Standard Ignition HR-127 Horn Relay

Horn Relay for Ford and Lincoln Applications

The Standard Ignition HR-127 horn relay is a 12-volt electrical relay built for Ford, Lincoln, and Mercury vehicles that need dependable horn circuit control. It features a rectangular connector, 3 male blade terminals, and a mounting bracket for straightforward replacement in the correct application.

Standard Ignition HR-127 is built with a composite housing to help protect the relay from heat and harsh underhood conditions. Brass or copper contacts are used where specified for wear resistance, and the part is manufactured under TS16949 and ISO9001 certified processes for consistent fit and function.

Key Features

• Horn relay for 12-volt vehicle electrical systems
• 30 amp amperage rating
• Rectangular connector shape
• 3 male blade terminals
• Mounting bracket included
• Composite housing for underhood durability
• Brass or copper contacts where specified for extended wear
• Standard Ignition HR-127 replacement part

Fitment Details

• Fits 1985-1996 Ford Bronco, N/A
• Fits 1973-1979 Ford Bronco, N/A
• Fits 1995-1996 Ford E-150 Econoline, N/A
• Fits 1975-1986 Ford E-150 Econoline, N/A
• Fits 1995-1996 Ford E-150 Econoline Club Wagon, N/A
• Fits 1975-1986 Ford E-150 Econoline Club Wagon, N/A
• Fits 1995-1996 Ford E-250 Econoline, N/A
• Fits 1975-1986 Ford E-250 Econoline, N/A
• Fits 1995-1996 Ford E-350 Econoline, N/A
• Fits 1975-1986 Ford E-350 Econoline, N/A
• Fits 1995-1996 Ford E-350 Econoline Club Wagon, N/A
• Fits 1977-1986 Ford E-350 Econoline Club Wagon, N/A
• Fits 1990-1995 Ford F-150, N/A
• Fits 1990-1995 Ford F-250, N/A
• Fits 1990-1995 Ford F-350, N/A
• Fits 1975-1986 Ford E-250 Econoline Club Wagon, N/A
• Fits 1975-1986 Ford F-150, N/A
• Fits 1973-1986 Ford F-250, N/A
• Fits 1973-1986 Ford F-350, N/A
• Fits 1973-1983 Ford E-100 Econoline, N/A
• Fits 1975-1983 Ford E-100 Econoline Club Wagon, N/A
• Fits 1973-1983 Ford F-100, N/A
• Fits 1973-1977 Ford Courier, N/A
• Fits 1966-1972 Ford Bronco, N/A
• Fits 1972 Ford Courier, N/A
• Fits 1969-1972 Ford E-100 Econoline, N/A
• Fits 1962-1972 Ford F-100, N/A
• Fits 1958-1972 Ford F-250, N/A
• Fits 1958-1972 Ford F-350, N/A
• Fits 1967-1972 Ford LTD, N/A
• Fits 1967-1972 Ford Thunderbird, N/A
• Fits 1964 Ford Thunderbird, N/A
• Fits 1972 Lincoln Continental, N/A
• Fits 1964-1965 Lincoln Continental, N/A
• Fits 1971-1972 Mercury Capri, N/A
• Fits 1969-1972 Mercury Cougar, N/A
• Fits 1969-1972 Mercury Marquis, N/A
• Fits 1969-1972 Mercury Montego, N/A
• Fits 1969-1970 Mercury Marauder, N/A
• Fits 1967-1969 Ford Mustang, N/A
• Fits 1964-1965 Ford Mustang, N/A
• Fits 1961-1967 Ford Econoline, N/A

What It Helps Resolve

• Horn inoperative due to relay failure
• Intermittent horn operation from worn relay contacts
• Electrical switching issues in the horn circuit
• Heat-related relay breakdown under the hood
• Replacement needs for Ford horn relay service on classic and late-model trucks and vans

Installation Notes

Verify the connector shape, terminal count, terminal type, and 12-volt system requirements before installation. The HR-127 uses a rectangular connector with 3 male blade terminals and a mounting bracket, so the replacement should match the original relay layout in the vehicle.

For Ford Bronco, Ford F-Series, Ford Econoline, and related Lincoln and Mercury applications, confirm the horn circuit diagnosis before replacing the relay. This part cross-references Carlson 16128 for the same application.

Quality Assurance

Standard Ignition manufactures this relay under controlled quality processes with TS16949 and ISO9001 certified plants. The composite housing and specified contact materials are selected to support consistent electrical performance in demanding underhood environments.