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9
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Preparations Before the Test
Before connecting the tester, clean the battery posts with a wire brush and a
mixture of baking soda and water. When testing side-post batteries, install and
tighten lead terminal adapters.
IMPORTANT:
Do not test at steel bolts. Failure to install terminal adapters or
installing terminal adapters that are worn or dirty may result in inac-
curate test results. To avoid damage, never use a wrench to tighten the
adapters more than 1/4 turn.
If you are testing in the vehicle, make sure all accessory loads are off, the key is
not in the ignition, and the doors are closed.
Connecting the Tester
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Connect the red clamp to the positive (+) terminal and the black clamp to
the negative (–) terminal.
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For a proper connection, rock the clamps back and forth. The tester re
-
quires that both sides of each clamp be firmly connected before testing. A
poor connection will produce a CHECK CONNECTION or WIGGLE CLAMPS
message. If the message appears, clean the terminals and reconnect the
clamps.
•
The preferred test postion is at the battery terminals. If the battery is not
accessible, you may test at the jumper post; however, the available power
measurement may be lower than the actual value.
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Summary of Contents for MDX-617
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