Standard Ignition HR-135 Horn Relay

Horn Relay for Chrysler and Dodge Applications

Standard Ignition HR-135 is a 12-volt horn relay built for select Chrysler and Dodge vehicles from the 1960s and 1970s. It uses a rectangular connector, 3 blade terminals, and includes a mounting bracket for direct replacement service.

Key Features

• 12-volt horn relay for electrical system service
• 20 amp amperage rating
• Rectangular connector shape with 3 male blade terminals
• Mounting bracket included
• Non-continuous duty relay construction
• Composite housing for protection in underhood conditions
• Brass or copper contacts where specified for wear resistance

Product Details

The Standard Ignition HR-135 horn relay is engineered for vehicles that need a reliable relay in the horn circuit. It is built with a composite housing to help withstand heat and harsh underhood exposure, while specified brass or copper contacts support long service life. Standard Ignition manufactures this part under controlled quality processes, with TS16949 and ISO9001 certified plants supporting consistent fit and finish. This part cross-references Carlson 16117 for the same application. Common search terms include Chrysler 300 horn relay replacement, Dodge Dart horn relay with bracket, and 1960s Dodge Charger horn relay service. The HR-135 is also referenced by part number HR-135 for catalog and interchange lookup.

What It Helps Fix

• No horn operation when the relay has failed
• Intermittent horn function caused by worn relay contacts
• Electrical switching issues in the horn circuit
• Heat-related relay damage in the engine compartment
• Fitment problems when replacing a relay with the wrong terminal style

Installation Notes and Tips

• Verify the connector shape, terminal count, and bracket style before installation.
• Confirm 12-volt system voltage and 20 amp circuit requirements.
• Inspect the horn switch, wiring, and fuse condition if the horn still does not operate after replacement.
• Fits 1970 Dodge Dart, N/A; 1966-1969 Dodge Charger, N/A; 1962-1969 Dodge Dart, N/A; 1965-1969 Dodge Monaco, N/A; 1963-1968 Chrysler 300, N/A; 1963-1968 Chrysler Imperial, N/A; 1963-1968 Chrysler New Yorker, N/A; 1963-1968 Chrysler Newport, N/A; 1963-1968 Chrysler Town & Country, N/A; 1962 Dodge Lancer, N/A.

Quality Assurance

Standard Ignition backs this horn relay with manufacturing controls focused on OE-style consistency, including certified production systems and component-level quality oversight. The HR-135 is built to meet stringent quality requirements for dependable electrical service.