background image

TK 56239-11-IM (Rev. 0, 01/16) Copyright© 2016 Thermo King Corp. Minneapolis, MN, USA

60 Amp In-Line Fuse Assembly Kit

Installation Procedures

KIT 42-2499

Recommended Best Practices

The 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 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 in-line fuse to the unit’s power wire may need to be 
shortened to eliminate excess or coiled wire.

The in-line fuse should be positioned 

vertically

 to help promote water drainage. 

Fuses mounted 

horizontally

 must have the slit in the sleeving pointing downwards. 

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, soldered and covered with heat shrink tubing. 

The in-line fuse must be secured to the vehicle or alongside the positive battery cable with the supplied 
cable ties.

Use harness routing that provides adequate protection against possibility of short circuit.

All battery/electrical connections must be clean and tight.

KIT COMPONENTS

Item

P/N

Description

Qty.

1.

NSS

60 Amp In-Line Fuse Assembly

1

2.

413408

Butt Splice Connector

1

3.

418311

Ring Terminal, 3/8'' 6 AWG

1

4. 

419797

Ring Terminal, 5/16'' 6 AWG

1

5.

419580

Ring Terminal, 1/4'' 6 AWG

1

6.

552332

Cable Ties

2

7. 

NSS

Heat Shrink Tubing, 1-1/2'' long

2

8.

TK 56239

Installation Procedures

1

Reviews: