TM 3-6665-329-13&P
Table 3.4. Lamp Resistance Checks
Measure Resistance
Switch
If reading is
Lamp
incorrect:
Should
Name
Settings
From
To
Read
1. Replace lamp
J4 Pin C
J4 Pin R
LAMP
ON (DOWN)
18 ohms
(ALARM
ACTUATE)
18 ohms
None
J4 Pin M
J4 Pin B
HORN
(remote
alarm
board
section)
3-42