Ford 65U Manual page 70

Heat Shrinkable
Shrink) (Ford Specification ESB-
M99D56-A2) Heat
tubing is available
diameters for different splice sizes
and configurations. When shrunk, it
forms a small, flexible hermetic
seal. Other methods (tape, PVC
mold, etc.) do not provide a
hermetic seal and
recommended. Splice balancing is
critical with heat shrink insulation. If
the splice is extremely unbalanced
(more circuits on one side than the
other), heat shrink insulation will
not provide a proper seal. Evaluate
the use of double terminals instead
of splices where practical in these
situations.
Wire Protection Requirements
General Notes:
• Anticipate problems and design
accordingly. Try to anticipate what
could go wrong and modify
your designs to
adverse impact.
• Review all connector applications
and electrical systems to determine
the need for solder,
weather-resistant
c o n n e c t o r s . M a k e
components and wire insulation are
c o m p a t i b l e w i t h
connectors (important for long term
durability).
• Make sure that drip loops or other
G G
G G
ENERAL UIDELINES
ENERAL UIDELINES
Tubing (Heat means are provided to prevent
water leakage into the vehicle
shrinkable through wiring
in various pass through the dash panel.
• Use
connectors in floor pan troughs
which are subject to moisture
coming through the carpeting.
• Use
are not uncovered runs that exceed 305
mm (12 inches).
Electrical Protection
• Properly route wires away from
n o i s e - g e n e r a t i n g
components. However, if routing
near noisy wires or plugging into
noisy components is unavoidable,
additional
designed into the harness.
• Shielding — Electro Magnetic
Interference (EMI) — Consider
shielding if you must route close to
high-current or noisy circuits. Use
shielded wire and ground one side.
address any Seal all splices in wire assemblies
that use bare coaxial shielding
(braid or tape) for EMI suppression,
and insulate or tape over all
shielding ends that terminate near
grease,
or sealed any
prevents splice and terminal shorts
s u r e
to the shielding. Minimize the
length of conductors which extend
g r e a s e d
beyond the shield. Failure to do this
reduces the effectiveness of the
shield.
assemblies that
g r eased or
XLPE insulation
w i r e s
protection must
open connectors.
sealed
for
o r
be
This