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Standard Ignition RY-129 HVAC Automatic Temperature Control (ATC) Relay
| Brand | Standard Ignition RY-129 |
|---|---|
| Amperage Rating | 30 A |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Functions | Relay |
| Mounting Bracket(s) Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Dodge, Chrysler, Mitsubishi, and Plymouth · 229 vehicles |
OE-quality relay. Built to stringent standards for dependable HVAC control.
Composite housing. Helps protect against harsh temperatures and underhood conditions.
Brass or copper contacts. Promote extended wear where specified.
Cross-references Davico Mfg 19261, FEL-PRO 36015 and 1R1054 for the same application. See all 11.
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Not what you need? See all HVAC Automatic Temperature Control (ATC) Relay options
HVAC Relay for Chrysler, Dodge, and Plymouth Applications
Standard Ignition RY-129 is an HVAC automatic temperature control relay built for 12-volt systems that need reliable relay switching in the climate control circuit. It is a direct-fit service part for many Chrysler, Dodge, Plymouth, and Mitsubishi applications, including Dodge Ram 1500, Ram 2500, Ram 3500, and Chrysler Town & Country models.
Key Features
- 30 amp amperage rating for HVAC relay operation
- 12-volt electrical specification
- Female rectangular connector with 1 connector cavity
- 4 male blade terminals
- Relay function for automatic temperature control circuits
- Composite housing built for harsh under-hood temperatures
- Brass or copper contacts used where specified for wear resistance
- Manufactured under TS16949 and ISO9001 certified processes
Detailed Description
The Standard Ignition RY-129 HVAC ATC relay is engineered for vehicles that rely on a stable relay signal to manage automatic temperature control functions. Standard Ignition builds this relay with durable composite housing materials to handle severe heat and demanding under-hood conditions, while specified brass or copper contacts support long-term electrical wear resistance. This part number, RY-129, is a practical replacement choice for Chrysler LeBaron, Dodge Caravan, Plymouth Voyager, and related platform vehicles where the original HVAC relay has failed.
This part cross-references FEL-PRO 36015 and Davico Mfg 19261 for the same application.
Common Problems This Relay Can Address
- HVAC blower or temperature control relay failure
- Intermittent climate control operation
- No response from automatic temperature control circuits
- Electrical switching issues caused by worn relay contacts
- Heat-related relay breakdown in the engine compartment
Installation Notes and Tips
Verify connector style, terminal count, and amperage rating before installation. RY-129 uses a female rectangular connector with 4 male blade terminals, so the replacement should match the vehicle’s original relay layout. Confirm the application by year, make, model, and any notes such as rear auxiliary unit, skirt, or bracket-specific configurations. Compatible vehicle examples include Fits 1994-1996 Dodge Ram 1500, N/A; Fits 1990-1994 Chrysler Town & Country, N/A; and Fits 1989-1994 Plymouth Voyager, N/A. Additional applications include Fits 1991-1993 Chrysler Dynasty, N/A and Fits 1992 Dodge Dakota, N/A.
Quality Assurance
Standard Ignition manufactures this relay under stringent quality requirements with complete process control from component selection through finished product. TS16949 and ISO9001 certified plants support consistent production standards for the RY-129 HVAC relay.
