GM / Buick 4-Pin Metri-Pack 280 Blower Motor Resistor Connector – OEM 12129600 / 15306069
Direct OEM-specification replacement for the GM 4-pin Metri-Pack 280 series connector used on blower motor resistor harnesses. Cross-references OEM part numbers 12129600, 12129565, and 15306069. Used in HVAC blower motor resistor harnesses across Buick and Chevrolet platforms. Available bare or with 15cm pre-wired leads.
| OEM Number | Application |
|---|---|
| 12129600 | GM Metri-Pack 280 blower resistor connector — variant A |
| 12129565 | GM Metri-Pack 280 blower resistor connector — variant B |
| 15306069 | GM Metri-Pack 280 blower resistor connector — variant C |
| Pin | Function | Failure Symptom if Corroded |
|---|---|---|
| 1 | +12V power to blower motor (high speed) | Blower only works on high speed |
| 2 | Resistor tap 1 (medium-high speed) | Medium-high speed not working |
| 3 | Resistor tap 2 (medium-low speed) | Medium-low speed not working |
| 4 | Resistor tap 3 (low speed) | Low speed not working |
| Attribute | Detail |
|---|---|
| Pin Count | 4-Pin |
| Series | Delphi / Aptiv Metri-Pack 280 |
| OEM Part Numbers | 12129600 / 12129565 / 15306069 |
| Housing Material | Nylon (PA66) |
| Wire Option | Bare connector / 15cm pre-wired leads |
| Application | Blower motor resistor harness |
| Compatible Brands | Buick, Chevrolet, GMC |
Q: My blower only works on high speed — is it the connector or the resistor?
A: Blower working only on high speed is the classic symptom of a failed blower motor resistor. However, a corroded 4-pin connector at the resistor can cause the same symptom by increasing contact resistance on the lower-speed taps. Inspect the connector before replacing the resistor.
Q: Are terminals included?
A: Yes, terminals are included with all variants.
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