Linhai ARCHON 400 Service Manual page 204

CHAPTER 8 ELECTRICAL
6.Relay
Disconnect the starting circuit
cut-off relay coupler from the wire
harness.
Connect the pocket tester (Ωx1)
and battery (12V) to the starting
circuit cut-off relay coupler terminals.
Battery (+) lead→ terminal 
Battery (-) lead→ terminal 
Check the starting circuit cut-off
relay for continuity.
Test (+) lead →  terminal
Test (-) lead →  terminal
7.Wring connection
Check the connection of the entire
cooling system.
Refer to "CIRCUIT DIAGRAM"
IF THE HEAT ALARM UNIT WORKING
When the main switch is turned on, the temperature of the engine begins to go up. As it
comes to 88±3℃ the thermostat is connected and the fan starts to work, cooling the
coolant, if the thermostat or the fan, fails to work; the coolant temperature will keep rising.
The heat alarm unit operates the moment the temperature reaches 115±5℃and the signal
flashing. Stop the engine now to have the circuit fixed.
Procedure
Check:
1 .Fuse(Main, Fan)
2. Battery
3. Main switch
1. fuse
CHECKING SWITCHES
2. Battery
Check the battery condition.
Refer to "BATTERY INSPECTION"
BUCK 450 SERVICE MANUAL 20.0
UPPER CONNECTION
Correct
4. Thermo unit
5. Voltage
6. Wiring connection (entire cooling system)
NO CONTINUITY
Replace the fuse
INCORRECT
Clean battery terminals
Recharge or replace the battery
CHAPTER 8 ELECTRICAL PAGE 8- 20