Arctic Cat Panther 1974 Manual page 103

r
"
\lVIRING CIRCUIT TESTING
Fig.IV-32
otvnmeter
@
@
adjust oft
5. At this point, the light switch is to be checked
for voltage if a lighting problem still exists
(see Check Light Switch for Voltage, page
IV-19).
Check Light Switch for Voltage
Equipment Necessary: Electro-Specialties
Voltmeter Model No. MS-10 and Quik Jack
1. Connect the main wiring harness connector to
the engine connector plug.
2. Raise the rear of the snowmobile off the shop
floor, using a Quik Jack. Make sure the track
is free to rotate.
3. Start the engine and allow it to idle.
4. Move light switch to OFF position.
5. Connect one lead of the voltmeter to
G ROUND on the circuit board and the other
lead to the horizontally-oriented terminal
holding a yellow wire, Fig. IV-33. Voltmeter
is to register 12-15 AC volts. DO NOT
REMOVE WIRES FROM SWITCH.
Fig.IV-33
\"'~'Ii
1
A.C - D C
'll)ttmet.r
Light
Switch
6. If voltmeter registers 12-15 AC volts, check
the two vertically-oriented terminals (see step
7)_ If voltmeter does not register 12-15 AC
volts, there is a problem in the yellow wire
running from the ignition switch L terminal
to the horizontally-oriented light switch
terminal.
7. Connect one lead of the voltmeter to
G R
0
U N D on the circu it board and the other
lead to a vertically -oriented light switch
terminal, Fig. IV-34. Move light switch to ON
position. Voltmeter is to register 14-15 AC
volts. DO NOT REMOVE WIRES FROM
SWITCH.
Fig.IV-34
"""' 1 /"' 1 1
'\ ' 5
JO
J5
1
1
, /
o "
AC - D.C
vottmeter
Light
Switch
8. If the voltmeter registers 12-15 AC volts, the
light switch is acceptable and indicates a
problem in the brake switch, dimmer switch
or related wires (see Check Brake Switch and
Dimmer Switch, page IV-20). If the voltmeter
does not register 12-15 AC volts, the light
switch is defective and is to be replaced. To
positively verify a defective switch, check it
with an ohmmeter (see Check Light Switch
Resistance, page IV-19).
Check Light Switch Resistance
Equipment Necessary: Electro-Specialties
Ohmmeter Model No. PC-2
1. Shut the engine off.
2. Remove the wires from the light switch
terminals.
3. Move the light switch to the OFF position.
IV-19