Electrical System Preventive Maintenance
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PB1318 3/01 Model 330
Replacement Bulbs
Electrical and Alternator Precautions
Take the following precautions to avoid burning out
alternator diodes:
• Do not start the engine with alternator disconnected
(connections removed) from the circuit.
• Before welding, disconnect all electronic connections to
the vehicle batteries.
• Remove battery power cable and insulate it from the
vehicle. See “Welding” on page 218
for more informa-
tion.
• Do not run the engine with the batteries disconnected.
• Do not disconnect the battery cables or alternator con-
nection cables with the engine running.
• Never turn the ignition switch to the IGN & START posi-
tion with the engine running.
• When charging the battery (installed in the vehicle) dis-
connect the battery cables.
• Do not reverse the cables of the alternator, starter motor,
or battery.
• Do not polarize the alternator. The alternator should not
be polarized like a generator. To ensure correct polarity,
use a test lamp or a voltmeter.
DESCRIPTION PART NO.
Headlights 9004LLBULB
Front turn signal 1156BULB
Marker 1895BULB
Stop/tail turn 1157BULB
Backup 1156BULB
Roof marker 194BULB
Dome 1141BULB
Warning lamp module
#37 or 73 (T1 3/4 wedge
base
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