Curt Manufacturing 51451 User manual

Gas
Brake
E-brake
BH1BH3
INSTALLATION INSTRUCTIONS
BRAKE CONTROL HARNESS
51451 & 51452 APPLICATIONS
Scan for helpful
installation tips
NOTICE
All steps must be followed to ensure the CURT brake control
harness will function properly. Once installed, test for proper
function by following the brake control unit instruction manual.
Make Model
Cadillac Escalade
Chevrolet Silverado
Chevrolet Suburban
Chevrolet Tahoe
GMC Sierra
GMC Yukon
BH1 - Under dash, left of steering column, near emergency brake pedal
BH3- Under dash, in junction box left of steering column
Representative vehicle shown below
LOCATION GUIDE
PAGE 1 • RA • NEED ASSISTANCE? • 1.800.798.0813 • CURTMFG.COM

C
D
A B
INSTALLATION /
SAFETY INSTRUCTIONS
Step 1
Locate the black electrical junction box under the dash, to the
left of the steering column. Remove the box cover and locate
the empty vehicle connection point (A,B).
Step 2
Insert the connector on the CURT brake control harness into
the vehicle connection point. Make sure the connector is fully
inserted with locking tabs in place (C).
Step 3
Insert the brake control harness's black connector into the brake
control's quick plug connector (D). Secure the brake control
harness with the provided cable ties, avoiding any pinch points.
Step 4
Complete the installation using the brake control instructions.
Mount the unit as directed and perform test procedures as
instructed in the brake control user manual.
CURTMFG.COM • NEED ASSISTANCE? • 1.800.798.0813 • RA • PAGE 2