This part fits 229 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1997 | Dodge | Ram 1500 Van | — | — | — | N/A | — |
| 1997 | Dodge | Ram 2500 Van | — | — | — | N/A | — |
| 1997 | Dodge | Ram 3500 Van | — | — | — | N/A | — |
| 1996 | Dodge | B1500 | — | — | — | N/A | — |
| 1996 | Dodge | B2500 | — | — | — | N/A | — |
| 1996 | Dodge | B3500 | — | — | — | N/A | — |
| 1996 | Dodge | Ram 1500 | — | — | — | N/A | — |
| 1996 | Dodge | Ram 1500 Van | — | — | — | N/A | Rear Aux. Unit |
| 1996 | Dodge | Ram 1500 Van | — | — | — | N/A | — |
| 1996 | Dodge | Ram 2500 | — | — | — | N/A | — |
| 1996 | Dodge | Ram 2500 Van | — | — | — | N/A | Rear Aux. Unit |
| 1996 | Dodge | Ram 2500 Van | — | — | — | N/A | — |
| 1996 | Dodge | Ram 3500 | — | — | — | N/A | — |
| 1996 | Dodge | Ram 3500 Van | — | — | — | N/A | Rear Aux. Unit |
| 1996 | Dodge | Ram 3500 Van | — | — | — | N/A | — |
| 1995 | Dodge | B1500 | — | 5.2L | V8 | N/A | — |
| 1995 | Dodge | B1500 | — | 3.9L | V6 | N/A | — |
| 1995 | Dodge | B1500 | — | — | — | N/A | — |
| 1995 | Dodge | B2500 | — | 3.9L | V6 | N/A | — |
| 1995 | Dodge | B2500 | — | 5.9L | V8 | N/A | — |
| 1995 | Dodge | B2500 | — | 5.2L | V8 | N/A | — |
| 1995 | Dodge | B2500 | — | — | — | N/A | — |
| 1995 | Dodge | B3500 | — | 5.9L | V8 | N/A | — |
| 1995 | Dodge | B3500 | — | 5.2L | V8 | N/A | — |
| 1995 | Dodge | B3500 | — | — | — | N/A | — |
| 1995 | Dodge | Ram 1500 | — | — | — | N/A | — |
| 1995 | Dodge | Ram 1500 Van | — | — | — | N/A | Rear Aux. Unit |
| 1995 | Dodge | Ram 1500 Van | — | — | — | N/A | — |
| 1995 | Dodge | Ram 2500 | — | — | — | N/A | — |
| 1995 | Dodge | Ram 3500 | — | — | — | N/A | — |
| 1994 | Chrysler | Concorde | — | — | — | N/A | — |
| 1994 | Chrysler | Intrepid | — | — | — | N/A | — |
| 1994 | Chrysler | LeBaron | — | — | — | N/A | — |
| 1994 | Chrysler | LHS | — | — | — | N/A | — |
| 1994 | Chrysler | New Yorker | — | — | — | N/A | — |
| 1994 | Chrysler | Town & Country | — | — | — | N/A | — |
| 1994 | Dodge | B150 | — | — | — | N/A | — |
| 1994 | Dodge | B250 | — | — | — | N/A | — |
| 1994 | Dodge | B350 | — | — | — | N/A | — |
| 1994 | Dodge | Caravan | — | — | — | N/A | — |
| 1994 | Dodge | Grand Caravan | — | — | — | N/A | — |
| 1994 | Dodge | Ram 1500 | — | — | — | N/A | — |
| 1994 | Dodge | Ram 2500 | — | — | — | N/A | — |
| 1994 | Dodge | Ram 3500 | — | — | — | N/A | — |
| 1994 | Dodge | Shadow | — | — | — | N/A | — |
| 1994 | Mitsubishi | Eclipse | — | — | — | N/A | — |
| 1994 | Plymouth | Acclaim | — | — | — | N/A | — |
| 1994 | Plymouth | Grand Voyager | — | — | — | N/A | — |
| 1994 | Plymouth | Laser | — | — | — | N/A | — |
| 1994 | Plymouth | Sundance | — | — | — | N/A | — |
| 1994 | Plymouth | Voyager | — | — | — | N/A | — |
| 1993 | Chrysler | Concorde | — | — | — | N/A | — |
| 1993 | Chrysler | Daytona | — | — | — | N/A | — |
| 1993 | Chrysler | Dynasty | — | — | — | N/A | — |
| 1993 | Chrysler | Imperial | — | — | — | N/A | — |
| 1993 | Chrysler | Intrepid | — | — | — | N/A | — |
| 1993 | Chrysler | LeBaron | — | — | — | N/A | — |
| 1993 | Chrysler | New Yorker | — | — | — | N/A | — |
| 1993 | Chrysler | Town & Country | — | — | — | N/A | — |
| 1993 | Chrysler | Town & Country | — | — | — | N/A | w/ Skirt |
| 1993 | Dodge | B150 | — | 5.2L | V8 | N/A | — |
