MULTIQUIP DCA Series - Page 63

GENERATOR SERVICE AND TROUBLESHOOTING MANUAL — REV. #0 (08/29/23) — PAGE 63
FUEL PUMP RELAY
Figure 69. Fuel Pump Relay Pin Call-Outs
1
COIL
5
3
2
6
4
NC
NO
NC
NO
CONTACTS
(PINS)
7
8
SUPRESSION
DIODE
PIN NO.
1 AND 5
MEASUREMENT
CLOSED CONTACTS
CONTINUITY
YES
3 AND 5 OPEN CONTACTS
NO
2 AND 6 CLOSED CONTACTS
YES
4 AND 6 OPEN CONTACTS
NO
8 AND 7
160 OHMS (12V)
60 OHMS (24V)
N/A
PIN NO.
3 AND 6
MEASUREMENT
CLOSED CONTACTS
CONTINUITY
YES
3 AND 5
OPEN CONTACTS
NO
1
APPLY +12 VDC
N/A
2
APPLY GND
N/A
BEEP! BEEP! BEEP!
(CONTINUITY)
1
COIL
5
3
2
6
4
NC
NO
NC
NO
CONTACTS
(PINS)
7
8
12V BATTERY
OR
24 BATTERY
MULTIMETER
ANODECATHODE
FUEL PUMP RELAY
BOTTOM VIEW
PIN
NUMBERS
FUEL PUMP
RELAY
DCA150 ~DCA600
6
COIL
3
5
NC
NO
2
1
FUEL PUMP
RELAY ENERGIZED
DCA150 ~DCA600
6
COIL
3
5
NC
NO
2
1
FUEL PUMP RELAY
ENERGIZED
DCA6 ~DCA125
FUEL PUMP RELAY
DE-ENERGIZED
DCA6 ~DCA125
FUEL PUMP
RELAY DE-ENERGIZED
DCA150 ~DCA600
TURN SELECTION
DIAL TO POSITION
12V BATTERY
FUEL PUMP RELAY DE-ENERGIZED
DCA6 ~ DCA125
12
34
56
87
A
B
3 AND 6 CLOSED CONTACTS
YES
3 AND 5 OPEN CONTACTS
NO
1 AND 2
160 OHMS (12V)
N/A
FUEL PUMP RELAY DE-ENERGIZED
DCA150 ~ DCA600
FUEL PUMP RELAY ENERGIZED
DCA6 ~ DCA125
1 AND 5
CLOSED CONTACTS
YES
3 AND 5
OPEN CONTACTS
NO
2 AND 6
CLOSED CONTACTS
YES
4 AND 6
OPEN CONTACTS
NO
8
APPLY +12 VDC
APPLY +24 VDC
N/A
7
APPLY GND
N/A
FUEL PUMP RELAY ENERGIZED
DCA150 ~ DCA600
RANGE
MIN MAX
MULTIMETER
Auto0 600
OFF
Hz
C
A
mA
uA
F
V
Hz
V
mV
Hz %REL
HOLD/LIGHT
10 A MAX
mAµA
COM
SELECT SOUND ICON