buell s1 lightning '97 Manual

See 

 The side stand switch is a simple spring

loaded plunger. The switch completes a path to ground for the
ignition relay when the side stand is in the retracted position.
Test the switch as follows.

1.

Unplug the 2-place side stand switch connector [P14].

2.

Test the switch using an ohmmeter.

a.  When the switch is open (side stand down), the

switch should show 

∞

 ohms (infinite ohms).

b. 

When the switch is closed (side stand up), the switch
should show 0 ohms or little resistance.

3.

Replace the assembly with a new switch if necessary.
Remove side stand switch from frame by turning counter-
clockwise.

 The clutch switch attaches to the clutch con-

trol lever bracket. The switch completes a path to ground for
the ignition relay and the starter relay when the clutch is dis-
engaged. Test the switch as follows.

1.

Unplug the 2-place clutch switch connector [P5].

2.

Test the switch using an ohm meter.

a.  When the switch is open (clutch engaged), the

switch should show 

∞

 ohms (infinite ohms).

b.  When the switch is closed (clutch disengaged), the

switch should show 0 ohms or little resistance.

3.

Replace the assembly with a new switch if necessary.

a. 

Remove small Phillips screw.

b. 

Depress clutch lever and hold.

c.  Detach switch by depressing switch trigger button

and pulling switch towards the end of the handlebar.

d. Install 

new switch.

The main wiring harness contains two diodes along the left
side frame tube. The harness sheath has a white mark show-
ing the location of the diodes. A diode acts as a one way
switch which permits current flow in one direction, but not in
the other. Test the diodes as follows.

1.

Disconnect the following connectors:

a. 

Instruments and indicator lamps [P3].

b. 

Clutch switch [P5].

c. 

Ignition relay [P12].

2.

Test for continuity in both directions between wire 1 (TN/
GN) on [P5] and wire 8 (TN) on [P3]. Ohmmeter should
show continuity in one direction, but not the other.
Replace the diode with a new diode if necessary.

3.

Attach connectors separated in Step 1.

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