English 
voltage gauge hook up
Hook up the vehicle voltage gauge in parallel with the consumer [12 V or 24 V] . It is the voltage of the battery . When connecting, do not connect firmly . Try the direction of the voltmeter number with the connecting wire. Just go up and fix it . If not , turn the two wire ends upside down .
The connection to the cigarette lighter is not very accurate . It is recommended to install a power diode on the positive pole of the battery and then connect the voltmeter in series , so as to avoid unnecessary voltage fluctuation and protect the meter .
Installation of motorcycle voltmeter : disassemble the motorcycle , remove the original carburetor and accessories , including removing the secondary air inlet , and weld the root of the secondary air inlet pipe at the cylinder head . The secondary air inlet must be welded .
ECU harness has excuse marks, so it only needs to be connected. There were only two wires that took me a lot of trouble . One is the switch line and the other is the trigger line . After careful inspection, it was found that there was no switch line under the central seat of the Fuxi car . All the switch lines were in the front fish mouth , so the fish mouth was opened and connected to the front .
Connect the oil pipe : the oil supply system of the EFI truck is that the oil enters the high-pressure oil pump through the oil pipe , and the oil is supplied to the fuel injection nozzle after the oil pump is pressurized . The plunger pump can be installed externally . Therefore , there is no need for oil return pipeline . There is only one oil inlet, one oil outlet and one exhaust port . However , the exhaust port must be connected to the oil pipe to connect with the atmosphere to maintain the pressure balance of the oil tank .
Do not connect firmly before hooking up . Try the direction of the voltmeter number with the connecting wire . If it is right to go higher , it will be fixed . If the two wire ends are not reversed . Be careful to move quickly , or you will burn the voltage gauge .
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