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2-10
62--611XX--20 (03/04)
This control relay board allows a better maintenance using pin connections ( TP01 to TP
17 ).
With a multimeter, an output voltage can be measured, pin by pin, to check relays power
supply.
Figure 2-6 Control relay board view
FUSE IDENTIFICATION
Rep.
Item
Amps
F1 Main fuse
60 A
F2 RCR fuse
5 A
F3 Run Relay fuse
15 A
F4
Heater relay fuse
10 A
F5
Speed relay fuse
5 A
F6 Unloader fuse
3 A
F7
Defrost damper relay fuse
7.5 A
F8
Electric fan motor fuse
7.5 A
F9
Electric fan motor fuse
7.5 A
F10 Electric fan motor fuse
5 A
F11 Fuel pump fuse
3 A
RELAY IDENTIFICATION
Rep.
Item
SSR
Starter solenoid relay
CAR
Capacitor alternator relay
CR1,2,3
Cool relay (1st , 2nd , 3rd compartment)
EHR1,2,3
Electrical heat relay
(1st , 2nd , 3rd compartment)
FLR
Flashing relay
UFR
Unloader front relay
FHR
Fuel heater relay (option)
SR
Speed relay
HGR1,2,3
Hot gas relay
(1st , 2nd , 3rd compartment)
DER
Diesel electric relay
RR1,2,3
Run relay (1st , 2nd , 3rd compartment)
GPR
Glow plug relay
RCR
Run control relay
MHR
Main heat relay
RBPR
Regulation by--pass relay