Chrysler RAM TRUCK 2500 1994 Service Manual page 430

AUDIO SYSTEMS
C O N T E N T S
page
SERVICE PROCEDURES 11 TEST PROCEDURES
GENERAL INFORMATION
For operation of the factory installed radios, refer
to the owner's manual supplied with the vehicle.
When installing or removing the ignition-off draw
(IOD) fuse, i t is important that the ignition switch be
in the OFF position.
Failure to place the ignition switch i n the OFF po­
sition can cause the radio display to become scram­
bled when the IOD fuse is removed. Replacing the
IOD fuse will correct the scrambled display.