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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2025TRAILBLAZER RS, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (S79P-X92)COMPONENT CONNECTOR END VIEWST8C IGNITION COIL 3 (L3T)
2025 Chevrolet Trailblazer RS, 4WD
T8C Ignition Coil 3 (L3T)
2025 Chevrolet Trailblazer RS, 4WDSECTION T8C Ignition Coil 3 (L3T)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | Not required | J-35616-12 (BU) | No Tool Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.75 | BK | 450 | Ground | I | L3T |
| 2 | 0.75 | BK / BU | 2129 | Ignition Control Low Reference Bank 1 | I | L3T |
| 3 | 0.75 | GN / BU | 2123 | Ignition Control 3 | I | L3T |
| 4 | 0.75 | VT / BU | 5291 | Powertrain Main Relay Fused Supply Voltage 2 | I | L3T |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.