Four winns 278 VISTA Owner's Manual page 238

BLOWER
10A
BLOWER
027-2904
HARNESS ASSY, FIREBOY INTERCONNECT, DIESEL
FIREBOY
Electrical Schematics
BLOWER SWITCH
7 8
2
3
1
2
3
4
BLK/YEL
5
YEL/BLK
BLK/YEL
6
7
8
9
VOLVO D4/D6 SINGLE
FIREBOY INDICATOR UNIT
BRN NO
FIREBOY AUTOMATIC
ENGINE SHUTDOWN
WHT NC
SYSTEM ES-3000-01
065-1603
BLK C
SHUTDOWN, VP SINGLE DSL ENG
PRESSURE
NO
SWITCH
PRESSURE
NC
SW. GROUND
C
PORT IGN.
NO
+12V. DC
STRBD. IGN.
NC
+12V. DC
GEN. IGN.
C
+12V. DC
87
87a
86
85
30
10
11
027-2906
12
HARNESS ASSY, STBD
DIESEL ENGINE STOP
13
14
15
16
17
18
258/278 VISTA - DIESEL (SINGLE D4/D6)
FIREBOY CONNECTIONS
Owner's Manual Page 234
RED IGNITION - VOLVO HARNESS
BLK - VOLVO HARNESS
ACCESSORY
BLU 10A
RED 1
YEL 2