Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Radio C1
Connector Part Information
OEM: 7283-4490-30
Service: 88988743
Description: 14-Way F (BK)
Terminal Part Information
Pins: 1, 8
Terminal/Tray: 12191812/19
Core/Insulation Crimp: C/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)
Pins: 2, 3, 9, 10, 4, 5, 6, 6, 7, 13
Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: Pins 2, 3, 9, 10 - See Suzuki Terminal Repair Kit
Core/Insulation Crimp: Pins 4, 5, 6, 6, 7, 13 - P/P
Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | RD/WH | 2040 | Battery Positive Voltage |
| 2 | TN | 201 | Left Front Speaker Output (+) |
| 3 | TN | 1875 | Right Front Speaker Output (+) |
| 4 | GY | 655 | Cellular Microphone Signal (U3U) |
| 5 | BARE | 1489 | Drain Wire (U3U) |
| 6 | WH | 1487 | Antenna Enable Signal |
| 7 | PU/WH | 1382 | LED Dimming Signal |
| 8 | BK/WH | 1551 | Ground |
| 9 | GY | 118 | Left Front Speaker Output (-) |
| 10 | TN/WH | 1985 | 5-Volt Reference |
| 11-12 | - | - | Not Used |
| 13 | D-GN | 5060 | Low Speed GMLAN Serial Data |
| 14 | - | - | Not Used |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.