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OMC
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(DVA)
Peak Reading Voltage and Resistance
Charts
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******* This information is supplied as a
service guide only and Outboardparts.com is not liable for any
misunderstandings, errors or omissions regarding this
information. The information has been obtained from actual Unit
analysis, parts manuals, and other sources. ********
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| NOTICE: The resistance readings given are for a
room temperature of 68 degrees Fahrenheit. Higher temperatures
will cause a slightly higher resistance reading. DVA readings
should always be taken with everything hooked
up. |
| The CDI peak reading voltage
adapter is specifically designed to work with FLUKE AUTO Digital
VOLTMETERS. This adapter will simplify the testing of electronic
Ignition systems, stators, and sensors. The peak voltage readings
will be approximately the same as any other peak voltage meter,
and the specifications in the test manuals can be followed
without any major problems. STEVENS INSTRUMENT accessories for
the CD-77 peak reading volt meter, SA5, SA6 (CDI#511-9756) and
PL88 (CDI#511-9775), along with the CDI 511-9770 piercing
probes are highly recommended for use with this adapter. |
| Instructions: Plug the adapter into the Fluke digital volt
meter with the rib (+) plug in the (v, Ohms, *) jack, and the
other plug in the (COM) jack. Set the switch on the Fluke meter
to the DC voltage setting and connect the probes to the test
points to be measured. This adapter will automatically
compensate for polarity and all readings will be peak
voltage. The Fluke meters are auto ranging and will read the
proper voltage level without changing ranges. See the attached
list of readings and instructions for testing most OMC and
Mercury Outboard Ignition systems. Other ignitions can be tested
if the manuals give peak voltage readings or is you test a known
good Ignition system. |
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| Notes: |
| 1. These timer bases are hard to
test. Please refer to the OMC Troubleshooting Section. |
| 2. Optical triggers cannot be tested
by an ohmmeter. |
| 3. The pack has a black sleeve on
the Trigger Harness. You may use either the black or gray sleeved
stators. |
| 4. If the pack has either a blue or
gray sleeve on the Trigger Harness, you must use the gray sleeved
Stator. |
| 5.These units require a minimum of 9
1/2 volts at cranking and a maximum of 16 volts at wide open
throttle. |
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| A. Most OMC ignitions charge coils
are tested from brown to brown/yellow or brown/white Wire on
Stator. See the detailed test specs for specific
information. |
| B. all voltage tests on the Ignition
to the coil should be done with the CDI 511-9775 load resistor to
ground. |
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