113. Cab and Chassis Wiring Harness Repair
Inspect the wiring for oil-soaked,
cracked, or frayed insulation, for broken wires, and for
loose or corroded connections.
(1) Harness repair. Repair a broken wire by
cutting a length of wire and taping it along the
harness. Install two clips at either end and
remove the broken wire of the harness.
Secure the end of the new wire to the
(2) Cab wiring repair. Remove the broken wire
from the connection. Splice on the length of
wire needed for the repair, making sure the
splice is taped sufficiently to prevent any
short circuit in the wiring.
spliced section of wire and secure to the
114. Rear Service Turn Light and Blackout Taillight
a. Removal. Remove the service turn light and
Figure 58. Horn button assembly.
112. Horn Button Assembly
a. Removal. Remove the horn button assembly as
b. Cleaning and Inspection.
Figure 59. Rear service turn light and blackout
(1) Clean the horn button assembly with a
taillight, removal and installation
cloth dampened with an approved
cleaning solvent and dry thoroughly.
(2) Inspect the horn button assembly for
proper operation. Replace a defective
horn button assembly as necessary.
c. Installation. Install the horn button assembly as