Installation Guide

51455-INS-RB
•
07/02/2020
•
ECN7189
•
PAGE 2
Step 1A - Tundra (BH4)
Locate the vehicle's battery in the engine
compartment on the driver side and disconnect
the negative battery terminal. Be sure to fasten
this wire down and away from the battery while
completing the installation process.
Step 2A - Tundra (BH4)
Using a panel trim removal tool, remove the
panel below the three-button panel. Start at the
top left corner near the steering wheel pulling
outward, releasing the tabs that are securing
the panel in place one at a time.
Step 3A - Tundra (BH4)
Repeat step two for the three-button panel.
Step 4A - Tundra (BH4)
Locate the white connector behind the
three-button panel. The connector will be
similar to that on the custom brake control
harness. Insert the connector on the custom
brake control harness into the vehicle
connector. Make sure the connectors are
fully inserted with locking tabs in place.