Manufacturer: Curt Manufacturing
Part Number: 55311

Need trailer wiring? These plug-and-go wiring harnesses are the way to go. They're specifically designed for your vehicle and do not require splicing into your vehicle's wiring. The harness is designed with the wiring, connectors, and circuitry needed to adapt your vehicle's electrical system for trailer compatibility. All wiring harnesses include detailed installation instructions.

This wiring harness is designed to fit the following vehicles:

1975-1984 Chevrolet C10
--Fits Model(s): Except 10"
-- Step Bumper
1973-1974 Chevrolet Blazer
--Fits Model(s): All
1975-1984 Chevrolet K5 Blazer
--Fits Model(s): All
1973-1984 Chevrolet C10 Suburban
--Fits Model(s): All
1973-1984 Chevrolet C20 Suburban
--Fits Model(s): All
1973-1984 Chevrolet K10 Suburban
--Fits Model(s): All
1973-1984 Chevrolet K20 Suburban
--Fits Model(s): All
1973-1974 Chevrolet C20 Pickup
--Fits Model(s): Except 10"
-- Step Bumper
1973-1974 Chevrolet C30 Pickup
--Fits Model(s): Except 10"
-- Step Bumper
1973-1974 Chevrolet K20 Pickup
--Fits Model(s): Except 10"
-- Step Bumper
1973-1974 Chevrolet K30 Pickup
--Fits Model(s): Except 10"
-- Step Bumper
1975-1984 Chevrolet C20
--Fits Model(s): Except 10"
-- Step Bumper
1975-1984 Chevrolet C30
--Fits Model(s): Except 10"
-- Step Bumper
1977-1984 Chevrolet K10
--Fits Model(s): Except 10"
-- Step Bumper
1975-1984 Chevrolet K20
--Fits Model(s): Except 10"
-- Step Bumper
1977-1984 Chevrolet K30
--Fits Model(s): Except 10"
-- Step Bumper
1973-1974 GMC C15/C1500 Pickup
--Fits Model(s): Except 10"
-- Step Bumper
1975-1978 GMC C15
--Fits Model(s): Except 10"
-- Step Bumper
1979-1984 GMC C1500
--Fits Model(s): Except 10"
-- Step Bumper
1973-1974 GMC C15/C1500 Suburban
--Fits Model(s): All
1975-1978 GMC C15 Suburban
--Fits Model(s): All
1979-1984 GMC C1500 Suburban
--Fits Model(s): All
1973-1974 GMC C25/C2500 Suburban
--Fits Model(s): All
1973-1974 GMC K15/K1500 Suburban
--Fits Model(s): All
1973-1974 GMC K25/K2500 Suburban
--Fits Model(s): All
1975-1978 GMC C25 Suburban
--Fits Model(s): All
1975-1978 GMC K15 Suburban
--Fits Model(s): All
1975-1978 GMC K25 Suburban
--Fits Model(s): All
1979-1984 GMC C2500 Suburban
--Fits Model(s): All
1979-1984 GMC K1500 Suburban
--Fits Model(s): All
1979-1984 GMC K2500 Suburban
--Fits Model(s): All
1973-1974 GMC C25/C2500 Pickup
--Fits Model(s): Except 10"
-- Step Bumper
1973-1974 GMC C35/C3500 Pickup
--Fits Model(s): Except 10"
-- Step Bumper
1975-1978 GMC K15
--Fits Model(s): Except 10"
-- Step Bumper
1975-1978 GMC C25
--Fits Model(s): Except 10"
-- Step Bumper
1975-1978 GMC K25
--Fits Model(s): Except 10"
-- Step Bumper
1975-1978 GMC C35
--Fits Model(s): Except 10"
-- Step Bumper
1977-1978 GMC K35
--Fits Model(s): Except 10"
-- Step Bumper
1979-1984 GMC K1500
--Fits Model(s): Except 10"
-- Step Bumper
1979-1984 GMC C2500
--Fits Model(s): Except 10"
-- Step Bumper
1979-1984 GMC K2500
--Fits Model(s): Except 10"
-- Step Bumper
1979-1984 GMC C3500
--Fits Model(s): Except 10"
-- Step Bumper
1979-1984 GMC K3500
--Fits Model(s): Except 10"
-- Step Bumper

Installation Instructions



Note: Because we do not have unique pictures of every wiring harness we carry, this wiring harness may vary slighty from the picture above.

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Manufacturer: Curt Manufacturing