The Cadillac ELR engine wiring harness is the 12V low-voltage loom that links the engine bay sensors, connectors, and control modules on the ELR plug-in hybrid. This is a used harness inspected for end-to-end continuity, connector pin condition, insulation flexibility, and loom integrity, with no melted insulation or rodent damage. It is the right fix for chafed, cut, or corroded engine wiring that throws faults.
The ELR uses the Voltec plug-in hybrid drivetrain, so it is worth being clear: this is the low-voltage 12V engine harness, not the high-voltage orange cabling. Any high-voltage service should be left to a qualified hybrid technician. Harness pinouts vary by build, so confirm your exact year and options, and we disclose the donor year and trim before the harness ships.
| Item | Details |
|---|---|
| Continuity | End-to-end, no open or shorted circuits. |
| Pins | Connector pins straight, seated, and clean. |
| Loom | Insulation flexible, loom intact, no melt or chew. |
| Item | Details |
|---|---|
| INCLUDED | The engine wiring harness as pictured for the build you confirm. |
| NOT INCLUDED | Modules, sensors, and the high-voltage cabling unless ordered. |
| Tools You Need | Standard hand tools, and a qualified hybrid technician for any high-voltage work near the harness. |
This Cadillac ELR engine wiring harness is offered for the following:
| Vehicle | Compatibility |
|---|---|
| 2014 to 2016 Cadillac ELR | Engine harness, by year and build |
| Voltec plug-in hybrid | Confirm year, trim, and VIN |
This harness is offered for the 2014 to 2016 Cadillac ELR plug-in hybrid. Because options change the pinout, confirm your exact year, trim, and VIN at order. We disclose the donor year and trim before shipping.
Not sure which harness your ELR needs? Call (240) 301-0095 with your year, trim, and VIN. Our team confirms the correct harness and discloses the donor build before your order ships.
Quality control for this wiring harness includes:
This is a used harness inspected the way wiring should be checked: continuity, pin condition, insulation flexibility, and loom integrity. It is the 12V engine harness on a plug-in hybrid, so high-voltage work stays with a qualified hybrid technician.
| Application | 2014 to 2016 Cadillac ELR |
|---|---|
| Vehicle Type | Plug-in hybrid (Voltec) |
| Part Type | Engine wiring harness |
| System | 12V low-voltage |
| Wire Gauge | 18 to 10 AWG |
| Connectors | Multi-pin for sensors and modules |
| Inspection | Continuity | pins | insulation | loom |
| Hv Note | Not the high-voltage cabling; use a hybrid tech |
| Fitment Note | Year | trim | and build specific |
| Donor Info | Year and trim disclosed before shipping |
| Install | Routed and plugged to engine-bay modules |
| Replace When | Chafed | cut | melted | or corroded wiring |
| Shipping | Free to all 50 states | fast transit | no core charge |
| Warranty | 15 day replacement warranty from delivery |
| Condition | Used | inspected before shipping |
| Sku | vaz461 |
Contact (240) 301-0095 within 15 days of delivery.