Installation manual

www.webasto.us 29 Webasto Product N.A., Inc.
Thermo 90 S / Thermo 90 ST Circuit Diagrams
Figure 32: Thermo 90 S with On/Off switch - connection diagram (Includes optional blower interface harness)
X1
X8
X11
X10
X12
X15
X3
X4/X5/X6/X7
1 2
1 2
1
2
A
B
C
EB2 B3
M1
M2
B1
1
3
5
7
9
11
3
4
1
2
1
2
1
2
1
2
X2
0 0
1 1
Yellow
Brown
Brown
Brown
Brown
Black
Blue
Black
Blue
White/Blue
Violet/Blue
Gray
Orange
Orange
Green
Blue
Brown
VioletViolet
Violet
Gray
Gray
Green
Green
Red
Yellow
E
M1
MM
M2
B3
B1
B2
Y1
A1
F3
F2
F1
Red
White
Red
Red
Red
1
2
X10
Yellow/Red
A
B
CDE F
B D C
S1
DS
K1
86
85
87
30
Brown
Brown
Brown
RedRed Red
BT
F5
Black
White
Red
A
E F G H J
Brown
Gray
Red/Black
Black
Black
WhiteWhite
Violet
White
White
Violet
Brown
Black Green
Red
Red
Red
Red
Brown
Brown Brown
White
White
Brown
87a
1
5
2
4
3
A B C
X15
X12
X16
B4
Green Green
White
White
Black
Violet
Black
Black
Optional Blower Interface Harness P/N 905613B
Black
Green
White
1 2 5 6 8 10
11
A2
X8
4 3
7
9 12
1
21
2
122224 1
11
12
X2 X4 X1 X5 X6 X7 X3
X11
12
12V +
GND