| 1993 | Dodge | B150 | — | 3.9L | V6 | N/A | — |
| 1993 | Dodge | B150 | — | — | — | N/A | Rear Aux. Unit |
| 1993 | Dodge | B250 | — | 5.9L | V8 | N/A | — |
| 1993 | Dodge | B250 | — | 3.9L | V6 | N/A | — |
| 1993 | Dodge | B250 | — | 5.2L | V8 | N/A | — |
| 1993 | Dodge | B250 | — | — | — | N/A | Rear Aux. Unit |
| 1993 | Dodge | B350 | — | 5.9L | V8 | N/A | — |
| 1993 | Dodge | B350 | — | 5.2L | V8 | N/A | — |
| 1993 | Dodge | B350 | — | — | — | N/A | Rear Aux. Unit |
| 1993 | Dodge | Caravan | — | — | — | N/A | — |
| 1993 | Dodge | Grand Caravan | — | — | — | N/A | — |
| 1993 | Dodge | Shadow | — | — | — | N/A | — |
| 1993 | Plymouth | Acclaim | — | — | — | N/A | — |
| 1993 | Plymouth | Grand Voyager | — | — | — | N/A | — |
| 1993 | Plymouth | Laser | — | — | — | N/A | — |
| 1993 | Plymouth | Sundance | — | — | — | N/A | — |
| 1993 | Plymouth | Voyager | — | — | — | N/A | — |
| 1992 | Chrysler | Daytona | — | — | — | N/A | w/o Bracket; w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1992 | Chrysler | Dynasty | — | — | — | N/A | — |
| 1992 | Chrysler | Imperial | — | — | — | N/A | — |
| 1992 | Chrysler | LeBaron | — | — | — | N/A | — |
| 1992 | Chrysler | New Yorker | — | — | — | N/A | — |
| 1992 | Chrysler | Town & Country | — | — | — | N/A | — |
| 1992 | Dodge | B150 | — | 3.9L | V6 | N/A | — |
| 1992 | Dodge | B150 | — | 5.2L | V8 | N/A | — |
| 1992 | Dodge | B250 | — | 3.9L | V6 | N/A | — |
| 1992 | Dodge | B250 | — | 5.9L | V8 | N/A | — |
| 1992 | Dodge | B250 | — | 5.2L | V8 | N/A | — |
| 1992 | Dodge | B350 | — | 5.2L | V8 | N/A | — |
| 1992 | Dodge | B350 | — | 5.9L | V8 | N/A | — |
| 1992 | Dodge | Caravan | — | — | — | N/A | — |
| 1992 | Dodge | Colt | — | — | — | N/A | w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1992 | Dodge | Dakota | — | — | — | N/A | OE No. 4373307; 5 Blade Term. |
| 1992 | Dodge | Daytona | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1992 | Dodge | Grand Caravan | — | — | — | N/A | — |
| 1992 | Dodge | Monaco | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1992 | Dodge | Shadow | — | — | — | N/A | — |
| 1992 | Dodge | Spirit | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1992 | Dodge | Spirit | — | — | — | N/A | — |
| 1992 | Dodge | Stealth | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1992 | Dodge | Viper | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1992 | Plymouth | Acclaim | — | — | — | N/A | — |
| 1992 | Plymouth | Grand Voyager | — | — | — | N/A | w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1992 | Plymouth | Grand Voyager | — | — | — | N/A | — |
| 1992 | Plymouth | Laser | — | — | — | N/A | OE No. 4373307 |
| 1992 | Plymouth | Sundance | — | — | — | N/A | w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1992 | Plymouth | Sundance | — | — | — | N/A | — |
| 1992 | Plymouth | Voyager | — | — | — | N/A | w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1992 | Plymouth | Voyager | — | — | — | N/A | — |
| 1991 | Chrysler | Daytona | — | — | — | N/A | w/o Bracket; w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1991 | Chrysler | Dynasty | — | — | — | N/A | — |
| 1991 | Chrysler | Imperial | — | — | — | N/A | — |
| 1991 | Chrysler | LeBaron | — | — | — | N/A | — |
