Peterbilt Medium Duty Trucks Operator's Manual after 1-07

Electrical System
Slow Battery Charging
NOTE: Follow the instructions that come with your
battery charger.
• It is not necessary to remove the battery from the compartment.
WARNING! Charger cables must be connected
positive to positive (+ to +) and negative to negative
(– to –). If connected improperly, batteries
could explode causing serious personal injury.
Bulb Replacement
Tail Lights
Preventive Maintenance
To replace the tail lamps, remove lens. The bulbs are all of
the bayonet type.
1. To remove the bulbs, turn bayonet counter clockwise and
pull out.
2. To install, fit the bulb in the socket, push in and turn bayonet
clockwise.
• Always make sure the battery charger is OFF before
connecting or disconnecting the cable clamps. To
reduce the danger of explosions and resulting serious
personal injury, do not connect or disconnect
charger cables while the charger is operating.
1. Make sure the electrolyte level in each cell is between
the “MIN” and “MAX” marks. If the fluid level is below the
“MIN” mark, correct the condition.
2. Disconnect the battery cables.
3. Connect charger cables.
4. Start charging the battery at a rate not over 6 amperes.
Normally, a battery should be charged at no more than
10 percent of its rated capacity.
5. After charging, turn OFF charger and disconnect charger
cables.
Replacement Bulbs
DESCRIPTION
Headlights
Front turn signal
Marker
Stop/tail turn
Backup
Hood marker
Roof marker
Dome
Warning lamp module
PART NO.
9007BULB
3157K LL BULB
1895BULB
1157BULB
1156BULB
4157NAK LL BULB
194BULB
1141BULB
#37 or 73 (T1 3/4 wedge
base
– 190 – Y53-6008 Medium Duty (R10/06)