MP85.284C
30APR02
ELECTRICAL CONNECTION DIAGRAM
LED - FUSE LOCATION AND DESCRIPTION
FRONT AIR MODULE (TOP RING)
PAGE 1 OF 2
F5
F4
F3
F2
F6
F10
LED
FUSE
4
3
6
5
7
8
10
9
11
12
20
19
TOP RING BROWN
RELAY DESCRIPTION
LED
FUSE
BROWN
3-RED
4-YELLOW
5-YELLOW
6-RED
7-RED
8-YELLOW
9-YELLOW
10-RED
12-YELLOW
19-YELLOW
LEFT FRONT RAISE
LEFT FRONT LOWER
RIGHT FRONT RAISE
RIGHT FRONT LOWER
COMPRESSOR
LEFT FRONT RAISE
LEFT FRONT LOWER
RIGHT FRONT RAISE
RIGHT FRONT LOWER
11-RED
20-RED
COMPRESSOR
TRAVEL
TRAVEL
F2-5 AMP
F3-5 AMP
F4-5 AMP
F5-5 AMP
F6-5 AMP
F10-7.5 AMP
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 8
NOTE: FOR DETAILED INPUT / OUTPUT
INFORMATION ABOUT PIN CONNECTIONS
SEE ELECTRICAL CONNECTION DIAGRAM -
INFORMATION - PAGE 1 OF 2.
FRONT AIR MODULE CONNECTION
IF A YELLOW LED IS LIT AND THE
INDICATES A PROBLEM WITH A MODULE.
IF A YELLOW LED IS NOT LIT, THIS
4-PIN CONNECTOR ON THE TOP RING.
PROBLEM WITH INPUT VOLTAGE IN THE
NO RED LED IS COMING ON THERE IS A
IF THE YELLOW LEDS ARE WORKING BUT
IT’S FUSE IS BLOWN OR THE RELAY IS BAD.
CORRESPONDING RED LED IS OFF, EITHER
VOLTAGE ON IT’S CORRESPONDING CN1 PIN.
A LIT RED LED INDICATES THERE IS
CORRESPONDING RELAY ON.
IS A GROUND SIGNAL TO TURN THE
NOTE: A LIT YELLOW LED INDICATES THERE
LEFT
FRONT
RAISE
TRAVEL
LOWER
LEFT
FRONT
RAISE
RIGHT
FRONT
LOWER
FRONT
RIGHT
RESSOR
COMP
NOTE: THE TRAVEL RELAY IS WIRED AS A
NORMALLY CLOSED RELAY. WHEN THE YELLOW
LED (19) IS ON THE RELAY CONTACTS WILL OPEN.
THE RED LED (20) WILL NOT BE ON. THE RED LED
WILL BE ON IF THE LEVELING SYSTEM IS IN THE
TRAVEL MODE AND THE IGNITION IS ON.
AIR LEVEL OUTPUT BOARD