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SUZUKI GSX 1300R Hayabusa: Assembly Guide
The LED tester is designed to test the various LED components of your Honda CB750. The purpose of testing them at this stage is to check that they are all
working now, rather than nding out that they don’t work when it is too late to replace them without dismantling your model.
Power socket (JP1)
This is the socket that the battery box will be connected
to. If the LED doesn’t light up when connected, then there
is an issue with either the battery box, the positions of the
batteries, the cable, or the connection.
Switch conrmation (LED)
When you check the rear brake pedal by plugging it in
and then pushing down on it to complete the circuit, the
LED mounted on the tester should light up. If the LED
doesn’t light up, then there is a problem with either a
cable or a connection.
Switch component socket (JP2)
This socket is used only for testing switch-activated
components, such as the rear brake pedal or the ignition
switch. This socket should not be used for LEDs.
2-pin socket (JP3)
The smallest of the LED connectors is the 2-pin socket,
JP3. This socket will accommodate the tail light and the
headlight connectors. If the LED of the tested part doesn’t
illuminate, the cable may be broken.
3-pin socket (JP4)
The 3-pin socket, JP4, is used for the rear indicators only.
This is the middle-sized socket. If the tested LED doesn’t
illuminate, then the cable may be broken.
4-pin socket (JP5)
The next socket on the LED tester is the 4-pin JP5. This
socket will take the connectors of the front indicators. If
any of the LEDs don’t light when tested, then the cable is
probably broken.
7-pin socket (JP6)
The largest of the sockets on the LED tester is the 4-pin
JP5. This socket will take the connector of the instrument
panel. If any of the LEDs don’t light when tested, then the
cable is probably broken.
The LED tester
There are three types of socket in four sizes. JP3, JP4,
JP5 and JP6 are LED sockets, in four dierent sizes; JP1 is
the socket for the battery box; and JP2 is the socket for
switches. Note that when you plug multiple connectors
into a socket, the voltage will be reduced, so when
testing the components, it’s best to test one at a time.
You will, however, always need to keep the battery box
plugged into the JP1 socket.
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