WIRING DIAGRAM
Make sure You have a good chassis ground. Good ground connection will
eliminate most electrical noise problems. A good chassis ground requires a
tight connection to the vehicle’s metal chassis. The area around the ground
connection should be clean, bare metal without rust, paint, plastic, dust, or dirt
for a good ground connection.
Black Ground
Connect to vehicle body/chassis. Make sure you have a good chassis ground.
This will eliminate most electrical noise form the motor and alternator. A good
chassis ground requires a tight connection to ground. The area should be free
from rust, paint or any form of dirt.
Yellow Memory Backup
Connect to electrical terminal always supplied with power regardless of ignition
switch position.
Orange Remote
Connect to Auto-antenna or power amp control wire/remote connection.
Maximum current 300mA 12VDC. (Low Current)
Parking wire connection
Speaker Wiring Notes:
Follow the above wiring diagram to install the head unit with new or existing
speakers.
1. This unit is designed for use with four (4) speakers with impedance between
4 Ohms to 8 Ohms.
2. An Impedance load of less than 4 Ohms could damage the unit.
3. Never bridge or combine the speaker wire outputs. When not using four
speakers, use electrical tape to tape the ends of the unused speaker outputs to
prevent a short circuit.
4. Never ground the negative speaker terminals to chassis ground.
RCA Line out
(Left=White;Right=Red)
Parking wire(green)
Video output(yellow)
ISO Connector
Fuse 10A
Antenna Socket
Connector A
1. Rear right s)/Purple
2.
3. Front right s)/Grey
5. Front left s)/White
Rear right speaker(-)/Purple-Black
4. Front right speaker(-)/Grey-Black
6. Front left speaker(-)/White-Black
7. Rear left s)/Green
8. Rear left speaker(-)/Green-Black
Connector B
1. -
2. -
3. -
4. Battery 12V (+)/Yellow
5. Antenna power/Blue-white
6. -
7. ACC+/Red
8. Ground/Black
If parking cable is connected to hand brake switch, the video display of the mon-
itor will be controlled by driving status, system setup and input video sources.
When the car is moving ahead, if the video is played, the screen shows warning.
The warning screen will prevent the driver from watching images.
Parking brake
lead
Brake light
Car frame
Battery
Purple Wire
Summary of Contents for BV7254
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