1995 JEEP YJ Service And Repair Manual

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JEEP YJ 1995 Service And Repair Manual RADIO
RADIO
When the ignition switch is in the ACCESSORY or
RUN position, it connects circuit A1 from fuse 6 in
the Power Distribution Center (PDC) to circuit A48.
Circuit A48 powers circuit F85 throu

RADIO
RADIO
When the ignition switch is in the ACCESSORY or
RUN position, it connects circuit A1 from fuse 6 in
the Power Distribution Center (PDC) to circuit A48.
Circuit A48 powers circuit F85 through fuse 13 in the
fuse block. Circuit F85 powers the radio.
Circuit Z1 provides ground for the radio. The an-
tenna connects to the rear of the radio.
RADIO MEMORY
Circuit M1 from fuse 16 in the Power Distribution
Center (PDC) supplies power for the radio memory.
Circuit A7 from fuse 3 in the PDC supplies voltage
to fuse 16. Circuits A7 and M1 are HOT at all times.
RADIO ILLUMINATION
Circuit E2 supplies battery voltage to the radio il-
lumination lamps when the headlamps or parking
lamps are on and the dimmer switch is in the Low or
On positions.
Circuit X5 supplies battery voltage for the radio
clock and station frequency display. Circuit X5 origi-
nates at the radio illumination relay and is fed by ei-
ther circuit F85 or circuit E2 depending on the
switch position inside the relay.
When the headlamps and parking lamps are off,
the radio illumination relay is in its normal At Rest
position. In the At Rest position, the relay connects
circuit F85 from fuse 13 in the fuse block to circuit
X5.
When the headlamps or parking lamps are on, cir-
cuit L90 from the headlamp switch supplies battery
voltage to the coil side of the radio illumination relay.
Circuit Z1 provides ground for the coil side of the re-
lay.
When voltage is present on circuit L90, the radio
illumination relay switches from its At Rest position
to connect circuit E2 to circuit X5.
HELPFUL INFORMATION
²Circuit A48 supplies voltage to fuse 13 in the fuse
block for circuit F85 when the ignition switch is in
the ACCESSORY or RUN positions. In these posi-
tions, the ignition switch connects circuit A1 from
fuse 6 in the PDC to circuit A48.²Circuit A3 from fuse 5 in the PDC supplies power
to the fuse block for fuse 9. Fuse 9 protects circuit
L7. When the headlamps or parking lamps are ON,
the headlamp switch connects circuit L7 to circuit
L90. When the adjustable dimmer switch is in the
LOW to ON positions, it internally connects circuit
L7 to circuit E2. Circuit E2 powers fuse 25 in the
fuse block. Circuit E2 continues through fuse 25.
POWER ANTENNA
The Power Antenna Relay supplies power to raise
and lower the antenna. Circuit F60 from fuse 7 in
the fuse block powers the relay. Circuit Z1 provides
ground for the relay.
When the radio is turned on, circuit X60 from the
radio energizes the relay to raise the antenna.
SPEAKERS
Circuit X53 feeds the left front speakers. Circuit
X55 is the return from the speakers to the radio.
Circuit X54 feeds the right front speakers. Circuit
X56 is the return from the speakers to the radio.
Circuit X51 feeds the left rear speaker. Circuit X57
is the return from the speaker to the radio.
Circuit X52 feeds the right rear speaker. Circuit
X58 is the return from the speaker to the radio.
DIAGRAM INDEX
Component Page
Fuse 3 (PDC).........................8W-47-2, 4
Fuse 5 (PDC).......................8W-47-2, 4, 5
Fuse 6 (PDC).........................8W-47-2, 4
Fuse 7 (PDC).........................8W-47-2, 4
Fuse 9 (Fuse Block)...................8W-47-2, 4, 5
Fuse 13 (Fuse Block)....................8W-47-2, 4
Fuse 16 (PDC)........................8W-47-2, 4
Fuse 25 (Fuse Block)....................8W-47-2, 4
Headlamp Switch.......................8W-47-2, 4
Ignition Switch..........................8W-47-2
LCD Relay...........................8W-47-3, 5
Power Antenna..........................8W-47-6
Power Antenna Relay......................8W-47-6
Radio...........................8W-47-2 thru 8
Speakers............................8W-47-7, 8
J8W-47 AUDIO SYSTEMÐXJ-RHD 8W - 47 - 1

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