Service manual

CHARGING SYSTEM SERVICE MANUAL NUMBER 26
Page 4C-4 90-861329--1 MARCH 1999
Precautions
CAUTION
The following precautions MUST BE observed when working on the alternator system.
Failure to observe these precautions may result in serious damage to the alternator or
alternator system.
• DO NOT attempt to polarize the alternator.
• DO NOT short across or ground any of the terminals on the alternator, except as spe-
cifically instructed in the “Troubleshooting Tests.”
• NEVER disconnect the alternator output lead or battery cables when the alternator is
being driven by the engine.
• NEVER disconnect regulator lead from alternator regulator terminal when the alterna-
tor is being driven by the engine.
• ALWAYS remove negative (–) battery cable from battery before working on alternator
system.
• When installing battery, BE SURE to connect the positive (+) battery cable to the posi-
tive (+) battery terminal and the negative (–) (grounded) battery cable to negative (–)
battery terminal.
• If a charger or booster battery is to be used, BE SURE to connect it in parallel with exist-
ing battery (positive to positive; negative to negative).
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