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.
2015 Buick Enclave ConvenienceFACTORY OEM SERVICE PROCEDURE
K78 Head-Up Display Module
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Available | J-35616-16 (LT GN) | Not Available | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | D-GN | 5060 | Low Speed GMLAN Serial Data | I | UV6 |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.35 | BN | 622 | Head Up Display Switch Signal | I | UV6 |
| 4 | 0.35 | BK/WH | 1551 | Signal Ground | I | UV6 |
| 5 | 0.35 | L-BU/BK | 5812 | Head Up Display Dimming Signal | I | UV6 |
| 6 | 0.5 | RD/WH | 4540 | Battery Positive Voltage | I | UV6 |
| 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.35 | L-GN/BK | 5699 | Head Up Display Switch Low Reference | I | UV6 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.