TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 2. Electrical System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
18. One or More Blower Motor 10. Check power to blower motor.
1. If battery voltage is present, replace
(a) Connect wiring harness to blower
blower motor (WP 0198 00).
Speeds Are Inoperative -
switch (WP 0198 00).
2. If battery voltage is not present, go to
Continued.
(b) Connect wiring harness to AC/
Test 11.
heater switch.
(c) Disconnect wiring harness from
blower motor (WP 0198 00).
(d) Battery disconnect and engine
start switches remain in ON
position (TM 5-3805-291-10).
(e) Place AC/heater switch in AC ON
position (TM 5-3805-291-10).
(f) Place blower switch in HIGH
SPEED position (TM 5-3805-291-
10).
(g) Measure voltage between blower
motor wiring harness, pin 1, wire
A515 (BR), and ground.
11. Check ground to blower motor.
1. If continuity is present, there is an open
(a) Wiring harness remains
circuit between blower switch and
disconnected from blower motor
blower motor. Replace wiring harness
(WP 0198 00).
in question (WP 0195 00 thru WP 0201
(b) Battery disconnect switch remains
00).
in ON position (TM 5-3805-291- 2. There is an open circuit in blower
10).
motor ground circuit. Replace wiring
(c) Check continuity between blower
harness in question (WP 0195 00 thru
motor wiring harness, pin 2, wire
WP 0201 00).
200 (BK), and ground.
0008 00-57
