TEST EQUIPMENT
IMPORTANT: The following equipment
is
avail-
able
from various manufacturers to support igni-
tion and
electrical system troubleshooting.
Spark Testers
Various models available:
• Stevens Number S21, S13C, or S48
• Merc-O-Tronic Number 55-4S or 55-6S
Peak-readi
ng
Voltmeters
Used to measure power pack output to ignition
coils. Various models available:
• Merc-O-Tronic Number
781
• Stevens Number CO-77
• Electro-Specialties Number
PRV-1
Ohmmeter
IGNITION
TEST EQUIPMENT
Used for various resistance measurements and
must
be
capable of reading low and high ranges.
Various
models available:
• Merc-O-Tronic Number 700 VOA
• Stevens Number
AT-101
IMPORTANT: Component temperature can
affect resistance
values at a rate of 10 ohms per
1°
F.
All resistance values listed
in
this manual are
correct at 70°F
(21
°
C).
Ignition Module Load Adapter
Simulates ignition coil resistance for power pack
output tests.
Model available:
• Stevens Number PL-88,
PIN
507983
117
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