curt 55513 Installation Instructions Download Page 2

A

B

C

D

E

Step 1 

Locate vehicle battery on the driver side under the 
hood and disconnect the negative battery terminal.

Step 2 - Toyota Tacoma 

Open the vehicle tailgate. Remove the 10mm screws holding 
the vehicle taillights in place and remove the taillights (A).

Step 2 - Toyota T-100 

The wiring harness will have connection points 
on the driver and passenger side of the frame.

Step 3 

The connectors will be similar to those on the T-connector 
harness. Separate the connectors from the taillight housing 
taking care not to damage the locking tabs (B).

Step 4 

Insert the custom wiring harness end with yellow wire between 
the separated connectors. Make sure the connectors are fully 
inserted with locking tabs in place (C). 

Step 5 - Toyota Tacoma 

Route the custom wiring harness end with the green wire to 
the passenger side out through the hole between the vehicle 
bumper and body (D). Repeat step 4 on the passenger side 
using the harness end with the green wire.

Step 5 - Toyota T-100 

Route the custom wiring harness end with the green wire to the 
passenger side. Repeat step 4 on the passenger side using the 
harness end with the green wire.

 

WARNING:

 Check for miscellaneous items that may 

be hidden behind or under any surface before drilling to avoid 
damage and / or personal injury.

Step 6 

Locate a suitable grounding point near the connector such as 
an existing screw with nut in the vehicle frame or drill a 3/32" 
pilot hole for the provided screw. The area should be free of 
rust, dirt and paint. Secure the white ground wire using the 
ring terminal and provided screw.

Step 7 

Locate a flat spot inside the vehicle, near the taillight. Adhere 
the black converter box using the provided double-sided tape (E). 

Step 8 

Reinstall all items removed during install and reconnect 
negative battery terminal. Install the provided 4-flat dust cover 
to help prevent corrosion.

INSTALLATION / SAFETY INSTRUCTIONS

55513-INS-RB  •  PAGE 2

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