Manual 2100-694B
Page
58 of 62
18. Leaving wiring harness unplugged, remove blower
assembly from unit.
19. Using a T-20 Torx driver, remove the blower control
module (see Figure 67).
NOTE:
There are nuts on the inside of the blower
housing that will need to be secured during
removal.
FIGURE 66
Testing Voltage on Blower Motor 6-Pin Plug
FIGURE 67
DEC Star Blower Control Module Bolt Removal
20. Remove the screws from the blower control module
assembly so back plate can be removed.
21. Unplug the motor from the module. Measure
resistance between all three phases of the motor
wiring harness plug and then all three phases and
the motor chassis (see Figure 68).
TABLE 23
DEC Star Terminal 10 Output
Blower %
Y1 VDC
VDC at Terminal
10 at Plug
0
0
0
10
1
1.4
20
2
2.8
30
3
4.2
40
4
5.6
50
5
7
60
6
8.4
70
7
9.8
80
8
11.2
90
9
12.6
100
10
14
Terminal #10
See Table 23
Speed Signal