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172497-1 / DJ7112-3-21 Automotive 11-Pin Light Yellow Female Connector — Car Audio Plug with Terminal
172497-1 / DJ7112-3-21 Automotive 11-Pin Light Yellow Female Connector Car Audio Plug with Terminal
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172497-1 / DJ7112-3-21 Automotive 11-Pin Light Yellow Female Connector — Car Audio Plug
The 172497-1 is an 11-pin light yellow female automotive connector from TE Connectivity, cross-referenced as DJ7112-3-21 in the DJ series naming convention. The distinctive light yellow housing provides visual identification in multi-connector instrument panel and audio system wiring harnesses. This connector is used for car audio head unit, amplifier, and body control module wiring harness connections across multiple vehicle platforms. The 11-pin configuration accommodates speaker outputs, power, ground, antenna, and control signal circuits for factory audio systems.
Color-coded automotive connectors are a deliberate OEM design choice — the light yellow housing ensures technicians can quickly identify the audio circuit connector in a dense instrument panel harness without consulting a wiring diagram for every connection. This reduces assembly errors on the production line and speeds up service repairs.
Key Specifications
| Parameter | Value |
|---|---|
| Part Numbers | 172497-1 / DJ7112-3-21 |
| Manufacturer | TE Connectivity |
| Pin Count | 11-pin |
| Housing Color | Light yellow |
| Gender | Female socket (“-21” suffix) |
| Application | Car audio / BCM signal circuits |
| Sealing | Unsealed |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Wire Range | 0.35–0.85mm² (22–18 AWG) |
| Operating Temperature | -40°C to +85°C |
| Compliance | RoHS |
Automotive Color Coding — Why Yellow Means Audio
- Yellow = audio/entertainment circuits — the automotive industry uses color-coded connector housings to identify circuit function; yellow/light yellow is commonly assigned to audio, entertainment, and infotainment circuits across multiple OEM standards
- Prevents mis-mating — color coding prevents connecting the wrong harness connector during assembly or repair; an 11-pin yellow connector cannot be accidentally mated with a 11-pin black BCM connector even if the pin count matches
- TE Connectivity / DJ cross-reference — the 172497-1 (TE) and DJ7112-3-21 (DJ series) designations refer to the same connector; both part numbers are used in different OEM parts catalogs
Typical Applications
- Factory car audio head unit connector repair
- Aftermarket head unit installation wiring adapter
- Amplifier wiring harness connector replacement
- BCM audio output circuit connector repair
- Instrument panel wiring harness repair
Frequently Asked Questions
Q: What is the mating male connector for 172497-1 / DJ7112-3-21?
The mating male connector is the 172498-1 (TE Connectivity) or DJ7112-3-11 (DJ series) — the “-11” suffix indicates the male plug variant. In a connector pair, the female socket (172497-1) is typically on the wiring harness side and the male plug is on the component (head unit, amplifier) side. Verify the gender of your original connector before ordering.
Q: Can I use this connector for an aftermarket head unit installation?
Yes — if your vehicle uses the 172497-1/DJ7112-3-21 as the factory audio connector, you can use this connector to build a custom wiring adapter for an aftermarket head unit. Wire the individual pins (speaker L/R front/rear, power, ground, ignition, illumination, antenna) to your aftermarket head unit’s ISO connector or direct wiring harness. Consult a vehicle-specific wiring diagram for the pin assignment of your specific model.
Q: Why would an audio connector cause no sound or distorted audio?
Corroded or loose audio connector terminals cause increased contact resistance in the speaker output circuits, resulting in reduced volume, distortion, or complete loss of audio on affected channels. This is often misdiagnosed as a faulty head unit or speakers. Inspect the audio connector terminals for corrosion (green/white deposits) and check for loose terminal fit by gently wiggling individual wires — a terminal with insufficient retention force will move noticeably.
