TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 2. Electrical System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. Check AC compressor clutch ground
1. If battery voltage is present, go to Test
19. Air Conditioning
circuit.
9.
Compressor Does Not Run
(a) Jumper wire remains in place.
2. If battery voltage is not present, there
(Blower Operates
(b) Wiring harness remains
is an open circuit between thermostatic
Correctly) - Continued.
disconnected from thermostatic
switch and compressor. Replace wiring
switch.
harness in question (WP 0169 00 thru
(c) Battery disconnect switch and
WP 0175 00).
engine start switch remain in ON
position (TM 5-3805-290-10).
(d) AC/heater switch remains in AC
ON position.
(e) Measure voltage between
thermostatic switch wiring
harness circuit 522 (WH) and
ground.
9. Check thermostatic switch ground
1. If continuity is present, replace
circuit.
thermostatic switch (WP 0196 00).
(a) Jumper wire remains in place.
2. If continuity is not present, there is an
(b) Wiring harness remains
open thermostatic switch ground
disconnected from thermostatic
circuit. Replace wiring harness in
switch.
question (WP 0169 00 thru WP 0175
(c) Battery disconnect switch and
00).
engine start switch remain in ON
position (TM 5-3805-290-10).
(d) AC/heater switch remains in AC
ON position.
(e) Check continuity between
thermostatic switch wiring
harness, circuit 200 (BK), and
ground.
0008 00-49
