Buell S1 Lightning 1996 Manual page 340

STARTING SYSTEM DIAGNOSIS
Solenoid Clicks.
Perform Voltage Drop Tests
Between Battery and
"Relay" Terminal on
Solenoid. Less Than 1 Volt?
YES
Perform Voltage Drop Backtrack to
2 2
Tests from Battery Pinpoint Poor
(Pos. +) to Starter Connections or
"Motor"Terminal. Relay Contact
Crank Engine. Is Problems Using
Voltage Greater than Voltage Drop
1 Volt?
NO
YES
2 2
Perform Voltage Perform Voltage
Drop Tests from Drop Test
Battery (Pos. +) Between Battery
to Starter Motor (Neg. -) and Starter
"M" (Battery) Studs or Bolts.
Terminal. Crank Is Voltage Greater
Engine. Is than 1 Volt?
Voltage Greater
than 1 Volt?
YES
NO
YES
Clean
Ground
Connections
Repair Repair or
Connection Replace
Between Solenoid
Battery and (Contacts).
Starter.
Relay terminal
Motor terminal
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— BATTERY TESTS —
VISUAL
Check Connections at Battery
and Starter Components.
INOPERATIVE
NO
1
Does Starter
Motor Turn if
Tests.
Jumped?
YES
Replace
Solenoid.
NO
Check for Battery Voltage
at Relay Terminal 86 From
Starter Button. Battery
Voltage Present?
YES
Check for
Ground at Relay
Terminal 85.
Ground Present?
YES
Substitute Inspect Starter
Good Relay
or Test Relay.
Correct Relay
Battery terminal
VOLTAGE
Nothing Clicks.
Relay
Clicks.
Test for Voltage at
Solenoid Terminal. Is
12V Present When
Starter Button is
Pressed?
NO
YES
Test for Voltage
to Relay. Is 12V
Present on
Relay Terminal
YES
NO
Test for Voltage
from Relay. Is 12V
Test Starter
Present on Relay
Motor for
Terminal 87 When
Opens,
Starter Button is
Shorts or
Pressed?
Grounds.
YES
Repair Open
on GN Wire
Between Relay
and Solenoid.
NO
Check for Battery Voltage from Starter
Button BK/R Wire. Battery Voltage
Present With Starter Button Pressed?
NO 5
YES
Repair Wiring
Interlock
From Starter
Circuit or
Button to Relay.
Ground.
Starter Button.
LOAD
Continued on
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NO
Repair Open on
R/BK Wire Feeding
Terminal 30 on
Starter Relay.
NO
Replace
Starter Relay.
NO
Check for Battery Voltage to
Starter Button W/BK Wire.
Battery Voltage Present?
NO
YES
Replace Repair Wiring to
Starter Button.
27