Nav TV DIFF CAM-Switcher Manual

BHM
11/17/16
NTV-DOC149
rB5
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
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3950 NW 120th Ave, Coral Springs, FL 33065 TEL [phone] FAX [phone]
www.nav-tv.com i[email protected]m
DIFF CAM-Switcher
NTV-KIT437
Overview
The NAV-TV DIFF-CAM Switcher is used to interrupt the factory differential rear-cam video
signals to input an aftermarket video source to the factory LCD screen. It’s activated via an
external toggle switch (not included).
Kit Contents
VSW Board
NTV-ASY187
VSW Power Harness
NTV-HAR066
DIFF CAM Board
NTV-ASY221
Main Harness
NTV-HAR243

BHM
11/17/16
NTV-DOC149
rB5
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
2 | P a g e
VSW Harness pin outs
PIN #
Description
Color
1
--
--
2
DIFF Video IN (-)
White/Purple
3
Video IN - (car side)
White/Orange
4
Video OUT - (screen side)
Orange
5
--
--
6
DIFF Video IN (+)
Purple
7
Video IN + (car side)
White/Blue
8
Video OUT + (screen side)
Blue
PIN #
Description
Color
1
Not Used
White/Blue
2
Video 1 Trigger
White/Red
6
Ground
Black
Label
Description
A
LED: When illuminated,
Video 1 is active
A & B
LEDs: When both
illuminated (NOT USED)
1
5
8
4
Normally connected pairs
(When no 12v is present on either
trigger)
Input
from car
Output to
screen
1
5
8
4
Input/Output Connector
Power/Trigger Connector
A
B

BHM
11/17/16
NTV-DOC149
rB5
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
3 | P a g e
Diff Cam R1 pin outs
1. Remove the radio from the dash, disconnect all factory harnesses and set aside.
2. Locate the main radio connector. Strip back any factory tape on the main radio harness
to easily access the wires.
3. In the main harness, locate the twisted Differential video wires. Cut this pair in half.
4. You now have a ‘car side’and a ‘radio side’ for factory DIFF video wires. Solder the
factory ‘car side’DIFF video wires to pins 3 & 7 on the VSW (black connector).
5. Solder the ‘radio side’factory DIFF video wires to pins 4 & 8 on the VSW (black
connector).
6. Connect the following wires from the DIFF CAM R1 harness:
a. Black: chassis ground
b. Yellow: 12v constant
c. Blue: Manual Activation of the DIFF board (tie to
the same wire that triggers video switching)
d. Red: Camera Power
e. RCA: Connect your aftermarket camera here.
7. Connect the following wires from the VSW’s white, 8-pin connector:
a. Black: chassis ground
b. White/Red: Connect this wire to 12v through a toggle
switch. This will toggle Video 1 output.
c. White/Blue: NOT USED
8. Connect the VSW to its connectors, and the DIFF CAM R1 to
its connector.
Pin
Description
Color
1
12v Out
Red
3
Ground
Black
6
Manual Activation
Blue
8
Constant
Yellow
9
RCA
[Shield]
10
RCA
[Signal]
12
DIFF Video (-)
White/Violet
13
DIFF Video (+)
Violet
General Installation (not vehicle specific)
1
7
8
14

BHM
11/17/16
NTV-DOC149
rB5
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
4 | P a g e
9. After connecting cameras/video sources, reconnect the factory radio and test for proper
operation.
Basic installation diagram (not vehicle specific)

BHM
11/17/16
NTV-DOC149
rB5
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
5 | P a g e
MY FORD TOUCH Installation Notes
Be certain that forced factory camera operates normally with the Blue wire (touch
temporarily to 12v +) from the F-CAM kit before beginning this process.
Refer to the diagram on page 6 and make connections.
12v (+) to your toggle CAN NOT be powered from the provided Red ACC OUT wire from
the DIFF CAM Board. You must use a vehicle
ACC (+) source.
DIFF video wires to be cut in half on the
NAV-TV Plug & Play harness are White &
Gray/Black if TS-CN harness or Blue and
Blue if CWB harness. Make the cut on the
monitor side of the harness. You will need
to remove the cover with the lock attached
–it slides straight off once releasing clips.
Follow the chart below to connect the Video output wires from the DIFF Board R1:
Upon completion, the user will be able to flip a single toggle switch and the factory
display will switch from factory image to the attached front camera image.
PIN #
Description
Color
Connects to
3
Video IN –(Car Side)
White/Orange
PIN 4 (Car Side)
4
Video OUT (Screen Side)
Orange
PIN 4 (Screen Side)
7
Video IN + (Car Side)
White/Blue
PIN 5 (Car Side)
8
Video OUT + (Screen Side)
Blue
PIN 5 (Screen Side)
TS-CN Harness
CWB Harness
NOTE: TS-CN
harness does not
have PIN
numbers labeled.
You will have to
count and
reference picture
here.
4
5
4
5

BHM
11/17/16
NTV-DOC149
rB5
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
6 | P a g e
FORD Install Diagram (requires F-CAM kit)