Easy — 1–2 hours
Description
This connector is built to provide power for essential trailer functions including tail lights, turn signals, electric trailer brakes, a 12-volt battery, reverse lights, and brake lights, along with a ground connection. It utilizes color-coded wires for straightforward installation into a trailer's existing wiring. The A7WCB is specifically designed as a male-end plug for the trailer side of the connection.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Optronics |
| Part Number | O00C A7WCB |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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