TRUCK SERVICE MANUAL
To adjust headlight aim, turn adjusting screws as required to
position headlight beam pattern as shown under HEADLIGHT
AIMING. Adjustments can be made without removing
SEALED BEAM UNIT REPLACEMENT
Remove four (4) retaining screws (Figure 3) and
remove headlight bezel.
Fig. 3 Removing Headlight Bezel
Remove three (3) retaining screws and remove
sealed beam unit retaining ring (Figure 4).
Fig. 4 Removing Sealed Beam Unit Retaining Ring
Pull sealed beam unit from headlight assembly.
Disconnect three-way wiring connector from rear of
sealed beam unit (Figure 5) and remove sealed
Fig. 5 Removing Sealed Beam Unit
Connect three-way wiring connector to new sealed
Position sealed beam unit in mounting ring. Install
retaining ring and secure with screws.
Install headlight bezel and secure with screws.
DO NOT overtighten bezel retaining screws.
(stripping) of threads in hood (fender).
Check light operation.
HEADLIGHT ASSEMBLY REPLACEMENT
Remove four (4) retaining screws and remove
headlight bezel (Figure 3).
Disconnect headlight retaining spring from headlight
assembly (Figure 6).
Disengage headlight assembly from adjustment
screws. DO NOT turn adjustment screws.
CTS-2781S Page 4
PRINTED IN UNITED STATES OF AMERICA