IGNITION AND ELECTRICAL 3-39
PERFORMANCE TEST
PULL-IN/HOLD-IN TEST
Connect battery to magnetic switch as shown in figure.
• Check that plunger and pinion (over-running clutch) move out-
ward.
If plunger and pinion don’t move, replace magnetic switch.
NOTE:
Before testing, disconnect brush lead from terminal “M”.
• While connected as above with plunger out, disconnect nega-
tive lead from terminal “M”.
Check that plunger and pinion remain out.
If plunger and pinion return inward, replace magnetic switch.
PLUNGER AND PINION RETURN TEST
Disconnect negative lead from switch/motor body.
Check that plunger and pinion return inward.
If plunger and pinion don’t return inward, replace magnetic
switch.
Each test must be performed within 3 – 5 seconds to
avoid coil damage from overheating.
When performing the following test, be sure to con-
nect the battery and the starting motor with a lead wire
of the same size as original equipment used there.
1
2
1. Terminal “S”
2. Terminal “M”
3. Terminal “B”
4. Brush lead
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