DRAFT
TM 5-4210-249-13&P-2
0184
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT04736
Step 22.
Shut water pump engine off (WP 0021). Turn vehicle engine off (TM 9-2320-347-10).
Turn battery disconnect switch to OFF position (WP 0007). Open water tank heater
control box (WP 0301). Open rear compartment heater diagnostic module (WP 0470).
Check for continuity across white wire with black stripe from front water tank heater
relay terminal, to FRONT TANK HEATER LIGHT terminal.
If continuity is not present, replace rear compartment heater diagnostic
module power cord (WP 0361).
Step 23.
Check for continuity across blue wire from front water tank heater contactor terminal 2,
to FRONT TANK HEATER LIGHT terminal.
a.
If continuity is present, replace front tank heater light (WP 0470).
b.
If continuity is not present, replace rear compartment heater diagnostic
module power cord (WP 0361).
0184-10
