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.
2018 Buick Regal BaseFACTORY OEM SERVICE PROCEDURE
A98 Front Overhead Console Assembly (IOB/IO5/IO6)
WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575742 | J-35616-64B (LT BU) | J-38125-215A | SAIT-A03T-M064 | Yazaki 14 | P | P |
| II | 13575867 | J-35616-64B (LT BU) | J-38125-215A | SAIT-A03T-M064 | Yazaki 14 | P | P |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | RD/GN | 2440 | Secondary Fused Battery Positive Voltage 24 | II | - |
| 2 | 0.35 | WH/YE | 7557 | Interior Door Handle Accent Lighting Control | II | - |
| 3 | 0.35 | GY | 156 | Courtesy Lamp Switch Signal | II | - |
| 4 | 0.5 0.5 |
BK/BU BK/GY |
5307 128 |
Front Sunshade Switch Low Reference Sunroof Switch Low Reference |
I I |
C3U CF5 |
| 5 | 0.5 | BK | 2550 | Ground 25 | I | - |
| 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.5 | WH/BN | 6815 | Inadvertent Load Control | I | - |
| 8 | 0.35 | GY | 157 | Dome/Reading Lamp Control | II | - |
| 9 | 0.5 0.5 |
VT BU/VT |
5027 5027 |
Sunroof Switch Serial Data 1 Signal Sunroof Switch Serial Data 1 Signal |
I I |
C3U CF5 |
| 10 | 0.5 0.5 |
BU/GY WH/GN |
3032 3031 |
Front Sunshade Switch Signal Sunroof Vent Switch Signal |
I I |
C3U CF5 |
| 11 | 0.35 | GN | 2308 | Passenger Air Bag Off Indicator Control | II | - |
| 12 | 0.35 | BU | 2307 | Passenger Air Bag On Indicator Control | II | - |
| 13 | 0.35 | VT | 5234 | Passenger Seat Belt Indicator Control | II | - |
| 14 | 0.35 | BN | 2517 | Keypad Red LED Control | II | - |
| 15 | 0.35 | YE | 2516 | Keypad Green LED Control | II | - |
| 16 | 0.35 | GN | 2515 | Keypad Control | II | - |
| 17 | 0.35 | GY | 2514 | Keypad Signal | II | - |
| 18 | 0.35 | WH | 6816 | Indicator Dimming Control | II | - |
| 19 | 0.35 | BU | 4672 | Dome Lamp Off Indicator Control | II | - |
| 20 | 0.5 0.5 |
BK BK/GY |
128 128 |
Sunroof Switch Low Reference Sunroof Switch Low Reference |
I I |
C3U CF5 |
| 21 | 0.35 | GN | 328 | Dome/Reading Lamp Disable Switch Signal | II | - |
| 22 | 0.35 | YE | 6817 | LED Backlight Dimming Control 1 | II | - |
Factory Service Tools
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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.
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