Webasto HL 90 - Page 23

HL 90 7 Circuit Diagrams and Examples for Electrical Installation
705
Connection Control Unit / Fuse Holder / Switch
1 Control unit
2 Fuse holder
3 to battery (+)
4 Ground (–)
6 Switch
17 Remove two inhibit pins
7 Operating indicator light (heating and ventilation)
Fig. 704 Example for Electrical Installation "Operation with Switch and Ventilation"
XA
4=br
6
3
4
1
2
1
2
3
4
5
6
7
17
4
6
4
X7
1
A
B
C
30 (+)
S1-1 = S1-7
S1-4
S1-3
S1-6
S1-3
S1-41
S1-4=6
S1-6=3
F1=2
F2=1
XA
S1-2
XA2
S1
H2
7
2 3
S1
XA1
S1-3=1
F
F
F
30
1
2
3
4
14878A