TK 55676-19-IM-EN
51
Control Box and Main Harness Installation
Control Box Location
Choose a location inside the tractor’s sleeper for the control box. The box can be mounted horizontally or vertically.
Make sure the location chosen allows access for:
•
Installation of wiring
•
Servicing of interface board components
•
Operation of the reset switch.
N
No
otte
e:: D
DO
O N
NO
OT
T install the control box at this time. It will be installed AFTER all the TriPac electrical harnesses have been
connected.
D
DP
PF
F U
Un
niittss O
On
nlly
y
Install the Small Engine Control Module (SECM) and harnesses now. Refer to TK 55727-19-IM for details.
P
Po
ow
we
err IIn
nv
ve
errtte
err O
Op
pttiio
on
n O
On
nlly
y
Install the power inverter now. Refer to TK 55855-19-IM for details.
H
Ho
ou
urrm
me
ette
err O
Op
pttiio
on
n O
On
nlly
y
Install the hourmeters and harness now. Refer to TK 55701-19-MS for details
Main Harness Installation Procedures
IIm
mp
po
orrtta
an
ntt:: Before making any electrical connections, confirm the Heater and APU battery cables are not connected to
the battery.
N
No
otte
e:: Excessive harnesses lengths should be doubled up and secured with band wraps. DO NOT CUT THE WIRE
HARNESSES!
N
No
otte
e:: Exercise care when mating the connection. Always check the male pins for straightness before attempting to
mate connectors. If any resistance is felt when mating the connector, recheck the male pin alignment.
1. Position the control box inside the truck and remove the cover.
2. Route M
Ma
aiin
n E
Elle
eccttrriicca
all H
Ha
arrn
ne
essss from APU up into sleeper through 3” access hole in the floor and into the control
box.
3. Connect 2
20
0--p
piin
n connector to mating connector ((J
J1
14
4)) on interface board.
4. Connect 6
6--p
piin
n connector to mating connector ((J
J5
5)) on interface board.
5. Attach the separate C
CH
H--0
01
1 wire with the terminal ring onto interface board ground stud labeled CH ((J
J1
16
6)) and torque
to 18 lb-in (2 N•m).
IIm
mp
po
orrtta
an
ntt:: IMPORTANT: The CH-01 wire terminal ring must be positioned correctly onto the ground stud and tightened
properly or the unit will not operate.
6. Connect 1
10
0--p
piin
n connector to mating connector ((J
J6
6)) on interface board.
7. 4
4--p
piin
n connector ((7
7C
CL
L,, 7
7C
CL
LA
A,, C
CO
OIIL
LS
SE
EN
N,, C
CO
OIIL
LS
SE
EN
N--R
RT
TN
N)) will be attached to mating connector on A/C evaporator
harness that will be installed in a later step.
8. 2
2--p
piin
n connector ((S
SB
BY
Y,, 2
2A
A)) is for Standby Truck Integration Switch (OPTION).
9. Attach 2
2 wire with terminal ring onto interface board power stud ((J
J1
15
5 2
2)) and torque to 18 lb-in (2 N•m).
IIm
mp
po
orrtta
an
ntt:: The 2 wire terminal ring must be positioned correctly onto the power stud as shown on decal located on
control box cover.
