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68
TK 56430-18-IP-EN
Unit Main Power Connections to 12 Vdc Positive Battery Connection
The unit’s main power ((2
2)) wire and the ((B
BA
AT
T)) wire (with mini-fuse*) must both be connected to the vehicle’s positive
battery connection with the supplied large sealed in-line fuse kit. The kit contains a large in-line fuse assembly, parallel
crimp connector, heat shrink tubing, and three terminal lugs. The correct size terminal lug with heat shrink tubing must
also be installed.
IIm
mp
po
orrtta
an
ntt:: The large in-line fuse is a non-serviceable assembly.
* An in-line mini fuse assembly with a sealed splice connector must be first attached to the BAT wire. Then the BAT
wire along with the 2 wire can be connected to the sealed in-line fuse.
Always follow the best practices below when connecting the unit’s in-line fuse to the vehicle’s positive (+) battery
connection.
IIm
mp
po
orrtta
an
ntt:: No other means of positive (+) battery connection is allowed.
L
La
arrg
ge
e IIn
n--L
Liin
ne
e F
Fu
usse
e B
Be
esstt P
Prra
accttiicce
ess
•
The large in-line fuse must be located in an accessible location as close to the battery as possible while keeping it
from directly touching or laying on the battery.
•
The distance from the battery positive (+) terminal to the large in-line fuse should be kept to a minimum and not
exceed 12.00 in. (305 mm).
•
Depending on the application, the wire from the large in-line fuse to the unit’s power wire may need to be shortened
to eliminate excess or coiled wire.
•
Large In-line fuse should be positioned v
ve
errttiicca
alllly
y to help promote water drainage away from fuse.
•
Large fuse mounted h
ho
orriizzo
on
ntta
alllly
y must have the slit in the split loom sleeving pointing downwards to keep water
from migrating into the fuse.
•
Large in-line fuse must be secured to the vehicle or alongside the positive battery cable with the supplied cable ties.
B
Ba
atttte
erry
y C
Co
on
nn
ne
eccttiio
on
nss B
Be
esstt P
Prra
accttiicce
ess
•
If the vehicle is equipped with a battery disconnect switch, always connect the unit’s power wire after the switch.
This allows power to the unit to be turned off by the battery disconnect switch.
•
The ring terminals used must be sized to match the battery power stud or lug bolt. Oversized ring terminals can
contribute to high resistance resulting in the fuse overheating and failure. Various size terminal rings are provided in
the kit - choose the correct size for your specific battery requirement.
•
All hand crimped terminals must be securely crimped and covered with heat shrink tubing.
•
Use harness routing that provides adequate protection against possibility of short circuit.
•
All battery/electrical connections must be clean and tight.
Always follow this procedure when connecting the 2
2 and B
BA
AT
T wires together with the large in-line fuse and attaching
the vehicle’s battery: