Cab Flasher Head light and Dome Light Circuit. (Cont)

9-2350-238-20-2

(3)

Cab signal flasher headlight does not operate when flasher

indicator

lamp

and MASTER and FLASHER SIGNAL switches are ON.

Step 1.

Remove lamp (1) from cab signal flasher headlight (2), refer to page 2-279.

Connect multimeter to contacts of lamp. If multimeter indicates about 1

ohm, go to step 2. If multimeter indicates infinity, replace lamp, refer to

Make

sure

MASTER

switch

OFF

before

repairing

electrical

com-

ponents. Failure to observe this warning could result in injury to

personnel.

Disconnect lead 325A (1) from cab signal flasher headlight (2). Place red

Step 2.

probe in lead 325A. Ground black probe. Set MASTER switch ON. Set

FLASHER SIGNAL switch ON. If multimeter indicates about 24 volts,

replace cab signal flasher headlight, refer to page 2-279. If multimeter in-

dicates no voltage, repair lead 325A between cab signal flasher headlight

and flasher assembly, refer to page 2-66. Set

MASTER

switch

OFF.

Set

FLASHER SIGNAL switch OFF. Connect lead.