GM 12-Pin 280 Series Waterproof Connector – OEM 15326915 / 15326910 | Delphi / Aptiv
Direct OEM-specification replacement for the GM 12-pin 280 series waterproof connector. Cross-references OEM part numbers 15326915 and 15326910, manufactured to Delphi / Aptiv specifications. Used in ECM, BCM, and control module harnesses across Chevrolet, GMC, Buick, and Cadillac platforms. Available bare or with 15cm pre-wired leads.
OEM Part Number Cross-Reference
| OEM Number |
Application |
| 15326915 |
GM 12-pin 280 series — female (socket side) |
| 15326910 |
GM 12-pin 280 series — male (plug side) |
12-Pin 280 Series Circuit Groups
| Pin Group |
Typical Function |
Failure Symptom if Corroded |
| Pins 1–3 |
Module power (+12V) and grounds |
Module completely inactive |
| Pins 4–6 |
CAN bus (High/Low) and diagnostic signal |
U0073 CAN bus off, U0100 lost PCM communication |
| Pins 7–9 |
Sensor reference (+5V) and signal inputs |
Multiple sensor fault codes simultaneously |
| Pins 10–12 |
Actuator control outputs and feedback |
Actuators not responding, P-codes logged |
Key Specifications
| Attribute |
Detail |
| Pin Count |
12-Pin |
| Series |
GM 280 series (Delphi / Aptiv) |
| OEM Part Numbers |
15326915 / 15326910 |
| Housing Material |
Nylon (PA66), waterproof sealed |
| Wire Option |
Bare connector / 15cm pre-wired leads |
| Application |
ECM, BCM, and control module harness |
| Compatible Brands |
Chevrolet, GMC, Buick, Cadillac |
Compatible Applications
- Chevrolet Silverado / Tahoe / Equinox – ECM and BCM harness
- GMC Sierra / Yukon / Terrain – Control module connector
- Buick LaCrosse / Enclave – Module harness
- Cadillac Escalade / ATS / CTS – ECM harness connector
Frequently Asked Questions
Q: Are terminals included?
A: Yes, terminals are included with all variants.