| 1991 | Chrysler | LeBaron | — | — | — | N/A | w/ Skirt |
| 1991 | Chrysler | LeBaron | 4 Door | — | — | N/A | — |
| 1991 | Chrysler | New Yorker | — | — | — | N/A | — |
| 1991 | Chrysler | Town & Country | — | 3.3L | V6 | N/A | — |
| 1991 | Chrysler | Town & Country | — | — | — | N/A | — |
| 1991 | Chrysler | Town & Country | — | — | — | N/A | w/ Skirt |
| 1991 | Dodge | B150 | — | 3.9L | V6 | N/A | — |
| 1991 | Dodge | B150 | — | 5.2L | V8 | N/A | — |
| 1991 | Dodge | B150 | — | — | — | N/A | — |
| 1991 | Dodge | B250 | — | 3.9L | V6 | N/A | — |
| 1991 | Dodge | B250 | — | 5.9L | V8 | N/A | — |
| 1991 | Dodge | B250 | — | 5.2L | V8 | N/A | — |
| 1991 | Dodge | B250 | — | — | — | N/A | — |
| 1991 | Dodge | B350 | — | 5.9L | V8 | N/A | — |
| 1991 | Dodge | B350 | — | 5.2L | V8 | N/A | — |
| 1991 | Dodge | B350 | — | — | — | N/A | — |
| 1991 | Dodge | Caravan | — | 3.0L | V6 | N/A | — |
| 1991 | Dodge | Caravan | — | 2.5L | L4 | N/A | — |
| 1991 | Dodge | Caravan | — | 3.3L | V6 | N/A | — |
| 1991 | Dodge | Caravan | — | — | — | N/A | — |
| 1991 | Dodge | Colt | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1991 | Dodge | Dakota | — | — | — | N/A | w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1991 | Dodge | Daytona | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1991 | Dodge | Grand Caravan | — | 3.3L | V6 | N/A | — |
| 1991 | Dodge | Grand Caravan | — | — | — | N/A | — |
| 1991 | Dodge | Monaco | — | — | — | N/A | w/ Skirt; 5 Term. |
| 1991 | Dodge | Shadow | — | — | — | N/A | — |
| 1991 | Dodge | Spirit | — | 2.2L | L4 | N/A | — |
| 1991 | Dodge | Spirit | — | 2.5L | L4 | N/A | — |
| 1991 | Dodge | Spirit | — | 3.0L | V6 | N/A | — |
| 1991 | Dodge | Spirit | — | — | — | N/A | — |
| 1991 | Dodge | Stealth | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1991 | Plymouth | Acclaim | — | — | — | N/A | — |
| 1991 | Plymouth | Grand Voyager | — | 3.3L | V6 | N/A | — |
| 1991 | Plymouth | Grand Voyager | — | — | — | N/A | — |
| 1991 | Plymouth | Laser | — | — | — | N/A | w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1991 | Plymouth | Sundance | — | 2.2L | L4 | N/A | — |
| 1991 | Plymouth | Sundance | — | 2.5L | L4 | N/A | — |
| 1991 | Plymouth | Sundance | — | — | — | N/A | — |
| 1991 | Plymouth | Voyager | — | 2.5L | L4 | N/A | — |
| 1991 | Plymouth | Voyager | — | 3.3L | V6 | N/A | — |
| 1991 | Plymouth | Voyager | — | 3.0L | V6 | N/A | — |
| 1991 | Plymouth | Voyager | — | — | — | N/A | — |
| 1990 | Chrysler | Imperial | — | — | — | N/A | — |
| 1990 | Chrysler | LeBaron | — | — | — | N/A | — |
| 1990 | Chrysler | New Yorker | — | — | — | N/A | — |
| 1990 | Chrysler | Town & Country | — | — | — | N/A | — |
| 1990 | Chrysler | Town & Country | — | 3.3L | V6 | N/A | — |
| 1990 | Dodge | B150 | — | 3.9L | V6 | N/A | — |
| 1990 | Dodge | B150 | — | 5.2L | V8 | N/A | — |
| 1990 | Dodge | B150 | — | — | — | N/A | — |
| 1990 | Dodge | B250 | — | 3.9L | V6 | N/A | — |
| 1990 | Dodge | B250 | — | 5.2L | V8 | N/A | — |
| 1990 | Dodge | B250 | — | 5.9L | V8 | N/A | — |
| 1990 | Dodge | B250 | — | — | — | N/A | — |
| 1990 | Dodge | B350 | — | 5.2L | V8 | N/A | — |
| 1990 | Dodge | B350 | — | 5.9L | V8 | N/A | — |
| 1990 | Dodge | B350 | — | — | — | N/A | — |
| 1990 | Dodge | Caravan | — | — | — | N/A | — |
