Subaru Coupes/Sedans/Wagons 1985-1996 Repair Guide

Alternator Precautions

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  1. Pay particular attention to the polarity connections of the battery when connecting the battery cables. Make sure that you connect the correct cable to the corresponding terminal.
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  3. If a jumper battery is used to start the vehicle, refer to the correct method of jump starting in General Information & Maintenance .
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  5. When testing or adjusting the alternator, install a condenser between the alternator output terminal and the ground. This is to prevent the diode from becoming damaged by a spark which occurs due to testing equipment with a defective connection.
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  7. Do not operate the alternator with the output terminals disconnected. The diode would be damaged by the high voltage generated.
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  9. When recharging the battery by a quick charge or any other charging apparatus, disconnect the alternator output terminal before hooking up the charging leads.
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  11. When installing a battery, always connect the positive terminal first.
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  13. Never disconnect the battery while the engine is running.
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  15. Never electric weld around the car without disconnecting the alternator.
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  17. Never apply any voltage in excess of the battery voltage during testing.
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  19. Never jump a battery for starting purposes with more than the battery voltage.
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