Yes, the CURT Quick Plug Electric Trailer Brake Controller Wiring Harness will work on a 2012 Chevrolet Avalanche as long as the vehicle is equipped with the factory under-dash trailer brake controller connector.
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CURT Quick Plug Electric Trailer Brake Controller Wiring Harness, Fits Select Chevrolet Silverado, Suburban, Tahoe, GMC Sierra, Yukon, Escalade

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- Allows a CURT trailer brake controller to be plugged into OEM socket|Quick plug harness installs with plug-and-play convenience|Wire colors match standard brake controller harnesses|Includes 24" of 12 gauge wire for flexible installation|Slit-loom sleeve keeps wires contained and protected
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Description
Key Specs
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Q & A
Warranty
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Product Summary
What's Included
- (1) Brake Controller Harness
Features + Benefits
- Allows a CURT trailer brake controller to be plugged into OEM socket|Quick plug harness installs with plug-and-play convenience|Wire colors match standard brake controller harnesses|Includes 24" of 12 gauge wire for flexible installation|Slit-loom sleeve keeps wires contained and protected
Key Specs
| Attribute | Specification |
|---|---|
item# | 6668749 |
Brand | Curt Manufacturing |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 0.2 LB |
Connection Location | Vehicle Side |
Plug Type | Square |
Pin Type | Flat |
| Attribute | Specification |
|---|---|
Pins (qty.) | 4 |
Length | 24 in |
Product Type | Harness |
Compatible With | CURT 51116, 51126 & 51146 brake controllers |
Product Weight | 1.0000 lb |
Dimensions L x W x H (in.) | 6.625 x 2.44 x 3.13 in |
Reviews
Questions & Answers
Questions
-
· a month ago
Will it work on a 2012 chevy avalanche?
1 answer-
ProductExpert10· a month ago
Helpful?
-
Warranty
Manufacturer's Warranty
1 year limited warranty
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Specifications
Vehicle Side
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Square
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Flat
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4
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24 in
84 in
168 in
96 in
Harness
Connector Cable
Connector Cable
Connector Cable
CURT 51116, 51126 & 51146 brake controllers
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1.0000 lb
2.2000 lb
3.5000 lb
2.2950 lb
6.625 x 2.44 x 3.13 in
17.25 x 17.0 x 1.25 in
17.25 x 17.0 x 1.25 in
17.25 x 17.0 x 1.5 in
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