GM / Ford 10-Pin Seat Heater & HVAC Connector – OEM 15326931 / 15326935
Direct OEM-specification replacement for the GM and Ford 10-pin connector used in seat heater modules and HVAC (heating, ventilation, and air conditioning) control harnesses. Cross-references OEM part numbers 15326931 and 15326935. Available bare or with 15cm pre-wired leads.
| OEM Number | Application |
|---|---|
| 15326931 | GM seat heater / HVAC connector — primary |
| 15326935 | GM / Ford connector — alternate variant |
| Pin Group | Function | Failure Symptom if Corroded |
|---|---|---|
| Pins 1–2 | Seat heater element power and ground | Seat heater not warming |
| Pins 3–4 | Seat heater temperature sensor signal and reference | Seat heater overheating or not activating |
| Pins 5–6 | HVAC blower motor control signal and ground | Blower not responding to speed control |
| Pins 7–8 | HVAC temperature control signal and reference | Temperature control not responding |
| Pins 9–10 | CAN bus or additional control signals | HVAC module communication fault |
| Attribute | Detail |
|---|---|
| Pin Count | 10-Pin |
| OEM Part Numbers | 15326931 / 15326935 |
| Housing Material | Nylon (PA66) |
| Wire Option | Bare connector / 15cm pre-wired leads |
| Application | Seat heater module harness, HVAC control harness |
| Compatible Brands | Chevrolet, GMC, Ford |
Q: My seat heater stopped working on one side — is it the connector?
A: Single-side seat heater failure on GM and Ford trucks is frequently caused by a corroded 10-pin connector at the seat heater module rather than a failed heating element. Inspect the connector before replacing the seat heater element or module.
Q: Are terminals included?
A: Yes, terminals are included with all variants.
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10 Pin Connectors
