r
covering from wiring harness to expose wires. If defective wire is not
a c c e s s i b l e f o r r e p a i r , o r i f w i r i n g h a r n e s s i s b a d l y d a m a g e d , n o t i fy
direct support maintenance to replace wiring harness.
(1) Repair cut or defective wire by cutting length of
wire. Strip 1/4 inch insulation from end of wires
through wires. Splice ends of new wire to ends of
sulated splice connectors.
same gage and color
taking care not to cut
harness wire using in-
(2) Repair cracked or broken wire insulation by wrapping insulation tape
around damaged area of wire.
(3) Repair cut or frayed harness outer covering by wrapping insulation tape
around damaged area.
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