| 1990 | Dodge | Colt | — | — | — | N/A | OE No. 4373307; 5 Blade Term. |
| 1990 | Dodge | Dakota | — | — | — | N/A | w/ Skirt; OE No. 4373307; 5 Blade Term. |
| 1990 | Dodge | Daytona | — | — | — | N/A | w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1990 | Dodge | Grand Caravan | — | — | — | N/A | — |
| 1990 | Dodge | Monaco | — | — | — | N/A | w/ Skirt; w/ Bracket; OE No. 4373307; 5 Blade Term. |
| 1990 | Dodge | Shadow | — | — | — | N/A | — |
| 1990 | Dodge | Spirit | — | — | — | N/A | — |
| 1990 | Plymouth | Acclaim | — | — | — | N/A | w/o Skirt; 5 Blade Term. |
| 1990 | Plymouth | Acclaim | — | — | — | N/A | — |
| 1990 | Plymouth | Grand Voyager | — | 3.3L | V6 | N/A | — |
| 1990 | Plymouth | Grand Voyager | — | — | — | N/A | — |
| 1990 | Plymouth | Sundance | — | — | — | N/A | — |
| 1990 | Plymouth | Voyager | — | 2.5L | L4 | N/A | — |
| 1990 | Plymouth | Voyager | — | 3.0L | V6 | N/A | — |
| 1990 | Plymouth | Voyager | — | — | — | N/A | — |
| 1989 | Chrysler | LeBaron | — | — | — | N/A | — |
| 1989 | Chrysler | New Yorker | — | — | — | N/A | — |
| 1989 | Dodge | B150 | — | 5.2L | V8 | N/A | — |
| 1989 | Dodge | B150 | — | 3.9L | V6 | N/A | — |
| 1989 | Dodge | B150 | — | — | — | N/A | — |
| 1989 | Dodge | B250 | — | 3.9L | V6 | N/A | — |
| 1989 | Dodge | B250 | — | 5.9L | V8 | N/A | — |
| 1989 | Dodge | B250 | — | 5.2L | V8 | N/A | — |
| 1989 | Dodge | B250 | — | — | — | N/A | — |
| 1989 | Dodge | B350 | — | 5.2L | V8 | N/A | — |
| 1989 | Dodge | B350 | — | 5.9L | V8 | N/A | — |
| 1989 | Dodge | B350 | — | — | — | N/A | — |
| 1989 | Dodge | Caravan | — | — | — | N/A | — |
| 1989 | Dodge | Grand Caravan | — | — | — | N/A | — |
| 1989 | Dodge | Lancer | — | — | — | N/A | — |
| 1989 | Dodge | Shadow | — | 2.5L | L4 | N/A | — |
| 1989 | Dodge | Shadow | — | 2.2L | L4 | N/A | — |
| 1989 | Dodge | Spirit | — | — | — | N/A | — |
| 1989 | Dodge | Spirit | — | 2.5L | L4 | N/A | — |
| 1989 | Dodge | Spirit | — | 3.0L | V6 | N/A | — |
| 1989 | Plymouth | Acclaim | — | — | — | N/A | w/o Skirt; 5 Blade Term. |
| 1989 | Plymouth | Acclaim | — | — | — | N/A | — |
| 1989 | Plymouth | Expo | — | — | — | N/A | — |
| 1989 | Plymouth | Grand Voyager | — | — | — | N/A | — |
| 1989 | Plymouth | Reliant | — | — | — | N/A | — |
| 1989 | Plymouth | Sundance | — | — | — | N/A | — |
| 1989 | Plymouth | Voyager | — | — | — | N/A | — |
| 1988 | Dodge | B150 | — | 5.2L | V8 | N/A | — |
| 1988 | Dodge | B150 | — | 3.9L | V6 | N/A | — |
| 1988 | Dodge | B250 | — | 5.2L | V8 | N/A | — |
| 1988 | Dodge | B250 | — | 3.9L | V6 | N/A | — |
| 1988 | Dodge | B250 | — | 5.9L | V8 | N/A | — |
| 1988 | Dodge | B350 | — | 5.2L | V8 | N/A | — |
| 1988 | Dodge | B350 | — | 5.9L | V8 | N/A | — |
| 1988 | Dodge | Lancer | — | 2.5L | L4 | N/A | — |
| 1988 | Dodge | Lancer | — | 2.2L | L4 | N/A | — |
| 1988 | Dodge | Shadow | — | 2.2L | L4 | N/A | — |
| 1988 | Dodge | Shadow | — | 2.5L | L4 | N/A | — |
| 1987 | Dodge | Lancer | — | 2.2L | L4 | N/A | — |
| 1987 | Dodge | Lancer | — | 2.5L | L4 | N/A | — |
| 1987 | Dodge | Shadow | — | 2.2L | L4 | N/A | — |
| No rows match your filter. | |||||||
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 19261FEL-PRO — 360151R105415-5097556-154943733070332204181AR237AR698R3250RAA1336