Get reliable switching back into your accessory, heater, and blower circuits with the Standard Ignition Accessory Power Relay / Auxiliary Heater Relay / HVAC Blower Motor Relay (RY-129). It drops in as a direct-fit replacement across a wide range of 1987-1997 Chrysler, Dodge, Plymouth, and Mitsubishi models — including the 1987-1994 Dodge Shadow, 1987-1989 Dodge Lancer, 1989-1994 Chrysler LeBaron, 1990-1994 Chrysler Town & Country, and 1994 Mitsubishi Eclipse [All engines]. With 157 applications on the list, see the Buyer's Guide tab for the complete fitment.
A relay that has failed may show up as intermittent, delayed, or no operation of the circuit it controls. If a faulty relay is the cause of an inoperative blower, heater, or accessory circuit, this unit replaces it — diagnose the circuit first to confirm the relay is at fault.
Interchange: Manufacturer part number RY-129.
What does the RY-129 relay do?
It is an electrically operated switch that uses a low-current control signal to open and close a separate, higher-current circuit for accessory, auxiliary heater, or HVAC blower applications.
Why is this part listed under three names?
It is cataloged as an Accessory Power Relay, an Auxiliary Heater Relay, and an HVAC Blower Motor Relay, so you may see it listed under any of those three titles.
Will the RY-129 fit my vehicle?
It is a direct-fit replacement for 157 applications across various 1987-1997 Chrysler, Dodge, Plymouth, and Mitsubishi models. Check the Buyer's Guide tab to confirm your exact year, make, and model.
What are signs this relay may need replacing?
Intermittent, delayed, or no operation of the circuit it controls. Diagnose the circuit first, since the same symptoms can come from wiring, fuses, or the component the relay powers.
How many relays do I need?
The listed applications use one relay, as shown in the Buyer's Guide. This listing is for a single relay.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
