Chrysler RAM TRUCK 2500 1994 Service Manual page 431

8F - 2 AUDIO SYSTEMS
•
T E S T P R O C E D U R E S
AM/PM STEREO—CASSETTE TAPE
RADIO CONNECTORS
BLACK
LEGEND:
J L
GRAY
1 - AMP ON-OFF SIGNAL/ANT UP SIGNAL
2 - LEFT REAR SPEAKER FEED (+)
3 - RIGHT REAR SPEAKER FEED (+)
4 - LEFT FRONT SPEAKER FEED (+)
5 - RIGHT FRONT SPEAKER FEED (+)
6 - LEFT REAR SPEAKER RETURN (-)
7 - RIGHT REAR SPEAKER RETURN (-)
0 0 0 0 0 0 0
VIEW FROM
WIRE END
1 - RADIO MUTE
2 - LEFT FRONT SPEAKER RETURN (-)
3 - RIGHT FRONT SPEAKER RETURN (-)
4 - MARKER — (HEAD/PARK LAMPS)
5 - DIMMER — (PANEL, LAMPS, VARIABLE)
6 - ACCESSORY — (SWITCHED B+)
7 - BATTERY — (MEMORY)
TURN IGNITION KEY
TO ACCESSORY
POSITION
TUNE RADIO TO KNOWN
STRONG STATION & SET
VOLUME TO LISTENING LEVEL
NO YES
CHECK FUSE(S)
IGNITION
MEMORY
FEED
NOISE
STATIC
ONLY AM
INOPERATIVE?
RUN STATIC
NOISE CHECK
REPLACE
BLOWN
FUSES
FM
INOPERATIVE
AM-TAPE
OK
RUN ONLY AM
INOPERATIVE
ANTENNA
SYSTEM CHECK
TAPE ONLY
INOPERATIVE
AM-FM OK
1
EXCHANGE
RADIO
RUN TAPE
SYSTEM
CHECK
YES
(D
ONLY ONE
SPEAKER
ONE CHANNEL
(LEFT OR RIGHT)
(FRONT OR REAR)
CHECK FOR
SHORT
CIRCUIT IN
SPEAKERS IN
THE BAD
CHANNEL
NO
CHECK THAT
MOUNTING
AND TRIM
PANELS ARE
SECURED
EXCHANGE
RADIO
IF SPEAKER IS
DAMAGED,
REPLACE SPEAKER
948F-14