TM 5-3805-255-14
0016
Table 3. Electrical System Instruments Troubleshooting Procedures for the H100C Loader.
016
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check for low battery voltage.
Charge or replace batteries
1. Lights Dim.
(WP 0045). If problem still exists, go
to step 2.
2. Check ground connection.
Clean and tighten connections or
replace wiring (WP 0020). If problem
still exists, go to step 3.
3. Check for loose, dirty, or defective
Clean and tighten connections, or
connections.
replace wiring (WP 0020). If problem
still exists, notify Sustainment
Maintenance.
1. Check for loose, dirty, or defective
Clean and tighten connections, or
2. Electrical Gauge Not
connection at gauge (WP 0043).
replace wiring (WP 0020). If problem
Operating.
still exists, notify Sustainment Mainte-
nance.
2. Check for defective sending unit
Replace sending unit (WP 0044). If
problem still exists, notify Sustainment
Maintenance.
3. Check for defective gauge.
Replace gauge. If problem still exists,
notify Sustainment Maintenance.
1. Check for dead battery.
Charge or replace batteries
3. Ignition On (No Gauges
(WP 0045). If problem still exists, go
or Lights Working).
to step 2.
2. Check for loose, dirty, or defective
Clean and tighten connections and
connection from battery to ignition
replace wiring (WP 0020). If problem
switch.
still exists, notify Sustainment Mainte-
nance.
1. Check for defective light switch.
Replace switch. If problem still exists,
4. All Electrical Gauges
go to step 2.
Working (No Lights).
2. Check for defective bulb.
Replace bulb. If problem still exists,
notify Sustainment Maintenance.