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Standard Ignition RU-743 HVAC Blower Motor Resistor
HVAC Blower Motor Resistor for Mazda CX-7
Restore proper blower fan control with Standard Ignition RU-743, an HVAC blower motor resistor built for 12-volt systems with 3-5 speed operation. This replacement uses a rectangular female connector, 3 blade terminals, and a screw attachment method for a direct-fit service on select Mazda CX-7 applications.
Key Features
- Standard Ignition RU-743 HVAC blower motor resistor
- Fits 2008 Mazda CX-7 with automatic temperature control from 5/1/08
- Fits 2009-2012 Mazda CX-7 with automatic temperature control required for proper installation
- 12-volt electrical design for blower speed control
- 3-5 speed resistor configuration
- Black and gray metal/plastic housing
- Female rectangular connector with 1 cavity
- 3 male blade terminals
- Screw-mounted attachment method
Detailed Description
Standard Ignition RU-743 is an HVAC blower motor resistor used to regulate cabin fan speeds in select Mazda CX-7 models. It is built with a metal and plastic housing, a female rectangular connector, and three blade-style terminals to match the original electrical layout. For proper installation, the vehicle must have automatic temperature control, and the 2008 Mazda CX-7 application applies from 5/1/08.
This part cross-references BR643 and RU1432 for the same application. If you are searching for a Mazda CX-7 blower motor resistor, RU-743 provides the fitment and connector style needed for the listed automatic climate control vehicles.
What It Helps Fix
- Blower fan stuck on one speed
- Loss of one or more cabin fan speeds
- Intermittent HVAC blower operation
- Weak or inconsistent air delivery from the vents
- Resistor failure related to automatic temperature control systems
Installation Notes and Tips
Install RU-743 with the screw attachment method and verify the connector, terminal count, and housing style before replacement. This part is for vehicles with automatic temperature control only, so confirm the HVAC system configuration on the Mazda CX-7 before ordering. Match the original connector shape and terminal layout to ensure proper electrical connection.
Quality Assurance
Standard Ignition supplies replacement electrical components for service applications, and RU-743 is built to meet the fitment and connection requirements listed for the specified Mazda CX-7 models.
| Brand | Standard Ignition |
|---|---|
| Part Number | RU-743 |
| Attachment Method | Screw |
| Bulb Included | No |
| Color/Finish | Black , gray |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Hardware Included | No |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Housing Material | Metal, plastic |
| Mounting Bracket(s) Included | No |
| Number Of Connector Cavities | 1 |
| Number Of Speeds | 3-5 speed |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Blade |
| Voltage | 12 |
| Wiring Harness Included | No |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Mazda | CX-7 | N/A | Automatic temperature control is needed for proper installation. |
| 2011 | Mazda | CX-7 | N/A | Automatic temperature control is needed for proper installation. |
| 2010 | Mazda | CX-7 | N/A | Automatic temperature control is needed for proper installation. |
| 2009 | Mazda | CX-7 | N/A | Automatic temperature control is needed for proper installation. |
| 2008 | Mazda | CX-7 | N/A | w/ Auto. Temp Control; From 5/1/08 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.