Wiring Diagram
CAUTION! IMPORTANT: Incorrect wiring connections can damage the unit. Follow the wiring instructions carefully,
or have the installation handled by an experienced technician.
Need Help?
For technical assistance, call the Jensen customer support line at 1-800-323-4815.
The VX4020 has a built-in SW
C Int
er
fac
e c
ompatible with most r
esistiv
e t
yp
e OE st
eering whe
el c
ontr
ols
. In most installations
, onl
y t
w
o of the thr
ee wir
es will b
e ne
ede
d t
o
int
er
fac
e the OE st
eering whe
el c
ontr
ols t
o the VX4020.
SW
C A - P
rima
ry SW
C W
ire
SW
C B - S
ec
onda
ry SW
C W
ire
SW
C Gr
ound - Chassis gr
ound
Initial wiring of the SW
C int
er
fac
e should include the SW
C A a
nd SW
C Gr
ound wir
e. I
f this c
ombination of wiring do
es not supp
or
t y
our v
ehicle func
tions
, then tr
y the SW
C B
and SW
C Gr
ound wir
e c
ombination. D
o not use onl
y SW
C A a
nd SW
C B
. The SW
C Gr
ound m
ust b
e c
onne
cte
d.
Some v
ehicles may not supp
or
t all SW
C func
tions
.
Professional Installation is r
ec
ommende
d.
2
Black/MICROPHONE
Black/
)
SPEAKER (-) SPEAKER (+)
GROUND BATTERY 12V (+)
ACC / IGNITION
BRAKE
REVERSE
POWER ANT & AMP. CONT ILLUMINATIO
N
LEFT FRONT SPEAKER (-) LEFT FRONT SPEAKER (+)
RIGHT FRONT SPEAKER (-) RIGHT FRONT SPEAKER (+)
LEFT REAR SPEAKER (-) LEFT REAR SPEAKER (+) RIGHT REAR SPEAKER (-) RIGH
T
REAR SPEAKER (+)
BLAC
K
YELLO
W
RE
D
PINK
GREEN/WHITE
BLU
E
GRAY/BLAC
K
GRAY
GREEN/BLACK GREEN PURPLE/BLAC
K
ORANGE
PURPLE
KEY
A
KEY
B
WHITE/PURPL
E
WHITE/BROWN
KEY GN
D
BROWN/BLACK
WHITE/BLACK WHITE
SWC (BLACK
)
128-9283 VX4020 Installation Guide 02-21-14.indd 4
3/17/2014 12:44:05 PM
